/*
THIS IS A GENERATED/BUNDLED FILE BY ROLLUP
if you want to view the source visit the plugins github repository
*/

'use strict';

var obsidian = require('obsidian');

/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */

function __awaiter(thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
}

class ExportModal extends obsidian.Modal {
    constructor(app, plugin, section, config) {
        super(app);
        this.plugin = plugin;
        this.config = config;
        this.section = section;
    }
    onOpen() {
        const { contentEl, modalEl } = this;
        modalEl.addClass('modal-style-settings');
        new obsidian.Setting(contentEl)
            .setName(`Export settings for: ${this.section}`)
            .then((setting) => {
            const output = JSON.stringify(this.config, null, 2);
            // Build a copy to clipboard link
            setting.controlEl.createEl('a', {
                cls: 'style-settings-copy',
                text: 'Copy to clipboard',
                href: '#',
            }, (copyButton) => {
                new obsidian.TextAreaComponent(contentEl)
                    .setValue(output)
                    .then((textarea) => {
                    copyButton.addEventListener('click', (e) => {
                        e.preventDefault();
                        // Select the textarea contents and copy them to the clipboard
                        textarea.inputEl.select();
                        textarea.inputEl.setSelectionRange(0, 99999);
                        document.execCommand('copy');
                        copyButton.addClass('success');
                        setTimeout(() => {
                            // If the button is still in the dom, remove the success class
                            if (copyButton.parentNode) {
                                copyButton.removeClass('success');
                            }
                        }, 2000);
                    });
                });
            });
            // Build a download link
            setting.controlEl.createEl('a', {
                cls: 'style-settings-download',
                text: 'Download',
                attr: {
                    download: 'style-settings.json',
                    href: `data:application/json;charset=utf-8,${encodeURIComponent(output)}`,
                },
            });
        });
    }
    onClose() {
        const { contentEl } = this;
        contentEl.empty();
    }
}

class ImportModal extends obsidian.Modal {
    constructor(app, plugin) {
        super(app);
        this.plugin = plugin;
    }
    onOpen() {
        const { contentEl, modalEl } = this;
        modalEl.addClass('modal-style-settings');
        new obsidian.Setting(contentEl)
            .setName('Import style setting')
            .setDesc('Import an entire or partial configuration. Warning: this may override existing settings');
        new obsidian.Setting(contentEl).then((setting) => {
            // Build an error message container
            const errorSpan = createSpan({
                cls: 'style-settings-import-error',
                text: 'Error importing config',
            });
            setting.nameEl.appendChild(errorSpan);
            // Attempt to parse the imported data and close if successful
            const importAndClose = (str) => __awaiter(this, void 0, void 0, function* () {
                if (str) {
                    try {
                        const importedSettings = JSON.parse(str);
                        yield this.plugin.settingsManager.setSettings(importedSettings);
                        this.plugin.settingsTab.display();
                        this.close();
                    }
                    catch (e) {
                        errorSpan.addClass('active');
                        errorSpan.setText(`Error importing style settings: ${e}`);
                    }
                }
                else {
                    errorSpan.addClass('active');
                    errorSpan.setText(`Error importing style settings: config is empty`);
                }
            });
            // Build a file input
            setting.controlEl.createEl('input', {
                cls: 'style-settings-import-input',
                attr: {
                    id: 'style-settings-import-input',
                    name: 'style-settings-import-input',
                    type: 'file',
                    accept: '.json',
                },
            }, (importInput) => {
                // Set up a FileReader so we can parse the file contents
                importInput.addEventListener('change', (e) => {
                    const reader = new FileReader();
                    reader.onload = (e) => __awaiter(this, void 0, void 0, function* () {
                        yield importAndClose(e.target.result.toString().trim());
                    });
                    reader.readAsText(e.target.files[0]);
                });
            });
            // Build a label we will style as a link
            setting.controlEl.createEl('label', {
                cls: 'style-settings-import-label',
                text: 'Import from file',
                attr: {
                    for: 'style-settings-import-input',
                },
            });
            new obsidian.TextAreaComponent(contentEl)
                .setPlaceholder('Paste config here...')
                .then((ta) => {
                new obsidian.ButtonComponent(contentEl)
                    .setButtonText('Save')
                    .onClick(() => __awaiter(this, void 0, void 0, function* () {
                    yield importAndClose(ta.getValue().trim());
                }));
            });
        });
    }
    onClose() {
        const { contentEl } = this;
        contentEl.empty();
    }
}

const SettingType = {
    HEADING: 'heading',
    INFO_TEXT: 'info-text',
    CLASS_TOGGLE: 'class-toggle',
    CLASS_SELECT: 'class-select',
    VARIABLE_TEXT: 'variable-text',
    VARIABLE_NUMBER: 'variable-number',
    VARIABLE_NUMBER_SLIDER: 'variable-number-slider',
    VARIABLE_SELECT: 'variable-select',
    VARIABLE_COLOR: 'variable-color',
    VARIABLE_THEMED_COLOR: 'variable-themed-color',
    COLOR_GRADIENT: 'color-gradient',
};

var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function getDefaultExportFromCjs (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

function createCommonjsModule(fn, basedir, module) {
	return module = {
		path: basedir,
		exports: {},
		require: function (path, base) {
			return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
		}
	}, fn(module, module.exports), module.exports;
}

function commonjsRequire () {
	throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
}

var chroma = createCommonjsModule(function (module, exports) {
/**
 * chroma.js - JavaScript library for color conversions
 *
 * Copyright (c) 2011-2019, Gregor Aisch
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name Gregor Aisch may not be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL GREGOR AISCH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * -------------------------------------------------------
 *
 * chroma.js includes colors from colorbrewer2.org, which are released under
 * the following license:
 *
 * Copyright (c) 2002 Cynthia Brewer, Mark Harrower,
 * and The Pennsylvania State University.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * ------------------------------------------------------
 *
 * Named colors are taken from X11 Color Names.
 * http://www.w3.org/TR/css3-color/#svg-color
 *
 * @preserve
 */

(function (global, factory) {
    module.exports = factory() ;
}(commonjsGlobal, (function () {
    var limit = function (x, min, max) {
        if ( min === void 0 ) min=0;
        if ( max === void 0 ) max=1;

        return x < min ? min : x > max ? max : x;
    };

    var clip_rgb = function (rgb) {
        rgb._clipped = false;
        rgb._unclipped = rgb.slice(0);
        for (var i=0; i<=3; i++) {
            if (i < 3) {
                if (rgb[i] < 0 || rgb[i] > 255) { rgb._clipped = true; }
                rgb[i] = limit(rgb[i], 0, 255);
            } else if (i === 3) {
                rgb[i] = limit(rgb[i], 0, 1);
            }
        }
        return rgb;
    };

    // ported from jQuery's $.type
    var classToType = {};
    for (var i = 0, list = ['Boolean', 'Number', 'String', 'Function', 'Array', 'Date', 'RegExp', 'Undefined', 'Null']; i < list.length; i += 1) {
        var name = list[i];

        classToType[("[object " + name + "]")] = name.toLowerCase();
    }
    var type = function(obj) {
        return classToType[Object.prototype.toString.call(obj)] || "object";
    };

    var unpack = function (args, keyOrder) {
        if ( keyOrder === void 0 ) keyOrder=null;

    	// if called with more than 3 arguments, we return the arguments
        if (args.length >= 3) { return Array.prototype.slice.call(args); }
        // with less than 3 args we check if first arg is object
        // and use the keyOrder string to extract and sort properties
    	if (type(args[0]) == 'object' && keyOrder) {
    		return keyOrder.split('')
    			.filter(function (k) { return args[0][k] !== undefined; })
    			.map(function (k) { return args[0][k]; });
    	}
    	// otherwise we just return the first argument
    	// (which we suppose is an array of args)
        return args[0];
    };

    var last = function (args) {
        if (args.length < 2) { return null; }
        var l = args.length-1;
        if (type(args[l]) == 'string') { return args[l].toLowerCase(); }
        return null;
    };

    var PI = Math.PI;

    var utils = {
    	clip_rgb: clip_rgb,
    	limit: limit,
    	type: type,
    	unpack: unpack,
    	last: last,
    	PI: PI,
    	TWOPI: PI*2,
    	PITHIRD: PI/3,
    	DEG2RAD: PI / 180,
    	RAD2DEG: 180 / PI
    };

    var input = {
    	format: {},
    	autodetect: []
    };

    var last$1 = utils.last;
    var clip_rgb$1 = utils.clip_rgb;
    var type$1 = utils.type;


    var Color = function Color() {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var me = this;
        if (type$1(args[0]) === 'object' &&
            args[0].constructor &&
            args[0].constructor === this.constructor) {
            // the argument is already a Color instance
            return args[0];
        }

        // last argument could be the mode
        var mode = last$1(args);
        var autodetect = false;

        if (!mode) {
            autodetect = true;
            if (!input.sorted) {
                input.autodetect = input.autodetect.sort(function (a,b) { return b.p - a.p; });
                input.sorted = true;
            }
            // auto-detect format
            for (var i = 0, list = input.autodetect; i < list.length; i += 1) {
                var chk = list[i];

                mode = chk.test.apply(chk, args);
                if (mode) { break; }
            }
        }

        if (input.format[mode]) {
            var rgb = input.format[mode].apply(null, autodetect ? args : args.slice(0,-1));
            me._rgb = clip_rgb$1(rgb);
        } else {
            throw new Error('unknown format: '+args);
        }

        // add alpha channel
        if (me._rgb.length === 3) { me._rgb.push(1); }
    };

    Color.prototype.toString = function toString () {
        if (type$1(this.hex) == 'function') { return this.hex(); }
        return ("[" + (this._rgb.join(',')) + "]");
    };

    var Color_1 = Color;

    var chroma = function () {
    	var args = [], len = arguments.length;
    	while ( len-- ) args[ len ] = arguments[ len ];

    	return new (Function.prototype.bind.apply( chroma.Color, [ null ].concat( args) ));
    };

    chroma.Color = Color_1;
    chroma.version = '2.1.2';

    var chroma_1 = chroma;

    var unpack$1 = utils.unpack;
    var max = Math.max;

    var rgb2cmyk = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$1(args, 'rgb');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        r = r / 255;
        g = g / 255;
        b = b / 255;
        var k = 1 - max(r,max(g,b));
        var f = k < 1 ? 1 / (1-k) : 0;
        var c = (1-r-k) * f;
        var m = (1-g-k) * f;
        var y = (1-b-k) * f;
        return [c,m,y,k];
    };

    var rgb2cmyk_1 = rgb2cmyk;

    var unpack$2 = utils.unpack;

    var cmyk2rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        args = unpack$2(args, 'cmyk');
        var c = args[0];
        var m = args[1];
        var y = args[2];
        var k = args[3];
        var alpha = args.length > 4 ? args[4] : 1;
        if (k === 1) { return [0,0,0,alpha]; }
        return [
            c >= 1 ? 0 : 255 * (1-c) * (1-k), // r
            m >= 1 ? 0 : 255 * (1-m) * (1-k), // g
            y >= 1 ? 0 : 255 * (1-y) * (1-k), // b
            alpha
        ];
    };

    var cmyk2rgb_1 = cmyk2rgb;

    var unpack$3 = utils.unpack;
    var type$2 = utils.type;



    Color_1.prototype.cmyk = function() {
        return rgb2cmyk_1(this._rgb);
    };

    chroma_1.cmyk = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['cmyk']) ));
    };

    input.format.cmyk = cmyk2rgb_1;

    input.autodetect.push({
        p: 2,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$3(args, 'cmyk');
            if (type$2(args) === 'array' && args.length === 4) {
                return 'cmyk';
            }
        }
    });

    var unpack$4 = utils.unpack;
    var last$2 = utils.last;
    var rnd = function (a) { return Math.round(a*100)/100; };

    /*
     * supported arguments:
     * - hsl2css(h,s,l)
     * - hsl2css(h,s,l,a)
     * - hsl2css([h,s,l], mode)
     * - hsl2css([h,s,l,a], mode)
     * - hsl2css({h,s,l,a}, mode)
     */
    var hsl2css = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var hsla = unpack$4(args, 'hsla');
        var mode = last$2(args) || 'lsa';
        hsla[0] = rnd(hsla[0] || 0);
        hsla[1] = rnd(hsla[1]*100) + '%';
        hsla[2] = rnd(hsla[2]*100) + '%';
        if (mode === 'hsla' || (hsla.length > 3 && hsla[3]<1)) {
            hsla[3] = hsla.length > 3 ? hsla[3] : 1;
            mode = 'hsla';
        } else {
            hsla.length = 3;
        }
        return (mode + "(" + (hsla.join(',')) + ")");
    };

    var hsl2css_1 = hsl2css;

    var unpack$5 = utils.unpack;

    /*
     * supported arguments:
     * - rgb2hsl(r,g,b)
     * - rgb2hsl(r,g,b,a)
     * - rgb2hsl([r,g,b])
     * - rgb2hsl([r,g,b,a])
     * - rgb2hsl({r,g,b,a})
     */
    var rgb2hsl = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        args = unpack$5(args, 'rgba');
        var r = args[0];
        var g = args[1];
        var b = args[2];

        r /= 255;
        g /= 255;
        b /= 255;

        var min = Math.min(r, g, b);
        var max = Math.max(r, g, b);

        var l = (max + min) / 2;
        var s, h;

        if (max === min){
            s = 0;
            h = Number.NaN;
        } else {
            s = l < 0.5 ? (max - min) / (max + min) : (max - min) / (2 - max - min);
        }

        if (r == max) { h = (g - b) / (max - min); }
        else if (g == max) { h = 2 + (b - r) / (max - min); }
        else if (b == max) { h = 4 + (r - g) / (max - min); }

        h *= 60;
        if (h < 0) { h += 360; }
        if (args.length>3 && args[3]!==undefined) { return [h,s,l,args[3]]; }
        return [h,s,l];
    };

    var rgb2hsl_1 = rgb2hsl;

    var unpack$6 = utils.unpack;
    var last$3 = utils.last;


    var round = Math.round;

    /*
     * supported arguments:
     * - rgb2css(r,g,b)
     * - rgb2css(r,g,b,a)
     * - rgb2css([r,g,b], mode)
     * - rgb2css([r,g,b,a], mode)
     * - rgb2css({r,g,b,a}, mode)
     */
    var rgb2css = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var rgba = unpack$6(args, 'rgba');
        var mode = last$3(args) || 'rgb';
        if (mode.substr(0,3) == 'hsl') {
            return hsl2css_1(rgb2hsl_1(rgba), mode);
        }
        rgba[0] = round(rgba[0]);
        rgba[1] = round(rgba[1]);
        rgba[2] = round(rgba[2]);
        if (mode === 'rgba' || (rgba.length > 3 && rgba[3]<1)) {
            rgba[3] = rgba.length > 3 ? rgba[3] : 1;
            mode = 'rgba';
        }
        return (mode + "(" + (rgba.slice(0,mode==='rgb'?3:4).join(',')) + ")");
    };

    var rgb2css_1 = rgb2css;

    var unpack$7 = utils.unpack;
    var round$1 = Math.round;

    var hsl2rgb = function () {
        var assign;

        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];
        args = unpack$7(args, 'hsl');
        var h = args[0];
        var s = args[1];
        var l = args[2];
        var r,g,b;
        if (s === 0) {
            r = g = b = l*255;
        } else {
            var t3 = [0,0,0];
            var c = [0,0,0];
            var t2 = l < 0.5 ? l * (1+s) : l+s-l*s;
            var t1 = 2 * l - t2;
            var h_ = h / 360;
            t3[0] = h_ + 1/3;
            t3[1] = h_;
            t3[2] = h_ - 1/3;
            for (var i=0; i<3; i++) {
                if (t3[i] < 0) { t3[i] += 1; }
                if (t3[i] > 1) { t3[i] -= 1; }
                if (6 * t3[i] < 1)
                    { c[i] = t1 + (t2 - t1) * 6 * t3[i]; }
                else if (2 * t3[i] < 1)
                    { c[i] = t2; }
                else if (3 * t3[i] < 2)
                    { c[i] = t1 + (t2 - t1) * ((2 / 3) - t3[i]) * 6; }
                else
                    { c[i] = t1; }
            }
            (assign = [round$1(c[0]*255),round$1(c[1]*255),round$1(c[2]*255)], r = assign[0], g = assign[1], b = assign[2]);
        }
        if (args.length > 3) {
            // keep alpha channel
            return [r,g,b,args[3]];
        }
        return [r,g,b,1];
    };

    var hsl2rgb_1 = hsl2rgb;

    var RE_RGB = /^rgb\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*\)$/;
    var RE_RGBA = /^rgba\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*,\s*([01]|[01]?\.\d+)\)$/;
    var RE_RGB_PCT = /^rgb\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/;
    var RE_RGBA_PCT = /^rgba\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/;
    var RE_HSL = /^hsl\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/;
    var RE_HSLA = /^hsla\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/;

    var round$2 = Math.round;

    var css2rgb = function (css) {
        css = css.toLowerCase().trim();
        var m;

        if (input.format.named) {
            try {
                return input.format.named(css);
            } catch (e) {
                // eslint-disable-next-line
            }
        }

        // rgb(250,20,0)
        if ((m = css.match(RE_RGB))) {
            var rgb = m.slice(1,4);
            for (var i=0; i<3; i++) {
                rgb[i] = +rgb[i];
            }
            rgb[3] = 1;  // default alpha
            return rgb;
        }

        // rgba(250,20,0,0.4)
        if ((m = css.match(RE_RGBA))) {
            var rgb$1 = m.slice(1,5);
            for (var i$1=0; i$1<4; i$1++) {
                rgb$1[i$1] = +rgb$1[i$1];
            }
            return rgb$1;
        }

        // rgb(100%,0%,0%)
        if ((m = css.match(RE_RGB_PCT))) {
            var rgb$2 = m.slice(1,4);
            for (var i$2=0; i$2<3; i$2++) {
                rgb$2[i$2] = round$2(rgb$2[i$2] * 2.55);
            }
            rgb$2[3] = 1;  // default alpha
            return rgb$2;
        }

        // rgba(100%,0%,0%,0.4)
        if ((m = css.match(RE_RGBA_PCT))) {
            var rgb$3 = m.slice(1,5);
            for (var i$3=0; i$3<3; i$3++) {
                rgb$3[i$3] = round$2(rgb$3[i$3] * 2.55);
            }
            rgb$3[3] = +rgb$3[3];
            return rgb$3;
        }

        // hsl(0,100%,50%)
        if ((m = css.match(RE_HSL))) {
            var hsl = m.slice(1,4);
            hsl[1] *= 0.01;
            hsl[2] *= 0.01;
            var rgb$4 = hsl2rgb_1(hsl);
            rgb$4[3] = 1;
            return rgb$4;
        }

        // hsla(0,100%,50%,0.5)
        if ((m = css.match(RE_HSLA))) {
            var hsl$1 = m.slice(1,4);
            hsl$1[1] *= 0.01;
            hsl$1[2] *= 0.01;
            var rgb$5 = hsl2rgb_1(hsl$1);
            rgb$5[3] = +m[4];  // default alpha = 1
            return rgb$5;
        }
    };

    css2rgb.test = function (s) {
        return RE_RGB.test(s) ||
            RE_RGBA.test(s) ||
            RE_RGB_PCT.test(s) ||
            RE_RGBA_PCT.test(s) ||
            RE_HSL.test(s) ||
            RE_HSLA.test(s);
    };

    var css2rgb_1 = css2rgb;

    var type$3 = utils.type;




    Color_1.prototype.css = function(mode) {
        return rgb2css_1(this._rgb, mode);
    };

    chroma_1.css = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['css']) ));
    };

    input.format.css = css2rgb_1;

    input.autodetect.push({
        p: 5,
        test: function (h) {
            var rest = [], len = arguments.length - 1;
            while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ];

            if (!rest.length && type$3(h) === 'string' && css2rgb_1.test(h)) {
                return 'css';
            }
        }
    });

    var unpack$8 = utils.unpack;

    input.format.gl = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var rgb = unpack$8(args, 'rgba');
        rgb[0] *= 255;
        rgb[1] *= 255;
        rgb[2] *= 255;
        return rgb;
    };

    chroma_1.gl = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['gl']) ));
    };

    Color_1.prototype.gl = function() {
        var rgb = this._rgb;
        return [rgb[0]/255, rgb[1]/255, rgb[2]/255, rgb[3]];
    };

    var unpack$9 = utils.unpack;

    var rgb2hcg = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$9(args, 'rgb');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        var min = Math.min(r, g, b);
        var max = Math.max(r, g, b);
        var delta = max - min;
        var c = delta * 100 / 255;
        var _g = min / (255 - delta) * 100;
        var h;
        if (delta === 0) {
            h = Number.NaN;
        } else {
            if (r === max) { h = (g - b) / delta; }
            if (g === max) { h = 2+(b - r) / delta; }
            if (b === max) { h = 4+(r - g) / delta; }
            h *= 60;
            if (h < 0) { h += 360; }
        }
        return [h, c, _g];
    };

    var rgb2hcg_1 = rgb2hcg;

    var unpack$a = utils.unpack;
    var floor = Math.floor;

    /*
     * this is basically just HSV with some minor tweaks
     *
     * hue.. [0..360]
     * chroma .. [0..1]
     * grayness .. [0..1]
     */

    var hcg2rgb = function () {
        var assign, assign$1, assign$2, assign$3, assign$4, assign$5;

        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];
        args = unpack$a(args, 'hcg');
        var h = args[0];
        var c = args[1];
        var _g = args[2];
        var r,g,b;
        _g = _g * 255;
        var _c = c * 255;
        if (c === 0) {
            r = g = b = _g;
        } else {
            if (h === 360) { h = 0; }
            if (h > 360) { h -= 360; }
            if (h < 0) { h += 360; }
            h /= 60;
            var i = floor(h);
            var f = h - i;
            var p = _g * (1 - c);
            var q = p + _c * (1 - f);
            var t = p + _c * f;
            var v = p + _c;
            switch (i) {
                case 0: (assign = [v, t, p], r = assign[0], g = assign[1], b = assign[2]); break
                case 1: (assign$1 = [q, v, p], r = assign$1[0], g = assign$1[1], b = assign$1[2]); break
                case 2: (assign$2 = [p, v, t], r = assign$2[0], g = assign$2[1], b = assign$2[2]); break
                case 3: (assign$3 = [p, q, v], r = assign$3[0], g = assign$3[1], b = assign$3[2]); break
                case 4: (assign$4 = [t, p, v], r = assign$4[0], g = assign$4[1], b = assign$4[2]); break
                case 5: (assign$5 = [v, p, q], r = assign$5[0], g = assign$5[1], b = assign$5[2]); break
            }
        }
        return [r, g, b, args.length > 3 ? args[3] : 1];
    };

    var hcg2rgb_1 = hcg2rgb;

    var unpack$b = utils.unpack;
    var type$4 = utils.type;






    Color_1.prototype.hcg = function() {
        return rgb2hcg_1(this._rgb);
    };

    chroma_1.hcg = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['hcg']) ));
    };

    input.format.hcg = hcg2rgb_1;

    input.autodetect.push({
        p: 1,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$b(args, 'hcg');
            if (type$4(args) === 'array' && args.length === 3) {
                return 'hcg';
            }
        }
    });

    var unpack$c = utils.unpack;
    var last$4 = utils.last;
    var round$3 = Math.round;

    var rgb2hex = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$c(args, 'rgba');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        var a = ref[3];
        var mode = last$4(args) || 'auto';
        if (a === undefined) { a = 1; }
        if (mode === 'auto') {
            mode = a < 1 ? 'rgba' : 'rgb';
        }
        r = round$3(r);
        g = round$3(g);
        b = round$3(b);
        var u = r << 16 | g << 8 | b;
        var str = "000000" + u.toString(16); //#.toUpperCase();
        str = str.substr(str.length - 6);
        var hxa = '0' + round$3(a * 255).toString(16);
        hxa = hxa.substr(hxa.length - 2);
        switch (mode.toLowerCase()) {
            case 'rgba': return ("#" + str + hxa);
            case 'argb': return ("#" + hxa + str);
            default: return ("#" + str);
        }
    };

    var rgb2hex_1 = rgb2hex;

    var RE_HEX = /^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/;
    var RE_HEXA = /^#?([A-Fa-f0-9]{8}|[A-Fa-f0-9]{4})$/;

    var hex2rgb = function (hex) {
        if (hex.match(RE_HEX)) {
            // remove optional leading #
            if (hex.length === 4 || hex.length === 7) {
                hex = hex.substr(1);
            }
            // expand short-notation to full six-digit
            if (hex.length === 3) {
                hex = hex.split('');
                hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
            }
            var u = parseInt(hex, 16);
            var r = u >> 16;
            var g = u >> 8 & 0xFF;
            var b = u & 0xFF;
            return [r,g,b,1];
        }

        // match rgba hex format, eg #FF000077
        if (hex.match(RE_HEXA)) {
            if (hex.length === 5 || hex.length === 9) {
                // remove optional leading #
                hex = hex.substr(1);
            }
            // expand short-notation to full eight-digit
            if (hex.length === 4) {
                hex = hex.split('');
                hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2]+hex[3]+hex[3];
            }
            var u$1 = parseInt(hex, 16);
            var r$1 = u$1 >> 24 & 0xFF;
            var g$1 = u$1 >> 16 & 0xFF;
            var b$1 = u$1 >> 8 & 0xFF;
            var a = Math.round((u$1 & 0xFF) / 0xFF * 100) / 100;
            return [r$1,g$1,b$1,a];
        }

        // we used to check for css colors here
        // if _input.css? and rgb = _input.css hex
        //     return rgb

        throw new Error(("unknown hex color: " + hex));
    };

    var hex2rgb_1 = hex2rgb;

    var type$5 = utils.type;




    Color_1.prototype.hex = function(mode) {
        return rgb2hex_1(this._rgb, mode);
    };

    chroma_1.hex = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['hex']) ));
    };

    input.format.hex = hex2rgb_1;
    input.autodetect.push({
        p: 4,
        test: function (h) {
            var rest = [], len = arguments.length - 1;
            while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ];

            if (!rest.length && type$5(h) === 'string' && [3,4,5,6,7,8,9].indexOf(h.length) >= 0) {
                return 'hex';
            }
        }
    });

    var unpack$d = utils.unpack;
    var TWOPI = utils.TWOPI;
    var min = Math.min;
    var sqrt = Math.sqrt;
    var acos = Math.acos;

    var rgb2hsi = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        /*
        borrowed from here:
        http://hummer.stanford.edu/museinfo/doc/examples/humdrum/keyscape2/rgb2hsi.cpp
        */
        var ref = unpack$d(args, 'rgb');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        r /= 255;
        g /= 255;
        b /= 255;
        var h;
        var min_ = min(r,g,b);
        var i = (r+g+b) / 3;
        var s = i > 0 ? 1 - min_/i : 0;
        if (s === 0) {
            h = NaN;
        } else {
            h = ((r-g)+(r-b)) / 2;
            h /= sqrt((r-g)*(r-g) + (r-b)*(g-b));
            h = acos(h);
            if (b > g) {
                h = TWOPI - h;
            }
            h /= TWOPI;
        }
        return [h*360,s,i];
    };

    var rgb2hsi_1 = rgb2hsi;

    var unpack$e = utils.unpack;
    var limit$1 = utils.limit;
    var TWOPI$1 = utils.TWOPI;
    var PITHIRD = utils.PITHIRD;
    var cos = Math.cos;

    /*
     * hue [0..360]
     * saturation [0..1]
     * intensity [0..1]
     */
    var hsi2rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        /*
        borrowed from here:
        http://hummer.stanford.edu/museinfo/doc/examples/humdrum/keyscape2/hsi2rgb.cpp
        */
        args = unpack$e(args, 'hsi');
        var h = args[0];
        var s = args[1];
        var i = args[2];
        var r,g,b;

        if (isNaN(h)) { h = 0; }
        if (isNaN(s)) { s = 0; }
        // normalize hue
        if (h > 360) { h -= 360; }
        if (h < 0) { h += 360; }
        h /= 360;
        if (h < 1/3) {
            b = (1-s)/3;
            r = (1+s*cos(TWOPI$1*h)/cos(PITHIRD-TWOPI$1*h))/3;
            g = 1 - (b+r);
        } else if (h < 2/3) {
            h -= 1/3;
            r = (1-s)/3;
            g = (1+s*cos(TWOPI$1*h)/cos(PITHIRD-TWOPI$1*h))/3;
            b = 1 - (r+g);
        } else {
            h -= 2/3;
            g = (1-s)/3;
            b = (1+s*cos(TWOPI$1*h)/cos(PITHIRD-TWOPI$1*h))/3;
            r = 1 - (g+b);
        }
        r = limit$1(i*r*3);
        g = limit$1(i*g*3);
        b = limit$1(i*b*3);
        return [r*255, g*255, b*255, args.length > 3 ? args[3] : 1];
    };

    var hsi2rgb_1 = hsi2rgb;

    var unpack$f = utils.unpack;
    var type$6 = utils.type;






    Color_1.prototype.hsi = function() {
        return rgb2hsi_1(this._rgb);
    };

    chroma_1.hsi = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['hsi']) ));
    };

    input.format.hsi = hsi2rgb_1;

    input.autodetect.push({
        p: 2,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$f(args, 'hsi');
            if (type$6(args) === 'array' && args.length === 3) {
                return 'hsi';
            }
        }
    });

    var unpack$g = utils.unpack;
    var type$7 = utils.type;






    Color_1.prototype.hsl = function() {
        return rgb2hsl_1(this._rgb);
    };

    chroma_1.hsl = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['hsl']) ));
    };

    input.format.hsl = hsl2rgb_1;

    input.autodetect.push({
        p: 2,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$g(args, 'hsl');
            if (type$7(args) === 'array' && args.length === 3) {
                return 'hsl';
            }
        }
    });

    var unpack$h = utils.unpack;
    var min$1 = Math.min;
    var max$1 = Math.max;

    /*
     * supported arguments:
     * - rgb2hsv(r,g,b)
     * - rgb2hsv([r,g,b])
     * - rgb2hsv({r,g,b})
     */
    var rgb2hsl$1 = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        args = unpack$h(args, 'rgb');
        var r = args[0];
        var g = args[1];
        var b = args[2];
        var min_ = min$1(r, g, b);
        var max_ = max$1(r, g, b);
        var delta = max_ - min_;
        var h,s,v;
        v = max_ / 255.0;
        if (max_ === 0) {
            h = Number.NaN;
            s = 0;
        } else {
            s = delta / max_;
            if (r === max_) { h = (g - b) / delta; }
            if (g === max_) { h = 2+(b - r) / delta; }
            if (b === max_) { h = 4+(r - g) / delta; }
            h *= 60;
            if (h < 0) { h += 360; }
        }
        return [h, s, v]
    };

    var rgb2hsv = rgb2hsl$1;

    var unpack$i = utils.unpack;
    var floor$1 = Math.floor;

    var hsv2rgb = function () {
        var assign, assign$1, assign$2, assign$3, assign$4, assign$5;

        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];
        args = unpack$i(args, 'hsv');
        var h = args[0];
        var s = args[1];
        var v = args[2];
        var r,g,b;
        v *= 255;
        if (s === 0) {
            r = g = b = v;
        } else {
            if (h === 360) { h = 0; }
            if (h > 360) { h -= 360; }
            if (h < 0) { h += 360; }
            h /= 60;

            var i = floor$1(h);
            var f = h - i;
            var p = v * (1 - s);
            var q = v * (1 - s * f);
            var t = v * (1 - s * (1 - f));

            switch (i) {
                case 0: (assign = [v, t, p], r = assign[0], g = assign[1], b = assign[2]); break
                case 1: (assign$1 = [q, v, p], r = assign$1[0], g = assign$1[1], b = assign$1[2]); break
                case 2: (assign$2 = [p, v, t], r = assign$2[0], g = assign$2[1], b = assign$2[2]); break
                case 3: (assign$3 = [p, q, v], r = assign$3[0], g = assign$3[1], b = assign$3[2]); break
                case 4: (assign$4 = [t, p, v], r = assign$4[0], g = assign$4[1], b = assign$4[2]); break
                case 5: (assign$5 = [v, p, q], r = assign$5[0], g = assign$5[1], b = assign$5[2]); break
            }
        }
        return [r,g,b,args.length > 3?args[3]:1];
    };

    var hsv2rgb_1 = hsv2rgb;

    var unpack$j = utils.unpack;
    var type$8 = utils.type;






    Color_1.prototype.hsv = function() {
        return rgb2hsv(this._rgb);
    };

    chroma_1.hsv = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['hsv']) ));
    };

    input.format.hsv = hsv2rgb_1;

    input.autodetect.push({
        p: 2,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$j(args, 'hsv');
            if (type$8(args) === 'array' && args.length === 3) {
                return 'hsv';
            }
        }
    });

    var labConstants = {
        // Corresponds roughly to RGB brighter/darker
        Kn: 18,

        // D65 standard referent
        Xn: 0.950470,
        Yn: 1,
        Zn: 1.088830,

        t0: 0.137931034,  // 4 / 29
        t1: 0.206896552,  // 6 / 29
        t2: 0.12841855,   // 3 * t1 * t1
        t3: 0.008856452,  // t1 * t1 * t1
    };

    var unpack$k = utils.unpack;
    var pow = Math.pow;

    var rgb2lab = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$k(args, 'rgb');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        var ref$1 = rgb2xyz(r,g,b);
        var x = ref$1[0];
        var y = ref$1[1];
        var z = ref$1[2];
        var l = 116 * y - 16;
        return [l < 0 ? 0 : l, 500 * (x - y), 200 * (y - z)];
    };

    var rgb_xyz = function (r) {
        if ((r /= 255) <= 0.04045) { return r / 12.92; }
        return pow((r + 0.055) / 1.055, 2.4);
    };

    var xyz_lab = function (t) {
        if (t > labConstants.t3) { return pow(t, 1 / 3); }
        return t / labConstants.t2 + labConstants.t0;
    };

    var rgb2xyz = function (r,g,b) {
        r = rgb_xyz(r);
        g = rgb_xyz(g);
        b = rgb_xyz(b);
        var x = xyz_lab((0.4124564 * r + 0.3575761 * g + 0.1804375 * b) / labConstants.Xn);
        var y = xyz_lab((0.2126729 * r + 0.7151522 * g + 0.0721750 * b) / labConstants.Yn);
        var z = xyz_lab((0.0193339 * r + 0.1191920 * g + 0.9503041 * b) / labConstants.Zn);
        return [x,y,z];
    };

    var rgb2lab_1 = rgb2lab;

    var unpack$l = utils.unpack;
    var pow$1 = Math.pow;

    /*
     * L* [0..100]
     * a [-100..100]
     * b [-100..100]
     */
    var lab2rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        args = unpack$l(args, 'lab');
        var l = args[0];
        var a = args[1];
        var b = args[2];
        var x,y,z, r,g,b_;

        y = (l + 16) / 116;
        x = isNaN(a) ? y : y + a / 500;
        z = isNaN(b) ? y : y - b / 200;

        y = labConstants.Yn * lab_xyz(y);
        x = labConstants.Xn * lab_xyz(x);
        z = labConstants.Zn * lab_xyz(z);

        r = xyz_rgb(3.2404542 * x - 1.5371385 * y - 0.4985314 * z);  // D65 -> sRGB
        g = xyz_rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z);
        b_ = xyz_rgb(0.0556434 * x - 0.2040259 * y + 1.0572252 * z);

        return [r,g,b_,args.length > 3 ? args[3] : 1];
    };

    var xyz_rgb = function (r) {
        return 255 * (r <= 0.00304 ? 12.92 * r : 1.055 * pow$1(r, 1 / 2.4) - 0.055)
    };

    var lab_xyz = function (t) {
        return t > labConstants.t1 ? t * t * t : labConstants.t2 * (t - labConstants.t0)
    };

    var lab2rgb_1 = lab2rgb;

    var unpack$m = utils.unpack;
    var type$9 = utils.type;






    Color_1.prototype.lab = function() {
        return rgb2lab_1(this._rgb);
    };

    chroma_1.lab = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['lab']) ));
    };

    input.format.lab = lab2rgb_1;

    input.autodetect.push({
        p: 2,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$m(args, 'lab');
            if (type$9(args) === 'array' && args.length === 3) {
                return 'lab';
            }
        }
    });

    var unpack$n = utils.unpack;
    var RAD2DEG = utils.RAD2DEG;
    var sqrt$1 = Math.sqrt;
    var atan2 = Math.atan2;
    var round$4 = Math.round;

    var lab2lch = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$n(args, 'lab');
        var l = ref[0];
        var a = ref[1];
        var b = ref[2];
        var c = sqrt$1(a * a + b * b);
        var h = (atan2(b, a) * RAD2DEG + 360) % 360;
        if (round$4(c*10000) === 0) { h = Number.NaN; }
        return [l, c, h];
    };

    var lab2lch_1 = lab2lch;

    var unpack$o = utils.unpack;



    var rgb2lch = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$o(args, 'rgb');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        var ref$1 = rgb2lab_1(r,g,b);
        var l = ref$1[0];
        var a = ref$1[1];
        var b_ = ref$1[2];
        return lab2lch_1(l,a,b_);
    };

    var rgb2lch_1 = rgb2lch;

    var unpack$p = utils.unpack;
    var DEG2RAD = utils.DEG2RAD;
    var sin = Math.sin;
    var cos$1 = Math.cos;

    var lch2lab = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        /*
        Convert from a qualitative parameter h and a quantitative parameter l to a 24-bit pixel.
        These formulas were invented by David Dalrymple to obtain maximum contrast without going
        out of gamut if the parameters are in the range 0-1.

        A saturation multiplier was added by Gregor Aisch
        */
        var ref = unpack$p(args, 'lch');
        var l = ref[0];
        var c = ref[1];
        var h = ref[2];
        if (isNaN(h)) { h = 0; }
        h = h * DEG2RAD;
        return [l, cos$1(h) * c, sin(h) * c]
    };

    var lch2lab_1 = lch2lab;

    var unpack$q = utils.unpack;



    var lch2rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        args = unpack$q(args, 'lch');
        var l = args[0];
        var c = args[1];
        var h = args[2];
        var ref = lch2lab_1 (l,c,h);
        var L = ref[0];
        var a = ref[1];
        var b_ = ref[2];
        var ref$1 = lab2rgb_1 (L,a,b_);
        var r = ref$1[0];
        var g = ref$1[1];
        var b = ref$1[2];
        return [r, g, b, args.length > 3 ? args[3] : 1];
    };

    var lch2rgb_1 = lch2rgb;

    var unpack$r = utils.unpack;


    var hcl2rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var hcl = unpack$r(args, 'hcl').reverse();
        return lch2rgb_1.apply(void 0, hcl);
    };

    var hcl2rgb_1 = hcl2rgb;

    var unpack$s = utils.unpack;
    var type$a = utils.type;






    Color_1.prototype.lch = function() { return rgb2lch_1(this._rgb); };
    Color_1.prototype.hcl = function() { return rgb2lch_1(this._rgb).reverse(); };

    chroma_1.lch = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['lch']) ));
    };
    chroma_1.hcl = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['hcl']) ));
    };

    input.format.lch = lch2rgb_1;
    input.format.hcl = hcl2rgb_1;

    ['lch','hcl'].forEach(function (m) { return input.autodetect.push({
        p: 2,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$s(args, m);
            if (type$a(args) === 'array' && args.length === 3) {
                return m;
            }
        }
    }); });

    /**
    	X11 color names

    	http://www.w3.org/TR/css3-color/#svg-color
    */

    var w3cx11 = {
        aliceblue: '#f0f8ff',
        antiquewhite: '#faebd7',
        aqua: '#00ffff',
        aquamarine: '#7fffd4',
        azure: '#f0ffff',
        beige: '#f5f5dc',
        bisque: '#ffe4c4',
        black: '#000000',
        blanchedalmond: '#ffebcd',
        blue: '#0000ff',
        blueviolet: '#8a2be2',
        brown: '#a52a2a',
        burlywood: '#deb887',
        cadetblue: '#5f9ea0',
        chartreuse: '#7fff00',
        chocolate: '#d2691e',
        coral: '#ff7f50',
        cornflower: '#6495ed',
        cornflowerblue: '#6495ed',
        cornsilk: '#fff8dc',
        crimson: '#dc143c',
        cyan: '#00ffff',
        darkblue: '#00008b',
        darkcyan: '#008b8b',
        darkgoldenrod: '#b8860b',
        darkgray: '#a9a9a9',
        darkgreen: '#006400',
        darkgrey: '#a9a9a9',
        darkkhaki: '#bdb76b',
        darkmagenta: '#8b008b',
        darkolivegreen: '#556b2f',
        darkorange: '#ff8c00',
        darkorchid: '#9932cc',
        darkred: '#8b0000',
        darksalmon: '#e9967a',
        darkseagreen: '#8fbc8f',
        darkslateblue: '#483d8b',
        darkslategray: '#2f4f4f',
        darkslategrey: '#2f4f4f',
        darkturquoise: '#00ced1',
        darkviolet: '#9400d3',
        deeppink: '#ff1493',
        deepskyblue: '#00bfff',
        dimgray: '#696969',
        dimgrey: '#696969',
        dodgerblue: '#1e90ff',
        firebrick: '#b22222',
        floralwhite: '#fffaf0',
        forestgreen: '#228b22',
        fuchsia: '#ff00ff',
        gainsboro: '#dcdcdc',
        ghostwhite: '#f8f8ff',
        gold: '#ffd700',
        goldenrod: '#daa520',
        gray: '#808080',
        green: '#008000',
        greenyellow: '#adff2f',
        grey: '#808080',
        honeydew: '#f0fff0',
        hotpink: '#ff69b4',
        indianred: '#cd5c5c',
        indigo: '#4b0082',
        ivory: '#fffff0',
        khaki: '#f0e68c',
        laserlemon: '#ffff54',
        lavender: '#e6e6fa',
        lavenderblush: '#fff0f5',
        lawngreen: '#7cfc00',
        lemonchiffon: '#fffacd',
        lightblue: '#add8e6',
        lightcoral: '#f08080',
        lightcyan: '#e0ffff',
        lightgoldenrod: '#fafad2',
        lightgoldenrodyellow: '#fafad2',
        lightgray: '#d3d3d3',
        lightgreen: '#90ee90',
        lightgrey: '#d3d3d3',
        lightpink: '#ffb6c1',
        lightsalmon: '#ffa07a',
        lightseagreen: '#20b2aa',
        lightskyblue: '#87cefa',
        lightslategray: '#778899',
        lightslategrey: '#778899',
        lightsteelblue: '#b0c4de',
        lightyellow: '#ffffe0',
        lime: '#00ff00',
        limegreen: '#32cd32',
        linen: '#faf0e6',
        magenta: '#ff00ff',
        maroon: '#800000',
        maroon2: '#7f0000',
        maroon3: '#b03060',
        mediumaquamarine: '#66cdaa',
        mediumblue: '#0000cd',
        mediumorchid: '#ba55d3',
        mediumpurple: '#9370db',
        mediumseagreen: '#3cb371',
        mediumslateblue: '#7b68ee',
        mediumspringgreen: '#00fa9a',
        mediumturquoise: '#48d1cc',
        mediumvioletred: '#c71585',
        midnightblue: '#191970',
        mintcream: '#f5fffa',
        mistyrose: '#ffe4e1',
        moccasin: '#ffe4b5',
        navajowhite: '#ffdead',
        navy: '#000080',
        oldlace: '#fdf5e6',
        olive: '#808000',
        olivedrab: '#6b8e23',
        orange: '#ffa500',
        orangered: '#ff4500',
        orchid: '#da70d6',
        palegoldenrod: '#eee8aa',
        palegreen: '#98fb98',
        paleturquoise: '#afeeee',
        palevioletred: '#db7093',
        papayawhip: '#ffefd5',
        peachpuff: '#ffdab9',
        peru: '#cd853f',
        pink: '#ffc0cb',
        plum: '#dda0dd',
        powderblue: '#b0e0e6',
        purple: '#800080',
        purple2: '#7f007f',
        purple3: '#a020f0',
        rebeccapurple: '#663399',
        red: '#ff0000',
        rosybrown: '#bc8f8f',
        royalblue: '#4169e1',
        saddlebrown: '#8b4513',
        salmon: '#fa8072',
        sandybrown: '#f4a460',
        seagreen: '#2e8b57',
        seashell: '#fff5ee',
        sienna: '#a0522d',
        silver: '#c0c0c0',
        skyblue: '#87ceeb',
        slateblue: '#6a5acd',
        slategray: '#708090',
        slategrey: '#708090',
        snow: '#fffafa',
        springgreen: '#00ff7f',
        steelblue: '#4682b4',
        tan: '#d2b48c',
        teal: '#008080',
        thistle: '#d8bfd8',
        tomato: '#ff6347',
        turquoise: '#40e0d0',
        violet: '#ee82ee',
        wheat: '#f5deb3',
        white: '#ffffff',
        whitesmoke: '#f5f5f5',
        yellow: '#ffff00',
        yellowgreen: '#9acd32'
    };

    var w3cx11_1 = w3cx11;

    var type$b = utils.type;





    Color_1.prototype.name = function() {
        var hex = rgb2hex_1(this._rgb, 'rgb');
        for (var i = 0, list = Object.keys(w3cx11_1); i < list.length; i += 1) {
            var n = list[i];

            if (w3cx11_1[n] === hex) { return n.toLowerCase(); }
        }
        return hex;
    };

    input.format.named = function (name) {
        name = name.toLowerCase();
        if (w3cx11_1[name]) { return hex2rgb_1(w3cx11_1[name]); }
        throw new Error('unknown color name: '+name);
    };

    input.autodetect.push({
        p: 5,
        test: function (h) {
            var rest = [], len = arguments.length - 1;
            while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ];

            if (!rest.length && type$b(h) === 'string' && w3cx11_1[h.toLowerCase()]) {
                return 'named';
            }
        }
    });

    var unpack$t = utils.unpack;

    var rgb2num = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var ref = unpack$t(args, 'rgb');
        var r = ref[0];
        var g = ref[1];
        var b = ref[2];
        return (r << 16) + (g << 8) + b;
    };

    var rgb2num_1 = rgb2num;

    var type$c = utils.type;

    var num2rgb = function (num) {
        if (type$c(num) == "number" && num >= 0 && num <= 0xFFFFFF) {
            var r = num >> 16;
            var g = (num >> 8) & 0xFF;
            var b = num & 0xFF;
            return [r,g,b,1];
        }
        throw new Error("unknown num color: "+num);
    };

    var num2rgb_1 = num2rgb;

    var type$d = utils.type;



    Color_1.prototype.num = function() {
        return rgb2num_1(this._rgb);
    };

    chroma_1.num = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['num']) ));
    };

    input.format.num = num2rgb_1;

    input.autodetect.push({
        p: 5,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            if (args.length === 1 && type$d(args[0]) === 'number' && args[0] >= 0 && args[0] <= 0xFFFFFF) {
                return 'num';
            }
        }
    });

    var unpack$u = utils.unpack;
    var type$e = utils.type;
    var round$5 = Math.round;

    Color_1.prototype.rgb = function(rnd) {
        if ( rnd === void 0 ) rnd=true;

        if (rnd === false) { return this._rgb.slice(0,3); }
        return this._rgb.slice(0,3).map(round$5);
    };

    Color_1.prototype.rgba = function(rnd) {
        if ( rnd === void 0 ) rnd=true;

        return this._rgb.slice(0,4).map(function (v,i) {
            return i<3 ? (rnd === false ? v : round$5(v)) : v;
        });
    };

    chroma_1.rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['rgb']) ));
    };

    input.format.rgb = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var rgba = unpack$u(args, 'rgba');
        if (rgba[3] === undefined) { rgba[3] = 1; }
        return rgba;
    };

    input.autodetect.push({
        p: 3,
        test: function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

            args = unpack$u(args, 'rgba');
            if (type$e(args) === 'array' && (args.length === 3 ||
                args.length === 4 && type$e(args[3]) == 'number' && args[3] >= 0 && args[3] <= 1)) {
                return 'rgb';
            }
        }
    });

    /*
     * Based on implementation by Neil Bartlett
     * https://github.com/neilbartlett/color-temperature
     */

    var log = Math.log;

    var temperature2rgb = function (kelvin) {
        var temp = kelvin / 100;
        var r,g,b;
        if (temp < 66) {
            r = 255;
            g = -155.25485562709179 - 0.44596950469579133 * (g = temp-2) + 104.49216199393888 * log(g);
            b = temp < 20 ? 0 : -254.76935184120902 + 0.8274096064007395 * (b = temp-10) + 115.67994401066147 * log(b);
        } else {
            r = 351.97690566805693 + 0.114206453784165 * (r = temp-55) - 40.25366309332127 * log(r);
            g = 325.4494125711974 + 0.07943456536662342 * (g = temp-50) - 28.0852963507957 * log(g);
            b = 255;
        }
        return [r,g,b,1];
    };

    var temperature2rgb_1 = temperature2rgb;

    /*
     * Based on implementation by Neil Bartlett
     * https://github.com/neilbartlett/color-temperature
     **/


    var unpack$v = utils.unpack;
    var round$6 = Math.round;

    var rgb2temperature = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        var rgb = unpack$v(args, 'rgb');
        var r = rgb[0], b = rgb[2];
        var minTemp = 1000;
        var maxTemp = 40000;
        var eps = 0.4;
        var temp;
        while (maxTemp - minTemp > eps) {
            temp = (maxTemp + minTemp) * 0.5;
            var rgb$1 = temperature2rgb_1(temp);
            if ((rgb$1[2] / rgb$1[0]) >= (b / r)) {
                maxTemp = temp;
            } else {
                minTemp = temp;
            }
        }
        return round$6(temp);
    };

    var rgb2temperature_1 = rgb2temperature;

    Color_1.prototype.temp =
    Color_1.prototype.kelvin =
    Color_1.prototype.temperature = function() {
        return rgb2temperature_1(this._rgb);
    };

    chroma_1.temp =
    chroma_1.kelvin =
    chroma_1.temperature = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        return new (Function.prototype.bind.apply( Color_1, [ null ].concat( args, ['temp']) ));
    };

    input.format.temp =
    input.format.kelvin =
    input.format.temperature = temperature2rgb_1;

    var type$f = utils.type;

    Color_1.prototype.alpha = function(a, mutate) {
        if ( mutate === void 0 ) mutate=false;

        if (a !== undefined && type$f(a) === 'number') {
            if (mutate) {
                this._rgb[3] = a;
                return this;
            }
            return new Color_1([this._rgb[0], this._rgb[1], this._rgb[2], a], 'rgb');
        }
        return this._rgb[3];
    };

    Color_1.prototype.clipped = function() {
        return this._rgb._clipped || false;
    };

    Color_1.prototype.darken = function(amount) {
    	if ( amount === void 0 ) amount=1;

    	var me = this;
    	var lab = me.lab();
    	lab[0] -= labConstants.Kn * amount;
    	return new Color_1(lab, 'lab').alpha(me.alpha(), true);
    };

    Color_1.prototype.brighten = function(amount) {
    	if ( amount === void 0 ) amount=1;

    	return this.darken(-amount);
    };

    Color_1.prototype.darker = Color_1.prototype.darken;
    Color_1.prototype.brighter = Color_1.prototype.brighten;

    Color_1.prototype.get = function(mc) {
        var ref = mc.split('.');
        var mode = ref[0];
        var channel = ref[1];
        var src = this[mode]();
        if (channel) {
            var i = mode.indexOf(channel);
            if (i > -1) { return src[i]; }
            throw new Error(("unknown channel " + channel + " in mode " + mode));
        } else {
            return src;
        }
    };

    var type$g = utils.type;
    var pow$2 = Math.pow;

    var EPS = 1e-7;
    var MAX_ITER = 20;

    Color_1.prototype.luminance = function(lum) {
        if (lum !== undefined && type$g(lum) === 'number') {
            if (lum === 0) {
                // return pure black
                return new Color_1([0,0,0,this._rgb[3]], 'rgb');
            }
            if (lum === 1) {
                // return pure white
                return new Color_1([255,255,255,this._rgb[3]], 'rgb');
            }
            // compute new color using...
            var cur_lum = this.luminance();
            var mode = 'rgb';
            var max_iter = MAX_ITER;

            var test = function (low, high) {
                var mid = low.interpolate(high, 0.5, mode);
                var lm = mid.luminance();
                if (Math.abs(lum - lm) < EPS || !max_iter--) {
                    // close enough
                    return mid;
                }
                return lm > lum ? test(low, mid) : test(mid, high);
            };

            var rgb = (cur_lum > lum ? test(new Color_1([0,0,0]), this) : test(this, new Color_1([255,255,255]))).rgb();
            return new Color_1(rgb.concat( [this._rgb[3]]));
        }
        return rgb2luminance.apply(void 0, (this._rgb).slice(0,3));
    };


    var rgb2luminance = function (r,g,b) {
        // relative luminance
        // see http://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef
        r = luminance_x(r);
        g = luminance_x(g);
        b = luminance_x(b);
        return 0.2126 * r + 0.7152 * g + 0.0722 * b;
    };

    var luminance_x = function (x) {
        x /= 255;
        return x <= 0.03928 ? x/12.92 : pow$2((x+0.055)/1.055, 2.4);
    };

    var interpolator = {};

    var type$h = utils.type;


    var mix = function (col1, col2, f) {
        if ( f === void 0 ) f=0.5;
        var rest = [], len = arguments.length - 3;
        while ( len-- > 0 ) rest[ len ] = arguments[ len + 3 ];

        var mode = rest[0] || 'lrgb';
        if (!interpolator[mode] && !rest.length) {
            // fall back to the first supported mode
            mode = Object.keys(interpolator)[0];
        }
        if (!interpolator[mode]) {
            throw new Error(("interpolation mode " + mode + " is not defined"));
        }
        if (type$h(col1) !== 'object') { col1 = new Color_1(col1); }
        if (type$h(col2) !== 'object') { col2 = new Color_1(col2); }
        return interpolator[mode](col1, col2, f)
            .alpha(col1.alpha() + f * (col2.alpha() - col1.alpha()));
    };

    Color_1.prototype.mix =
    Color_1.prototype.interpolate = function(col2, f) {
    	if ( f === void 0 ) f=0.5;
    	var rest = [], len = arguments.length - 2;
    	while ( len-- > 0 ) rest[ len ] = arguments[ len + 2 ];

    	return mix.apply(void 0, [ this, col2, f ].concat( rest ));
    };

    Color_1.prototype.premultiply = function(mutate) {
    	if ( mutate === void 0 ) mutate=false;

    	var rgb = this._rgb;
    	var a = rgb[3];
    	if (mutate) {
    		this._rgb = [rgb[0]*a, rgb[1]*a, rgb[2]*a, a];
    		return this;
    	} else {
    		return new Color_1([rgb[0]*a, rgb[1]*a, rgb[2]*a, a], 'rgb');
    	}
    };

    Color_1.prototype.saturate = function(amount) {
    	if ( amount === void 0 ) amount=1;

    	var me = this;
    	var lch = me.lch();
    	lch[1] += labConstants.Kn * amount;
    	if (lch[1] < 0) { lch[1] = 0; }
    	return new Color_1(lch, 'lch').alpha(me.alpha(), true);
    };

    Color_1.prototype.desaturate = function(amount) {
    	if ( amount === void 0 ) amount=1;

    	return this.saturate(-amount);
    };

    var type$i = utils.type;

    Color_1.prototype.set = function(mc, value, mutate) {
        if ( mutate === void 0 ) mutate=false;

        var ref = mc.split('.');
        var mode = ref[0];
        var channel = ref[1];
        var src = this[mode]();
        if (channel) {
            var i = mode.indexOf(channel);
            if (i > -1) {
                if (type$i(value) == 'string') {
                    switch(value.charAt(0)) {
                        case '+': src[i] += +value; break;
                        case '-': src[i] += +value; break;
                        case '*': src[i] *= +(value.substr(1)); break;
                        case '/': src[i] /= +(value.substr(1)); break;
                        default: src[i] = +value;
                    }
                } else if (type$i(value) === 'number') {
                    src[i] = value;
                } else {
                    throw new Error("unsupported value for Color.set");
                }
                var out = new Color_1(src, mode);
                if (mutate) {
                    this._rgb = out._rgb;
                    return this;
                }
                return out;
            }
            throw new Error(("unknown channel " + channel + " in mode " + mode));
        } else {
            return src;
        }
    };

    var rgb$1 = function (col1, col2, f) {
        var xyz0 = col1._rgb;
        var xyz1 = col2._rgb;
        return new Color_1(
            xyz0[0] + f * (xyz1[0]-xyz0[0]),
            xyz0[1] + f * (xyz1[1]-xyz0[1]),
            xyz0[2] + f * (xyz1[2]-xyz0[2]),
            'rgb'
        )
    };

    // register interpolator
    interpolator.rgb = rgb$1;

    var sqrt$2 = Math.sqrt;
    var pow$3 = Math.pow;

    var lrgb = function (col1, col2, f) {
        var ref = col1._rgb;
        var x1 = ref[0];
        var y1 = ref[1];
        var z1 = ref[2];
        var ref$1 = col2._rgb;
        var x2 = ref$1[0];
        var y2 = ref$1[1];
        var z2 = ref$1[2];
        return new Color_1(
            sqrt$2(pow$3(x1,2) * (1-f) + pow$3(x2,2) * f),
            sqrt$2(pow$3(y1,2) * (1-f) + pow$3(y2,2) * f),
            sqrt$2(pow$3(z1,2) * (1-f) + pow$3(z2,2) * f),
            'rgb'
        )
    };

    // register interpolator
    interpolator.lrgb = lrgb;

    var lab$1 = function (col1, col2, f) {
        var xyz0 = col1.lab();
        var xyz1 = col2.lab();
        return new Color_1(
            xyz0[0] + f * (xyz1[0]-xyz0[0]),
            xyz0[1] + f * (xyz1[1]-xyz0[1]),
            xyz0[2] + f * (xyz1[2]-xyz0[2]),
            'lab'
        )
    };

    // register interpolator
    interpolator.lab = lab$1;

    var _hsx = function (col1, col2, f, m) {
        var assign, assign$1;

        var xyz0, xyz1;
        if (m === 'hsl') {
            xyz0 = col1.hsl();
            xyz1 = col2.hsl();
        } else if (m === 'hsv') {
            xyz0 = col1.hsv();
            xyz1 = col2.hsv();
        } else if (m === 'hcg') {
            xyz0 = col1.hcg();
            xyz1 = col2.hcg();
        } else if (m === 'hsi') {
            xyz0 = col1.hsi();
            xyz1 = col2.hsi();
        } else if (m === 'lch' || m === 'hcl') {
            m = 'hcl';
            xyz0 = col1.hcl();
            xyz1 = col2.hcl();
        }

        var hue0, hue1, sat0, sat1, lbv0, lbv1;
        if (m.substr(0, 1) === 'h') {
            (assign = xyz0, hue0 = assign[0], sat0 = assign[1], lbv0 = assign[2]);
            (assign$1 = xyz1, hue1 = assign$1[0], sat1 = assign$1[1], lbv1 = assign$1[2]);
        }

        var sat, hue, lbv, dh;

        if (!isNaN(hue0) && !isNaN(hue1)) {
            // both colors have hue
            if (hue1 > hue0 && hue1 - hue0 > 180) {
                dh = hue1-(hue0+360);
            } else if (hue1 < hue0 && hue0 - hue1 > 180) {
                dh = hue1+360-hue0;
            } else {
                dh = hue1 - hue0;
            }
            hue = hue0 + f * dh;
        } else if (!isNaN(hue0)) {
            hue = hue0;
            if ((lbv1 == 1 || lbv1 == 0) && m != 'hsv') { sat = sat0; }
        } else if (!isNaN(hue1)) {
            hue = hue1;
            if ((lbv0 == 1 || lbv0 == 0) && m != 'hsv') { sat = sat1; }
        } else {
            hue = Number.NaN;
        }

        if (sat === undefined) { sat = sat0 + f * (sat1 - sat0); }
        lbv = lbv0 + f * (lbv1-lbv0);
        return new Color_1([hue, sat, lbv], m);
    };

    var lch$1 = function (col1, col2, f) {
    	return _hsx(col1, col2, f, 'lch');
    };

    // register interpolator
    interpolator.lch = lch$1;
    interpolator.hcl = lch$1;

    var num$1 = function (col1, col2, f) {
        var c1 = col1.num();
        var c2 = col2.num();
        return new Color_1(c1 + f * (c2-c1), 'num')
    };

    // register interpolator
    interpolator.num = num$1;

    var hcg$1 = function (col1, col2, f) {
    	return _hsx(col1, col2, f, 'hcg');
    };

    // register interpolator
    interpolator.hcg = hcg$1;

    var hsi$1 = function (col1, col2, f) {
    	return _hsx(col1, col2, f, 'hsi');
    };

    // register interpolator
    interpolator.hsi = hsi$1;

    var hsl$1 = function (col1, col2, f) {
    	return _hsx(col1, col2, f, 'hsl');
    };

    // register interpolator
    interpolator.hsl = hsl$1;

    var hsv$1 = function (col1, col2, f) {
    	return _hsx(col1, col2, f, 'hsv');
    };

    // register interpolator
    interpolator.hsv = hsv$1;

    var clip_rgb$2 = utils.clip_rgb;
    var pow$4 = Math.pow;
    var sqrt$3 = Math.sqrt;
    var PI$1 = Math.PI;
    var cos$2 = Math.cos;
    var sin$1 = Math.sin;
    var atan2$1 = Math.atan2;

    var average = function (colors, mode, weights) {
        if ( mode === void 0 ) mode='lrgb';
        if ( weights === void 0 ) weights=null;

        var l = colors.length;
        if (!weights) { weights = Array.from(new Array(l)).map(function () { return 1; }); }
        // normalize weights
        var k = l / weights.reduce(function(a, b) { return a + b; });
        weights.forEach(function (w,i) { weights[i] *= k; });
        // convert colors to Color objects
        colors = colors.map(function (c) { return new Color_1(c); });
        if (mode === 'lrgb') {
            return _average_lrgb(colors, weights)
        }
        var first = colors.shift();
        var xyz = first.get(mode);
        var cnt = [];
        var dx = 0;
        var dy = 0;
        // initial color
        for (var i=0; i<xyz.length; i++) {
            xyz[i] = (xyz[i] || 0) * weights[0];
            cnt.push(isNaN(xyz[i]) ? 0 : weights[0]);
            if (mode.charAt(i) === 'h' && !isNaN(xyz[i])) {
                var A = xyz[i] / 180 * PI$1;
                dx += cos$2(A) * weights[0];
                dy += sin$1(A) * weights[0];
            }
        }

        var alpha = first.alpha() * weights[0];
        colors.forEach(function (c,ci) {
            var xyz2 = c.get(mode);
            alpha += c.alpha() * weights[ci+1];
            for (var i=0; i<xyz.length; i++) {
                if (!isNaN(xyz2[i])) {
                    cnt[i] += weights[ci+1];
                    if (mode.charAt(i) === 'h') {
                        var A = xyz2[i] / 180 * PI$1;
                        dx += cos$2(A) * weights[ci+1];
                        dy += sin$1(A) * weights[ci+1];
                    } else {
                        xyz[i] += xyz2[i] * weights[ci+1];
                    }
                }
            }
        });

        for (var i$1=0; i$1<xyz.length; i$1++) {
            if (mode.charAt(i$1) === 'h') {
                var A$1 = atan2$1(dy / cnt[i$1], dx / cnt[i$1]) / PI$1 * 180;
                while (A$1 < 0) { A$1 += 360; }
                while (A$1 >= 360) { A$1 -= 360; }
                xyz[i$1] = A$1;
            } else {
                xyz[i$1] = xyz[i$1]/cnt[i$1];
            }
        }
        alpha /= l;
        return (new Color_1(xyz, mode)).alpha(alpha > 0.99999 ? 1 : alpha, true);
    };


    var _average_lrgb = function (colors, weights) {
        var l = colors.length;
        var xyz = [0,0,0,0];
        for (var i=0; i < colors.length; i++) {
            var col = colors[i];
            var f = weights[i] / l;
            var rgb = col._rgb;
            xyz[0] += pow$4(rgb[0],2) * f;
            xyz[1] += pow$4(rgb[1],2) * f;
            xyz[2] += pow$4(rgb[2],2) * f;
            xyz[3] += rgb[3] * f;
        }
        xyz[0] = sqrt$3(xyz[0]);
        xyz[1] = sqrt$3(xyz[1]);
        xyz[2] = sqrt$3(xyz[2]);
        if (xyz[3] > 0.9999999) { xyz[3] = 1; }
        return new Color_1(clip_rgb$2(xyz));
    };

    // minimal multi-purpose interface

    // @requires utils color analyze


    var type$j = utils.type;

    var pow$5 = Math.pow;

    var scale = function(colors) {

        // constructor
        var _mode = 'rgb';
        var _nacol = chroma_1('#ccc');
        var _spread = 0;
        // const _fixed = false;
        var _domain = [0, 1];
        var _pos = [];
        var _padding = [0,0];
        var _classes = false;
        var _colors = [];
        var _out = false;
        var _min = 0;
        var _max = 1;
        var _correctLightness = false;
        var _colorCache = {};
        var _useCache = true;
        var _gamma = 1;

        // private methods

        var setColors = function(colors) {
            colors = colors || ['#fff', '#000'];
            if (colors && type$j(colors) === 'string' && chroma_1.brewer &&
                chroma_1.brewer[colors.toLowerCase()]) {
                colors = chroma_1.brewer[colors.toLowerCase()];
            }
            if (type$j(colors) === 'array') {
                // handle single color
                if (colors.length === 1) {
                    colors = [colors[0], colors[0]];
                }
                // make a copy of the colors
                colors = colors.slice(0);
                // convert to chroma classes
                for (var c=0; c<colors.length; c++) {
                    colors[c] = chroma_1(colors[c]);
                }
                // auto-fill color position
                _pos.length = 0;
                for (var c$1=0; c$1<colors.length; c$1++) {
                    _pos.push(c$1/(colors.length-1));
                }
            }
            resetCache();
            return _colors = colors;
        };

        var getClass = function(value) {
            if (_classes != null) {
                var n = _classes.length-1;
                var i = 0;
                while (i < n && value >= _classes[i]) {
                    i++;
                }
                return i-1;
            }
            return 0;
        };

        var tMapLightness = function (t) { return t; };
        var tMapDomain = function (t) { return t; };

        // const classifyValue = function(value) {
        //     let val = value;
        //     if (_classes.length > 2) {
        //         const n = _classes.length-1;
        //         const i = getClass(value);
        //         const minc = _classes[0] + ((_classes[1]-_classes[0]) * (0 + (_spread * 0.5)));  // center of 1st class
        //         const maxc = _classes[n-1] + ((_classes[n]-_classes[n-1]) * (1 - (_spread * 0.5)));  // center of last class
        //         val = _min + ((((_classes[i] + ((_classes[i+1] - _classes[i]) * 0.5)) - minc) / (maxc-minc)) * (_max - _min));
        //     }
        //     return val;
        // };

        var getColor = function(val, bypassMap) {
            var col, t;
            if (bypassMap == null) { bypassMap = false; }
            if (isNaN(val) || (val === null)) { return _nacol; }
            if (!bypassMap) {
                if (_classes && (_classes.length > 2)) {
                    // find the class
                    var c = getClass(val);
                    t = c / (_classes.length-2);
                } else if (_max !== _min) {
                    // just interpolate between min/max
                    t = (val - _min) / (_max - _min);
                } else {
                    t = 1;
                }
            } else {
                t = val;
            }

            // domain map
            t = tMapDomain(t);

            if (!bypassMap) {
                t = tMapLightness(t);  // lightness correction
            }

            if (_gamma !== 1) { t = pow$5(t, _gamma); }

            t = _padding[0] + (t * (1 - _padding[0] - _padding[1]));

            t = Math.min(1, Math.max(0, t));

            var k = Math.floor(t * 10000);

            if (_useCache && _colorCache[k]) {
                col = _colorCache[k];
            } else {
                if (type$j(_colors) === 'array') {
                    //for i in [0.._pos.length-1]
                    for (var i=0; i<_pos.length; i++) {
                        var p = _pos[i];
                        if (t <= p) {
                            col = _colors[i];
                            break;
                        }
                        if ((t >= p) && (i === (_pos.length-1))) {
                            col = _colors[i];
                            break;
                        }
                        if (t > p && t < _pos[i+1]) {
                            t = (t-p)/(_pos[i+1]-p);
                            col = chroma_1.interpolate(_colors[i], _colors[i+1], t, _mode);
                            break;
                        }
                    }
                } else if (type$j(_colors) === 'function') {
                    col = _colors(t);
                }
                if (_useCache) { _colorCache[k] = col; }
            }
            return col;
        };

        var resetCache = function () { return _colorCache = {}; };

        setColors(colors);

        // public interface

        var f = function(v) {
            var c = chroma_1(getColor(v));
            if (_out && c[_out]) { return c[_out](); } else { return c; }
        };

        f.classes = function(classes) {
            if (classes != null) {
                if (type$j(classes) === 'array') {
                    _classes = classes;
                    _domain = [classes[0], classes[classes.length-1]];
                } else {
                    var d = chroma_1.analyze(_domain);
                    if (classes === 0) {
                        _classes = [d.min, d.max];
                    } else {
                        _classes = chroma_1.limits(d, 'e', classes);
                    }
                }
                return f;
            }
            return _classes;
        };


        f.domain = function(domain) {
            if (!arguments.length) {
                return _domain;
            }
            _min = domain[0];
            _max = domain[domain.length-1];
            _pos = [];
            var k = _colors.length;
            if ((domain.length === k) && (_min !== _max)) {
                // update positions
                for (var i = 0, list = Array.from(domain); i < list.length; i += 1) {
                    var d = list[i];

                  _pos.push((d-_min) / (_max-_min));
                }
            } else {
                for (var c=0; c<k; c++) {
                    _pos.push(c/(k-1));
                }
                if (domain.length > 2) {
                    // set domain map
                    var tOut = domain.map(function (d,i) { return i/(domain.length-1); });
                    var tBreaks = domain.map(function (d) { return (d - _min) / (_max - _min); });
                    if (!tBreaks.every(function (val, i) { return tOut[i] === val; })) {
                        tMapDomain = function (t) {
                            if (t <= 0 || t >= 1) { return t; }
                            var i = 0;
                            while (t >= tBreaks[i+1]) { i++; }
                            var f = (t - tBreaks[i]) / (tBreaks[i+1] - tBreaks[i]);
                            var out = tOut[i] + f * (tOut[i+1] - tOut[i]);
                            return out;
                        };
                    }

                }
            }
            _domain = [_min, _max];
            return f;
        };

        f.mode = function(_m) {
            if (!arguments.length) {
                return _mode;
            }
            _mode = _m;
            resetCache();
            return f;
        };

        f.range = function(colors, _pos) {
            setColors(colors);
            return f;
        };

        f.out = function(_o) {
            _out = _o;
            return f;
        };

        f.spread = function(val) {
            if (!arguments.length) {
                return _spread;
            }
            _spread = val;
            return f;
        };

        f.correctLightness = function(v) {
            if (v == null) { v = true; }
            _correctLightness = v;
            resetCache();
            if (_correctLightness) {
                tMapLightness = function(t) {
                    var L0 = getColor(0, true).lab()[0];
                    var L1 = getColor(1, true).lab()[0];
                    var pol = L0 > L1;
                    var L_actual = getColor(t, true).lab()[0];
                    var L_ideal = L0 + ((L1 - L0) * t);
                    var L_diff = L_actual - L_ideal;
                    var t0 = 0;
                    var t1 = 1;
                    var max_iter = 20;
                    while ((Math.abs(L_diff) > 1e-2) && (max_iter-- > 0)) {
                        (function() {
                            if (pol) { L_diff *= -1; }
                            if (L_diff < 0) {
                                t0 = t;
                                t += (t1 - t) * 0.5;
                            } else {
                                t1 = t;
                                t += (t0 - t) * 0.5;
                            }
                            L_actual = getColor(t, true).lab()[0];
                            return L_diff = L_actual - L_ideal;
                        })();
                    }
                    return t;
                };
            } else {
                tMapLightness = function (t) { return t; };
            }
            return f;
        };

        f.padding = function(p) {
            if (p != null) {
                if (type$j(p) === 'number') {
                    p = [p,p];
                }
                _padding = p;
                return f;
            } else {
                return _padding;
            }
        };

        f.colors = function(numColors, out) {
            // If no arguments are given, return the original colors that were provided
            if (arguments.length < 2) { out = 'hex'; }
            var result = [];

            if (arguments.length === 0) {
                result = _colors.slice(0);

            } else if (numColors === 1) {
                result = [f(0.5)];

            } else if (numColors > 1) {
                var dm = _domain[0];
                var dd = _domain[1] - dm;
                result = __range__(0, numColors, false).map(function (i) { return f( dm + ((i/(numColors-1)) * dd) ); });

            } else { // returns all colors based on the defined classes
                colors = [];
                var samples = [];
                if (_classes && (_classes.length > 2)) {
                    for (var i = 1, end = _classes.length, asc = 1 <= end; asc ? i < end : i > end; asc ? i++ : i--) {
                        samples.push((_classes[i-1]+_classes[i])*0.5);
                    }
                } else {
                    samples = _domain;
                }
                result = samples.map(function (v) { return f(v); });
            }

            if (chroma_1[out]) {
                result = result.map(function (c) { return c[out](); });
            }
            return result;
        };

        f.cache = function(c) {
            if (c != null) {
                _useCache = c;
                return f;
            } else {
                return _useCache;
            }
        };

        f.gamma = function(g) {
            if (g != null) {
                _gamma = g;
                return f;
            } else {
                return _gamma;
            }
        };

        f.nodata = function(d) {
            if (d != null) {
                _nacol = chroma_1(d);
                return f;
            } else {
                return _nacol;
            }
        };

        return f;
    };

    function __range__(left, right, inclusive) {
      var range = [];
      var ascending = left < right;
      var end = !inclusive ? right : ascending ? right + 1 : right - 1;
      for (var i = left; ascending ? i < end : i > end; ascending ? i++ : i--) {
        range.push(i);
      }
      return range;
    }

    //
    // interpolates between a set of colors uzing a bezier spline
    //

    // @requires utils lab




    var bezier = function(colors) {
        var assign, assign$1, assign$2;

        var I, lab0, lab1, lab2;
        colors = colors.map(function (c) { return new Color_1(c); });
        if (colors.length === 2) {
            // linear interpolation
            (assign = colors.map(function (c) { return c.lab(); }), lab0 = assign[0], lab1 = assign[1]);
            I = function(t) {
                var lab = ([0, 1, 2].map(function (i) { return lab0[i] + (t * (lab1[i] - lab0[i])); }));
                return new Color_1(lab, 'lab');
            };
        } else if (colors.length === 3) {
            // quadratic bezier interpolation
            (assign$1 = colors.map(function (c) { return c.lab(); }), lab0 = assign$1[0], lab1 = assign$1[1], lab2 = assign$1[2]);
            I = function(t) {
                var lab = ([0, 1, 2].map(function (i) { return ((1-t)*(1-t) * lab0[i]) + (2 * (1-t) * t * lab1[i]) + (t * t * lab2[i]); }));
                return new Color_1(lab, 'lab');
            };
        } else if (colors.length === 4) {
            // cubic bezier interpolation
            var lab3;
            (assign$2 = colors.map(function (c) { return c.lab(); }), lab0 = assign$2[0], lab1 = assign$2[1], lab2 = assign$2[2], lab3 = assign$2[3]);
            I = function(t) {
                var lab = ([0, 1, 2].map(function (i) { return ((1-t)*(1-t)*(1-t) * lab0[i]) + (3 * (1-t) * (1-t) * t * lab1[i]) + (3 * (1-t) * t * t * lab2[i]) + (t*t*t * lab3[i]); }));
                return new Color_1(lab, 'lab');
            };
        } else if (colors.length === 5) {
            var I0 = bezier(colors.slice(0, 3));
            var I1 = bezier(colors.slice(2, 5));
            I = function(t) {
                if (t < 0.5) {
                    return I0(t*2);
                } else {
                    return I1((t-0.5)*2);
                }
            };
        }
        return I;
    };

    var bezier_1 = function (colors) {
        var f = bezier(colors);
        f.scale = function () { return scale(f); };
        return f;
    };

    /*
     * interpolates between a set of colors uzing a bezier spline
     * blend mode formulas taken from http://www.venture-ware.com/kevin/coding/lets-learn-math-photoshop-blend-modes/
     */




    var blend = function (bottom, top, mode) {
        if (!blend[mode]) {
            throw new Error('unknown blend mode ' + mode);
        }
        return blend[mode](bottom, top);
    };

    var blend_f = function (f) { return function (bottom,top) {
            var c0 = chroma_1(top).rgb();
            var c1 = chroma_1(bottom).rgb();
            return chroma_1.rgb(f(c0, c1));
        }; };

    var each = function (f) { return function (c0, c1) {
            var out = [];
            out[0] = f(c0[0], c1[0]);
            out[1] = f(c0[1], c1[1]);
            out[2] = f(c0[2], c1[2]);
            return out;
        }; };

    var normal = function (a) { return a; };
    var multiply = function (a,b) { return a * b / 255; };
    var darken$1 = function (a,b) { return a > b ? b : a; };
    var lighten = function (a,b) { return a > b ? a : b; };
    var screen = function (a,b) { return 255 * (1 - (1-a/255) * (1-b/255)); };
    var overlay = function (a,b) { return b < 128 ? 2 * a * b / 255 : 255 * (1 - 2 * (1 - a / 255 ) * ( 1 - b / 255 )); };
    var burn = function (a,b) { return 255 * (1 - (1 - b / 255) / (a/255)); };
    var dodge = function (a,b) {
        if (a === 255) { return 255; }
        a = 255 * (b / 255) / (1 - a / 255);
        return a > 255 ? 255 : a
    };

    // # add = (a,b) ->
    // #     if (a + b > 255) then 255 else a + b

    blend.normal = blend_f(each(normal));
    blend.multiply = blend_f(each(multiply));
    blend.screen = blend_f(each(screen));
    blend.overlay = blend_f(each(overlay));
    blend.darken = blend_f(each(darken$1));
    blend.lighten = blend_f(each(lighten));
    blend.dodge = blend_f(each(dodge));
    blend.burn = blend_f(each(burn));
    // blend.add = blend_f(each(add));

    var blend_1 = blend;

    // cubehelix interpolation
    // based on D.A. Green "A colour scheme for the display of astronomical intensity images"
    // http://astron-soc.in/bulletin/11June/289392011.pdf

    var type$k = utils.type;
    var clip_rgb$3 = utils.clip_rgb;
    var TWOPI$2 = utils.TWOPI;
    var pow$6 = Math.pow;
    var sin$2 = Math.sin;
    var cos$3 = Math.cos;


    var cubehelix = function(start, rotations, hue, gamma, lightness) {
        if ( start === void 0 ) start=300;
        if ( rotations === void 0 ) rotations=-1.5;
        if ( hue === void 0 ) hue=1;
        if ( gamma === void 0 ) gamma=1;
        if ( lightness === void 0 ) lightness=[0,1];

        var dh = 0, dl;
        if (type$k(lightness) === 'array') {
            dl = lightness[1] - lightness[0];
        } else {
            dl = 0;
            lightness = [lightness, lightness];
        }

        var f = function(fract) {
            var a = TWOPI$2 * (((start+120)/360) + (rotations * fract));
            var l = pow$6(lightness[0] + (dl * fract), gamma);
            var h = dh !== 0 ? hue[0] + (fract * dh) : hue;
            var amp = (h * l * (1-l)) / 2;
            var cos_a = cos$3(a);
            var sin_a = sin$2(a);
            var r = l + (amp * ((-0.14861 * cos_a) + (1.78277* sin_a)));
            var g = l + (amp * ((-0.29227 * cos_a) - (0.90649* sin_a)));
            var b = l + (amp * (+1.97294 * cos_a));
            return chroma_1(clip_rgb$3([r*255,g*255,b*255,1]));
        };

        f.start = function(s) {
            if ((s == null)) { return start; }
            start = s;
            return f;
        };

        f.rotations = function(r) {
            if ((r == null)) { return rotations; }
            rotations = r;
            return f;
        };

        f.gamma = function(g) {
            if ((g == null)) { return gamma; }
            gamma = g;
            return f;
        };

        f.hue = function(h) {
            if ((h == null)) { return hue; }
            hue = h;
            if (type$k(hue) === 'array') {
                dh = hue[1] - hue[0];
                if (dh === 0) { hue = hue[1]; }
            } else {
                dh = 0;
            }
            return f;
        };

        f.lightness = function(h) {
            if ((h == null)) { return lightness; }
            if (type$k(h) === 'array') {
                lightness = h;
                dl = h[1] - h[0];
            } else {
                lightness = [h,h];
                dl = 0;
            }
            return f;
        };

        f.scale = function () { return chroma_1.scale(f); };

        f.hue(hue);

        return f;
    };

    var digits = '0123456789abcdef';

    var floor$2 = Math.floor;
    var random = Math.random;

    var random_1 = function () {
        var code = '#';
        for (var i=0; i<6; i++) {
            code += digits.charAt(floor$2(random() * 16));
        }
        return new Color_1(code, 'hex');
    };

    var log$1 = Math.log;
    var pow$7 = Math.pow;
    var floor$3 = Math.floor;
    var abs = Math.abs;


    var analyze = function (data, key) {
        if ( key === void 0 ) key=null;

        var r = {
            min: Number.MAX_VALUE,
            max: Number.MAX_VALUE*-1,
            sum: 0,
            values: [],
            count: 0
        };
        if (type(data) === 'object') {
            data = Object.values(data);
        }
        data.forEach(function (val) {
            if (key && type(val) === 'object') { val = val[key]; }
            if (val !== undefined && val !== null && !isNaN(val)) {
                r.values.push(val);
                r.sum += val;
                if (val < r.min) { r.min = val; }
                if (val > r.max) { r.max = val; }
                r.count += 1;
            }
        });

        r.domain = [r.min, r.max];

        r.limits = function (mode, num) { return limits(r, mode, num); };

        return r;
    };


    var limits = function (data, mode, num) {
        if ( mode === void 0 ) mode='equal';
        if ( num === void 0 ) num=7;

        if (type(data) == 'array') {
            data = analyze(data);
        }
        var min = data.min;
        var max = data.max;
        var values = data.values.sort(function (a,b) { return a-b; });

        if (num === 1) { return [min,max]; }

        var limits = [];

        if (mode.substr(0,1) === 'c') { // continuous
            limits.push(min);
            limits.push(max);
        }

        if (mode.substr(0,1) === 'e') { // equal interval
            limits.push(min);
            for (var i=1; i<num; i++) {
                limits.push(min+((i/num)*(max-min)));
            }
            limits.push(max);
        }

        else if (mode.substr(0,1) === 'l') { // log scale
            if (min <= 0) {
                throw new Error('Logarithmic scales are only possible for values > 0');
            }
            var min_log = Math.LOG10E * log$1(min);
            var max_log = Math.LOG10E * log$1(max);
            limits.push(min);
            for (var i$1=1; i$1<num; i$1++) {
                limits.push(pow$7(10, min_log + ((i$1/num) * (max_log - min_log))));
            }
            limits.push(max);
        }

        else if (mode.substr(0,1) === 'q') { // quantile scale
            limits.push(min);
            for (var i$2=1; i$2<num; i$2++) {
                var p = ((values.length-1) * i$2)/num;
                var pb = floor$3(p);
                if (pb === p) {
                    limits.push(values[pb]);
                } else { // p > pb
                    var pr = p - pb;
                    limits.push((values[pb]*(1-pr)) + (values[pb+1]*pr));
                }
            }
            limits.push(max);

        }

        else if (mode.substr(0,1) === 'k') { // k-means clustering
            /*
            implementation based on
            http://code.google.com/p/figue/source/browse/trunk/figue.js#336
            simplified for 1-d input values
            */
            var cluster;
            var n = values.length;
            var assignments = new Array(n);
            var clusterSizes = new Array(num);
            var repeat = true;
            var nb_iters = 0;
            var centroids = null;

            // get seed values
            centroids = [];
            centroids.push(min);
            for (var i$3=1; i$3<num; i$3++) {
                centroids.push(min + ((i$3/num) * (max-min)));
            }
            centroids.push(max);

            while (repeat) {
                // assignment step
                for (var j=0; j<num; j++) {
                    clusterSizes[j] = 0;
                }
                for (var i$4=0; i$4<n; i$4++) {
                    var value = values[i$4];
                    var mindist = Number.MAX_VALUE;
                    var best = (void 0);
                    for (var j$1=0; j$1<num; j$1++) {
                        var dist = abs(centroids[j$1]-value);
                        if (dist < mindist) {
                            mindist = dist;
                            best = j$1;
                        }
                        clusterSizes[best]++;
                        assignments[i$4] = best;
                    }
                }

                // update centroids step
                var newCentroids = new Array(num);
                for (var j$2=0; j$2<num; j$2++) {
                    newCentroids[j$2] = null;
                }
                for (var i$5=0; i$5<n; i$5++) {
                    cluster = assignments[i$5];
                    if (newCentroids[cluster] === null) {
                        newCentroids[cluster] = values[i$5];
                    } else {
                        newCentroids[cluster] += values[i$5];
                    }
                }
                for (var j$3=0; j$3<num; j$3++) {
                    newCentroids[j$3] *= 1/clusterSizes[j$3];
                }

                // check convergence
                repeat = false;
                for (var j$4=0; j$4<num; j$4++) {
                    if (newCentroids[j$4] !== centroids[j$4]) {
                        repeat = true;
                        break;
                    }
                }

                centroids = newCentroids;
                nb_iters++;

                if (nb_iters > 200) {
                    repeat = false;
                }
            }

            // finished k-means clustering
            // the next part is borrowed from gabrielflor.it
            var kClusters = {};
            for (var j$5=0; j$5<num; j$5++) {
                kClusters[j$5] = [];
            }
            for (var i$6=0; i$6<n; i$6++) {
                cluster = assignments[i$6];
                kClusters[cluster].push(values[i$6]);
            }
            var tmpKMeansBreaks = [];
            for (var j$6=0; j$6<num; j$6++) {
                tmpKMeansBreaks.push(kClusters[j$6][0]);
                tmpKMeansBreaks.push(kClusters[j$6][kClusters[j$6].length-1]);
            }
            tmpKMeansBreaks = tmpKMeansBreaks.sort(function (a,b){ return a-b; });
            limits.push(tmpKMeansBreaks[0]);
            for (var i$7=1; i$7 < tmpKMeansBreaks.length; i$7+= 2) {
                var v = tmpKMeansBreaks[i$7];
                if (!isNaN(v) && (limits.indexOf(v) === -1)) {
                    limits.push(v);
                }
            }
        }
        return limits;
    };

    var analyze_1 = {analyze: analyze, limits: limits};

    var contrast = function (a, b) {
        // WCAG contrast ratio
        // see http://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrast-ratiodef
        a = new Color_1(a);
        b = new Color_1(b);
        var l1 = a.luminance();
        var l2 = b.luminance();
        return l1 > l2 ? (l1 + 0.05) / (l2 + 0.05) : (l2 + 0.05) / (l1 + 0.05);
    };

    var sqrt$4 = Math.sqrt;
    var atan2$2 = Math.atan2;
    var abs$1 = Math.abs;
    var cos$4 = Math.cos;
    var PI$2 = Math.PI;

    var deltaE = function(a, b, L, C) {
        if ( L === void 0 ) L=1;
        if ( C === void 0 ) C=1;

        // Delta E (CMC)
        // see http://www.brucelindbloom.com/index.html?Eqn_DeltaE_CMC.html
        a = new Color_1(a);
        b = new Color_1(b);
        var ref = Array.from(a.lab());
        var L1 = ref[0];
        var a1 = ref[1];
        var b1 = ref[2];
        var ref$1 = Array.from(b.lab());
        var L2 = ref$1[0];
        var a2 = ref$1[1];
        var b2 = ref$1[2];
        var c1 = sqrt$4((a1 * a1) + (b1 * b1));
        var c2 = sqrt$4((a2 * a2) + (b2 * b2));
        var sl = L1 < 16.0 ? 0.511 : (0.040975 * L1) / (1.0 + (0.01765 * L1));
        var sc = ((0.0638 * c1) / (1.0 + (0.0131 * c1))) + 0.638;
        var h1 = c1 < 0.000001 ? 0.0 : (atan2$2(b1, a1) * 180.0) / PI$2;
        while (h1 < 0) { h1 += 360; }
        while (h1 >= 360) { h1 -= 360; }
        var t = (h1 >= 164.0) && (h1 <= 345.0) ? (0.56 + abs$1(0.2 * cos$4((PI$2 * (h1 + 168.0)) / 180.0))) : (0.36 + abs$1(0.4 * cos$4((PI$2 * (h1 + 35.0)) / 180.0)));
        var c4 = c1 * c1 * c1 * c1;
        var f = sqrt$4(c4 / (c4 + 1900.0));
        var sh = sc * (((f * t) + 1.0) - f);
        var delL = L1 - L2;
        var delC = c1 - c2;
        var delA = a1 - a2;
        var delB = b1 - b2;
        var dH2 = ((delA * delA) + (delB * delB)) - (delC * delC);
        var v1 = delL / (L * sl);
        var v2 = delC / (C * sc);
        var v3 = sh;
        return sqrt$4((v1 * v1) + (v2 * v2) + (dH2 / (v3 * v3)));
    };

    // simple Euclidean distance
    var distance = function(a, b, mode) {
        if ( mode === void 0 ) mode='lab';

        // Delta E (CIE 1976)
        // see http://www.brucelindbloom.com/index.html?Equations.html
        a = new Color_1(a);
        b = new Color_1(b);
        var l1 = a.get(mode);
        var l2 = b.get(mode);
        var sum_sq = 0;
        for (var i in l1) {
            var d = (l1[i] || 0) - (l2[i] || 0);
            sum_sq += d*d;
        }
        return Math.sqrt(sum_sq);
    };

    var valid = function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

        try {
            new (Function.prototype.bind.apply( Color_1, [ null ].concat( args) ));
            return true;
        } catch (e) {
            return false;
        }
    };

    // some pre-defined color scales:




    var scales = {
    	cool: function cool() { return scale([chroma_1.hsl(180,1,.9), chroma_1.hsl(250,.7,.4)]) },
    	hot: function hot() { return scale(['#000','#f00','#ff0','#fff']).mode('rgb') }
    };

    /**
        ColorBrewer colors for chroma.js

        Copyright (c) 2002 Cynthia Brewer, Mark Harrower, and The
        Pennsylvania State University.

        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
        You may obtain a copy of the License at
        http://www.apache.org/licenses/LICENSE-2.0

        Unless required by applicable law or agreed to in writing, software distributed
        under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
        CONDITIONS OF ANY KIND, either express or implied. See the License for the
        specific language governing permissions and limitations under the License.
    */

    var colorbrewer = {
        // sequential
        OrRd: ['#fff7ec', '#fee8c8', '#fdd49e', '#fdbb84', '#fc8d59', '#ef6548', '#d7301f', '#b30000', '#7f0000'],
        PuBu: ['#fff7fb', '#ece7f2', '#d0d1e6', '#a6bddb', '#74a9cf', '#3690c0', '#0570b0', '#045a8d', '#023858'],
        BuPu: ['#f7fcfd', '#e0ecf4', '#bfd3e6', '#9ebcda', '#8c96c6', '#8c6bb1', '#88419d', '#810f7c', '#4d004b'],
        Oranges: ['#fff5eb', '#fee6ce', '#fdd0a2', '#fdae6b', '#fd8d3c', '#f16913', '#d94801', '#a63603', '#7f2704'],
        BuGn: ['#f7fcfd', '#e5f5f9', '#ccece6', '#99d8c9', '#66c2a4', '#41ae76', '#238b45', '#006d2c', '#00441b'],
        YlOrBr: ['#ffffe5', '#fff7bc', '#fee391', '#fec44f', '#fe9929', '#ec7014', '#cc4c02', '#993404', '#662506'],
        YlGn: ['#ffffe5', '#f7fcb9', '#d9f0a3', '#addd8e', '#78c679', '#41ab5d', '#238443', '#006837', '#004529'],
        Reds: ['#fff5f0', '#fee0d2', '#fcbba1', '#fc9272', '#fb6a4a', '#ef3b2c', '#cb181d', '#a50f15', '#67000d'],
        RdPu: ['#fff7f3', '#fde0dd', '#fcc5c0', '#fa9fb5', '#f768a1', '#dd3497', '#ae017e', '#7a0177', '#49006a'],
        Greens: ['#f7fcf5', '#e5f5e0', '#c7e9c0', '#a1d99b', '#74c476', '#41ab5d', '#238b45', '#006d2c', '#00441b'],
        YlGnBu: ['#ffffd9', '#edf8b1', '#c7e9b4', '#7fcdbb', '#41b6c4', '#1d91c0', '#225ea8', '#253494', '#081d58'],
        Purples: ['#fcfbfd', '#efedf5', '#dadaeb', '#bcbddc', '#9e9ac8', '#807dba', '#6a51a3', '#54278f', '#3f007d'],
        GnBu: ['#f7fcf0', '#e0f3db', '#ccebc5', '#a8ddb5', '#7bccc4', '#4eb3d3', '#2b8cbe', '#0868ac', '#084081'],
        Greys: ['#ffffff', '#f0f0f0', '#d9d9d9', '#bdbdbd', '#969696', '#737373', '#525252', '#252525', '#000000'],
        YlOrRd: ['#ffffcc', '#ffeda0', '#fed976', '#feb24c', '#fd8d3c', '#fc4e2a', '#e31a1c', '#bd0026', '#800026'],
        PuRd: ['#f7f4f9', '#e7e1ef', '#d4b9da', '#c994c7', '#df65b0', '#e7298a', '#ce1256', '#980043', '#67001f'],
        Blues: ['#f7fbff', '#deebf7', '#c6dbef', '#9ecae1', '#6baed6', '#4292c6', '#2171b5', '#08519c', '#08306b'],
        PuBuGn: ['#fff7fb', '#ece2f0', '#d0d1e6', '#a6bddb', '#67a9cf', '#3690c0', '#02818a', '#016c59', '#014636'],
        Viridis: ['#440154', '#482777', '#3f4a8a', '#31678e', '#26838f', '#1f9d8a', '#6cce5a', '#b6de2b', '#fee825'],

        // diverging

        Spectral: ['#9e0142', '#d53e4f', '#f46d43', '#fdae61', '#fee08b', '#ffffbf', '#e6f598', '#abdda4', '#66c2a5', '#3288bd', '#5e4fa2'],
        RdYlGn: ['#a50026', '#d73027', '#f46d43', '#fdae61', '#fee08b', '#ffffbf', '#d9ef8b', '#a6d96a', '#66bd63', '#1a9850', '#006837'],
        RdBu: ['#67001f', '#b2182b', '#d6604d', '#f4a582', '#fddbc7', '#f7f7f7', '#d1e5f0', '#92c5de', '#4393c3', '#2166ac', '#053061'],
        PiYG: ['#8e0152', '#c51b7d', '#de77ae', '#f1b6da', '#fde0ef', '#f7f7f7', '#e6f5d0', '#b8e186', '#7fbc41', '#4d9221', '#276419'],
        PRGn: ['#40004b', '#762a83', '#9970ab', '#c2a5cf', '#e7d4e8', '#f7f7f7', '#d9f0d3', '#a6dba0', '#5aae61', '#1b7837', '#00441b'],
        RdYlBu: ['#a50026', '#d73027', '#f46d43', '#fdae61', '#fee090', '#ffffbf', '#e0f3f8', '#abd9e9', '#74add1', '#4575b4', '#313695'],
        BrBG: ['#543005', '#8c510a', '#bf812d', '#dfc27d', '#f6e8c3', '#f5f5f5', '#c7eae5', '#80cdc1', '#35978f', '#01665e', '#003c30'],
        RdGy: ['#67001f', '#b2182b', '#d6604d', '#f4a582', '#fddbc7', '#ffffff', '#e0e0e0', '#bababa', '#878787', '#4d4d4d', '#1a1a1a'],
        PuOr: ['#7f3b08', '#b35806', '#e08214', '#fdb863', '#fee0b6', '#f7f7f7', '#d8daeb', '#b2abd2', '#8073ac', '#542788', '#2d004b'],

        // qualitative

        Set2: ['#66c2a5', '#fc8d62', '#8da0cb', '#e78ac3', '#a6d854', '#ffd92f', '#e5c494', '#b3b3b3'],
        Accent: ['#7fc97f', '#beaed4', '#fdc086', '#ffff99', '#386cb0', '#f0027f', '#bf5b17', '#666666'],
        Set1: ['#e41a1c', '#377eb8', '#4daf4a', '#984ea3', '#ff7f00', '#ffff33', '#a65628', '#f781bf', '#999999'],
        Set3: ['#8dd3c7', '#ffffb3', '#bebada', '#fb8072', '#80b1d3', '#fdb462', '#b3de69', '#fccde5', '#d9d9d9', '#bc80bd', '#ccebc5', '#ffed6f'],
        Dark2: ['#1b9e77', '#d95f02', '#7570b3', '#e7298a', '#66a61e', '#e6ab02', '#a6761d', '#666666'],
        Paired: ['#a6cee3', '#1f78b4', '#b2df8a', '#33a02c', '#fb9a99', '#e31a1c', '#fdbf6f', '#ff7f00', '#cab2d6', '#6a3d9a', '#ffff99', '#b15928'],
        Pastel2: ['#b3e2cd', '#fdcdac', '#cbd5e8', '#f4cae4', '#e6f5c9', '#fff2ae', '#f1e2cc', '#cccccc'],
        Pastel1: ['#fbb4ae', '#b3cde3', '#ccebc5', '#decbe4', '#fed9a6', '#ffffcc', '#e5d8bd', '#fddaec', '#f2f2f2'],
    };

    // add lowercase aliases for case-insensitive matches
    for (var i$1 = 0, list$1 = Object.keys(colorbrewer); i$1 < list$1.length; i$1 += 1) {
        var key = list$1[i$1];

        colorbrewer[key.toLowerCase()] = colorbrewer[key];
    }

    var colorbrewer_1 = colorbrewer;

    // feel free to comment out anything to rollup
    // a smaller chroma.js built

    // io --> convert colors















    // operators --> modify existing Colors










    // interpolators










    // generators -- > create new colors
    chroma_1.average = average;
    chroma_1.bezier = bezier_1;
    chroma_1.blend = blend_1;
    chroma_1.cubehelix = cubehelix;
    chroma_1.mix = chroma_1.interpolate = mix;
    chroma_1.random = random_1;
    chroma_1.scale = scale;

    // other utility methods
    chroma_1.analyze = analyze_1.analyze;
    chroma_1.contrast = contrast;
    chroma_1.deltaE = deltaE;
    chroma_1.distance = distance;
    chroma_1.limits = analyze_1.limits;
    chroma_1.valid = valid;

    // scale
    chroma_1.scales = scales;

    // colors
    chroma_1.colors = w3cx11_1;
    chroma_1.brewer = colorbrewer_1;

    var chroma_js = chroma_1;

    return chroma_js;

})));
});

function generateColorVariables(key, format, colorStr, opacity, altFormats = []) {
    const parsedColor = chroma(colorStr);
    const alts = altFormats.reduce((a, alt) => {
        a.push(...generateColorVariables(alt.id, alt.format, colorStr, opacity));
        return a;
    }, []);
    switch (format) {
        case 'hex':
            return [{ key, value: colorStr }, ...alts];
        case 'hsl':
            return [
                {
                    key,
                    value: parsedColor.css('hsl'),
                },
                ...alts,
            ];
        case 'hsl-values': {
            const hsl = parsedColor.hsl();
            const alpha = opacity ? `,${parsedColor.alpha()}` : '';
            const h = isNaN(hsl[0]) ? 0 : hsl[0];
            return [
                {
                    key,
                    value: `${h},${hsl[1] * 100}%,${hsl[2] * 100}%${alpha}`,
                },
                ...alts,
            ];
        }
        case 'hsl-split': {
            const hsl = parsedColor.hsl();
            const h = isNaN(hsl[0]) ? 0 : hsl[0];
            const out = [
                {
                    key: `${key}-h`,
                    value: h.toString(),
                },
                {
                    key: `${key}-s`,
                    value: (hsl[1] * 100).toString() + '%',
                },
                {
                    key: `${key}-l`,
                    value: (hsl[2] * 100).toString() + '%',
                },
                ...alts,
            ];
            if (opacity)
                out.push({
                    key: `${key}-a`,
                    value: parsedColor.alpha().toString(),
                });
            return out;
        }
        case 'hsl-split-decimal': {
            const hsl = parsedColor.hsl();
            const h = isNaN(hsl[0]) ? 0 : hsl[0];
            const out = [
                {
                    key: `${key}-h`,
                    value: h.toString(),
                },
                {
                    key: `${key}-s`,
                    value: hsl[1].toString(),
                },
                {
                    key: `${key}-l`,
                    value: hsl[2].toString(),
                },
                ...alts,
            ];
            if (opacity)
                out.push({
                    key: `${key}-a`,
                    value: parsedColor.alpha().toString(),
                });
            return out;
        }
        case 'rgb':
            return [
                {
                    key,
                    value: parsedColor.css(),
                },
                ...alts,
            ];
        case 'rgb-values': {
            const rgb = parsedColor.rgb();
            const alpha = opacity ? `,${parsedColor.alpha()}` : '';
            return [
                {
                    key,
                    value: `${rgb[0]},${rgb[1]},${rgb[2]}${alpha}`,
                },
                ...alts,
            ];
        }
        case 'rgb-split': {
            const rgb = parsedColor.rgb();
            const out = [
                {
                    key: `${key}-r`,
                    value: rgb[0].toString(),
                },
                {
                    key: `${key}-g`,
                    value: rgb[1].toString(),
                },
                {
                    key: `${key}-b`,
                    value: rgb[2].toString(),
                },
                ...alts,
            ];
            if (opacity)
                out.push({
                    key: `${key}-a`,
                    value: parsedColor.alpha().toString(),
                });
            return out;
        }
    }
}
function pushColors(arr, id, from, to, format, step, pad) {
    const scale = chroma.scale([from.trim(), to.trim()]).domain([0, 100]);
    for (let i = 0; i <= 100; i++) {
        if (i % step === 0) {
            const c = scale(i);
            arr.push(...generateColorVariables(`${id}-${i.toString().padStart(pad, '0')}`, format, c.css(), c.alpha() !== 1));
        }
    }
}
function getCSSVariables(settings, config, gradients, settingsManager) {
    const vars = [];
    const themedLight = [];
    const themedDark = [];
    const gradientCandidates = {};
    const gradientCandidatesLight = {};
    const gradientCandidatesDark = {};
    const seenGradientSections = new Set();
    for (const key in settings) {
        const [sectionId, settingId, modifier] = key.split('@@');
        const section = config[sectionId];
        if (!section)
            continue;
        const setting = config[sectionId][settingId];
        if (!setting)
            continue;
        const value = settings[key];
        switch (setting.type) {
            case SettingType.VARIABLE_NUMBER:
            case SettingType.VARIABLE_NUMBER_SLIDER: {
                const format = setting
                    .format;
                const val = value !== undefined
                    ? value
                    : setting.default;
                vars.push({
                    key: setting.id,
                    value: `${val}${format || ''}`,
                });
                continue;
            }
            case SettingType.VARIABLE_TEXT:
            case SettingType.VARIABLE_SELECT: {
                const format_text = setting;
                let text = value !== undefined
                    ? value.toString()
                    : format_text.default.toString();
                if (format_text.quotes) {
                    if (text !== `""`) {
                        text = `'${text}'`;
                    }
                    else {
                        text = ``;
                    }
                }
                vars.push({
                    key: setting.id,
                    value: text,
                });
                continue;
            }
            case SettingType.VARIABLE_COLOR: {
                if (!seenGradientSections.has(sectionId))
                    seenGradientSections.add(sectionId);
                const colorSetting = setting;
                const color = value !== undefined ? value.toString() : colorSetting.default;
                vars.push(...generateColorVariables(setting.id, colorSetting.format, color, colorSetting.opacity, colorSetting['alt-format']));
                generateColorVariables(setting.id, 'rgb', color, colorSetting.opacity).forEach((kv) => {
                    gradientCandidates[kv.key] = kv.value;
                });
                continue;
            }
            case SettingType.VARIABLE_THEMED_COLOR: {
                if (!seenGradientSections.has(sectionId))
                    seenGradientSections.add(sectionId);
                const colorSetting = setting;
                const colorKey = modifier === 'light' ? 'default-light' : 'default-dark';
                const color = value !== undefined ? value.toString() : colorSetting[colorKey];
                (modifier === 'light' ? themedLight : themedDark).push(...generateColorVariables(setting.id, colorSetting.format, color, colorSetting.opacity, colorSetting['alt-format']));
                generateColorVariables(setting.id, 'rgb', color, colorSetting.opacity).forEach((kv) => {
                    if (modifier === 'light') {
                        gradientCandidatesLight[kv.key] = kv.value;
                    }
                    else {
                        gradientCandidatesDark[kv.key] = kv.value;
                    }
                });
                continue;
            }
        }
    }
    seenGradientSections.forEach((sectionId) => {
        const g = gradients[sectionId];
        if (!g)
            return;
        g.forEach((def) => {
            var _a, _b, _c;
            const { from, to, format, step, id, pad = 0 } = def;
            if (gradientCandidatesLight[from]) {
                const fromColor = gradientCandidatesLight[from];
                const toColor = gradientCandidatesLight[to] ||
                    ((_a = settingsManager.plugin.getCSSVar(to).light) === null || _a === void 0 ? void 0 : _a.trim());
                if (toColor) {
                    pushColors(themedLight, id, fromColor, toColor, format, step, pad);
                }
            }
            if (gradientCandidatesDark[from]) {
                const fromColor = gradientCandidatesDark[from];
                const toColor = gradientCandidatesDark[to] ||
                    ((_b = settingsManager.plugin.getCSSVar(to).dark) === null || _b === void 0 ? void 0 : _b.trim());
                if (toColor) {
                    pushColors(themedDark, id, fromColor, toColor, format, step, pad);
                }
            }
            if (gradientCandidates[from]) {
                const fromColor = gradientCandidates[from];
                const toColor = gradientCandidates[to] ||
                    ((_c = settingsManager.plugin.getCSSVar(to).current) === null || _c === void 0 ? void 0 : _c.trim());
                if (toColor) {
                    pushColors(vars, id, fromColor, toColor, format, step, pad);
                }
            }
        });
    });
    return [vars, themedLight, themedDark];
}
class CSSSettingsManager {
    constructor(plugin) {
        this.config = {};
        this.gradients = {};
        this.plugin = plugin;
        this.settings = {};
        this.styleTag = document.createElement('style');
        this.styleTag.id = 'css-settings-manager';
        document.getElementsByTagName('head')[0].appendChild(this.styleTag);
    }
    cleanup() {
        this.styleTag.remove();
        this.removeClasses();
    }
    save() {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.plugin.saveData(this.settings);
            this.setCSSVariables();
        });
    }
    load() {
        return __awaiter(this, void 0, void 0, function* () {
            this.settings = Object.assign({}, yield this.plugin.loadData());
        });
    }
    initClasses() {
        Object.keys(this.config).forEach((section) => {
            const config = this.config[section];
            Object.keys(config).forEach((settingId) => {
                const setting = config[settingId];
                if (setting.type === SettingType.CLASS_TOGGLE) {
                    const classToggle = setting;
                    const value = this.getSetting(section, settingId);
                    if (value === true ||
                        (value === undefined && classToggle.default === true)) {
                        document.body.classList.add(setting.id);
                    }
                }
                else if (setting.type === SettingType.CLASS_SELECT) {
                    const multiToggle = setting;
                    let value = this.getSetting(section, settingId);
                    if (value === undefined && !!multiToggle.default) {
                        value = multiToggle.default;
                    }
                    else if (value === undefined) {
                        value = 'none';
                    }
                    if (value !== 'none') {
                        document.body.classList.add(value);
                    }
                }
            });
        });
    }
    removeClasses() {
        Object.keys(this.config).forEach((section) => {
            const config = this.config[section];
            Object.keys(config).forEach((settingId) => {
                const setting = config[settingId];
                if (setting.type === SettingType.CLASS_TOGGLE) {
                    document.body.classList.remove(setting.id);
                }
                else if (setting.type === SettingType.CLASS_SELECT) {
                    const multiToggle = setting;
                    multiToggle.options.forEach((v) => {
                        if (typeof v === 'string') {
                            document.body.classList.remove(v);
                        }
                        else {
                            document.body.classList.remove(v.value);
                        }
                    });
                }
            });
        });
    }
    setCSSVariables() {
        const [vars, themedLight, themedDark] = getCSSVariables(this.settings, this.config, this.gradients, this);
        this.styleTag.innerText = `
			body.css-settings-manager {
				${vars.reduce((combined, current) => {
            return combined + `--${current.key}: ${current.value}; `;
        }, '')}
			}

			body.theme-light.css-settings-manager {
				${themedLight.reduce((combined, current) => {
            return combined + `--${current.key}: ${current.value}; `;
        }, '')}
			}

			body.theme-dark.css-settings-manager {
				${themedDark.reduce((combined, current) => {
            return combined + `--${current.key}: ${current.value}; `;
        }, '')}
			}
			`
            .trim()
            .replace(/[\r\n\s]+/g, ' ');
        this.plugin.app.workspace.trigger('css-change', {
            source: 'style-settings',
        });
    }
    setConfig(settings) {
        this.config = {};
        this.gradients = {};
        settings.forEach((s) => {
            this.config[s.id] = {};
            s.settings.forEach((setting) => {
                this.config[s.id][setting.id] = setting;
                if (setting.type === SettingType.COLOR_GRADIENT) {
                    if (!this.gradients[s.id])
                        this.gradients[s.id] = [];
                    this.gradients[s.id].push(setting);
                }
            });
        });
        let pruned = false;
        for (const key in this.settings) {
            const [sectionId, settingId] = key.split('@@');
            if (this.config[sectionId] && !this.config[sectionId][settingId]) {
                delete this.settings[key];
                pruned = true;
            }
        }
        if (pruned) {
            this.save();
        }
        else {
            this.setCSSVariables();
        }
    }
    getSetting(sectionId, settingId) {
        return this.settings[`${sectionId}@@${settingId}`];
    }
    getSettings(sectionId, ids) {
        return ids.reduce((settings, id) => {
            const fullId = `${sectionId}@@${id}`;
            const alts = ['dark', 'light'];
            if (this.settings[fullId]) {
                settings[fullId] = this.settings[fullId];
            }
            alts.forEach((alt) => {
                const id = `${fullId}@@${alt}`;
                if (this.settings[id]) {
                    settings[id] = this.settings[id];
                }
            });
            return settings;
        }, {});
    }
    setSetting(sectionId, settingId, value) {
        this.settings[`${sectionId}@@${settingId}`] = value;
        this.save();
        this.removeClasses();
        this.initClasses();
    }
    setSettings(settings) {
        Object.keys(settings).forEach((id) => {
            this.settings[id] = settings[id];
        });
        this.removeClasses();
        this.initClasses();
        return this.save();
    }
    clearSetting(sectionId, settingId) {
        delete this.settings[`${sectionId}@@${settingId}`];
        this.save();
        this.removeClasses();
        this.initClasses();
    }
    clearSection(sectionId) {
        Object.keys(this.settings).forEach((key) => {
            const [section] = key.split('@@');
            if (section === sectionId) {
                delete this.settings[key];
            }
        });
        this.save();
        this.removeClasses();
        this.initClasses();
    }
    export(section, config) {
        new ExportModal(this.plugin.app, this.plugin, section, config).open();
    }
    import() {
        new ImportModal(this.plugin.app, this.plugin).open();
    }
}

const ar = {};

const cz = {};

const da = {};

const de = {
    'Default:': 'Standard:',
    'Error:': 'Fehler:',
    'missing default light value, or value is not in a valid color format': 'Fehlender heller standard Wert oder Wert ist in keinem validen Farb-Format',
    'missing default dark value, or value is not in a valid color format': 'Fehlender dunkler standard Wert oder Wert ist in keinem validen Farb-Format',
    'missing default value, or value is not in a valid color format': 'Fehlender standard Wert oder Wert ist in keinem validen Farb-Format',
    'missing default value': 'Fehlender standard Wert',
};

const en = {
    'Default:': 'Default:',
    'Error:': 'Error:',
    'missing default light value, or value is not in a valid color format': 'missing default light value, or value is not in a valid color format',
    'missing default dark value, or value is not in a valid color format': 'missing default dark value, or value is not in a valid color format',
    'missing default value, or value is not in a valid color format': 'missing default value, or value is not in a valid color format',
    'missing default value': 'missing default value',
};

const es = {};

const fr = {};

const hi = {};

const id = {};

const it = {};

const ja = {};

const ko = {};

const nl = {
    'Default:': 'Standaard:',
    'Error:': 'Error:',
    'missing default light value, or value is not in a valid color format': 'Geen standaard waarde voor het lichte thema, of de waarde is niet in het goede formaat',
    'missing default dark value, or value is not in a valid color format': 'Geen standaard waarde voor het donkere thema, of de waarde is niet in het goede formaat',
    'missing default value, or value is not in a valid color format': 'Geen standaard waarde, of de waarde is niet in het goede formaat',
    'missing default value': 'Geen standaard waarde',
};

const no = {};

const pl = {};

const pt = {};

const ptBr = {};

const ro = {};

const ru = {};

const sq = {};

const tr = {};

const uk = {};

const zh = {
    'Default:': '默认：',
    'Error:': '错误：',
    'missing default light value, or value is not in a valid color format': '缺少默认的浅色模式色值，或该色值没有采用一个有效的颜色格式',
    'missing default dark value, or value is not in a valid color format': '缺少默认的深色模式色值，或该色值没有采用一个有效的颜色格式',
    'missing default value, or value is not in a valid color format': '缺少默认色值，或该色值没有采用一个有效的颜色格式',
    'missing default value': '缺少默认色值',
};

const zhTw = {};

const lang = window.localStorage.getItem('language');
const localeMap = {
    ar,
    cz,
    da,
    de,
    en,
    es,
    fr,
    hi,
    id,
    it,
    ja,
    ko,
    nl,
    no,
    pl,
    'pt-BR': ptBr,
    pt,
    ro,
    ru,
    sq,
    tr,
    uk,
    'zh-TW': zhTw,
    zh,
};
const locale = localeMap[lang || 'en'];
function t(str) {
    if (!locale) {
        console.error('Error: Style Settings locale not found', lang);
    }
    return (locale && locale[str]) || en[str];
}

const settingRegExp = /\/\*!?\s*@settings[\r\n]+?([\s\S]+?)\*\//g;
const nameRegExp = /^name:\s*(.+)$/m;
function getTitle(config) {
    if (lang) {
        return config[`title.${lang}`] || config.title;
    }
    return config.title;
}
function getDescription(config) {
    if (lang) {
        return (config[`description.${lang}`] ||
            config.description);
    }
    return config.description;
}
function isValidDefaultColor(color) {
    return /^(#|rgb|hsl)/.test(color);
}
function getPickrSettings(opts) {
    const { el, isView, containerEl, swatches, opacity, defaultColor } = opts;
    return {
        el,
        container: isView ? document.body : containerEl,
        theme: 'nano',
        swatches,
        lockOpacity: !opacity,
        default: defaultColor,
        position: 'left-middle',
        components: {
            preview: true,
            hue: true,
            opacity: !!opacity,
            interaction: {
                hex: true,
                rgba: true,
                hsla: true,
                input: true,
                cancel: true,
                save: true,
            },
        },
    };
}
function onPickrCancel(instance) {
    instance.hide();
}
function sanitizeText(str) {
    if (str === '') {
        return `""`;
    }
    return str.replace(/[;<>]/g, '');
}
function createDescription(description, def, defLabel) {
    const fragment = createFragment();
    if (description) {
        fragment.appendChild(document.createTextNode(description));
    }
    if (def) {
        const small = createEl('small');
        small.appendChild(createEl('strong', { text: `${t('Default:')} ` }));
        small.appendChild(document.createTextNode(defLabel || def));
        const div = createEl('div');
        div.appendChild(small);
        fragment.appendChild(div);
    }
    return fragment;
}

var fuzzysort = createCommonjsModule(function (module) {
((root, UMD) => {
  if(module.exports) module.exports = UMD();
  else root['fuzzysort'] = UMD();
})(commonjsGlobal, _ => {

  var single = (search, target) => {                                                                                                                                                                                                                        if(search=='farzher')return {target:"farzher was here (^-^*)/",score:0,_indexes:[0]}
    if(!search || !target) return NULL

    var preparedSearch = getPreparedSearch(search);
    if(!isObj(target)) target = getPrepared(target);

    var searchBitflags = preparedSearch.bitflags;
    if((searchBitflags & target._bitflags) !== searchBitflags) return NULL

    return algorithm(preparedSearch, target)
  };


  var go = (search, targets, options) => {                                                                                                                                                                                                                  if(search=='farzher')return [{target:"farzher was here (^-^*)/",score:0,_indexes:[0],obj:targets?targets[0]:NULL}]
    if(!search) return options&&options.all ? all(search, targets, options) : noResults

    var preparedSearch = getPreparedSearch(search);
    var searchBitflags = preparedSearch.bitflags;
    preparedSearch.containsSpace;

    var threshold = options&&options.threshold || INT_MIN;
    var limit     = options&&options['limit']  || INT_MAX; // for some reason only limit breaks when minified

    var resultsLen = 0; var limitedCount = 0;
    var targetsLen = targets.length;

    // This code is copy/pasted 3 times for performance reasons [options.keys, options.key, no keys]

    // options.key
    if(options && options.key) {
      var key = options.key;
      for(var i = 0; i < targetsLen; ++i) { var obj = targets[i];
        var target = getValue(obj, key);
        if(!target) continue
        if(!isObj(target)) target = getPrepared(target);

        if((searchBitflags & target._bitflags) !== searchBitflags) continue
        var result = algorithm(preparedSearch, target);
        if(result === NULL) continue
        if(result.score < threshold) continue

        // have to clone result so duplicate targets from different obj can each reference the correct obj
        result = {target:result.target, _targetLower:'', _targetLowerCodes:NULL, _nextBeginningIndexes:NULL, _bitflags:0, score:result.score, _indexes:result._indexes, obj:obj}; // hidden

        if(resultsLen < limit) { q.add(result); ++resultsLen; }
        else {
          ++limitedCount;
          if(result.score > q.peek().score) q.replaceTop(result);
        }
      }

    // options.keys
    } else if(options && options.keys) {
      var scoreFn = options['scoreFn'] || defaultScoreFn;
      var keys = options.keys;
      var keysLen = keys.length;
      for(var i = 0; i < targetsLen; ++i) { var obj = targets[i];
        var objResults = new Array(keysLen);
        for (var keyI = 0; keyI < keysLen; ++keyI) {
          var key = keys[keyI];
          var target = getValue(obj, key);
          if(!target) { objResults[keyI] = NULL; continue }
          if(!isObj(target)) target = getPrepared(target);

          if((searchBitflags & target._bitflags) !== searchBitflags) objResults[keyI] = NULL;
          else objResults[keyI] = algorithm(preparedSearch, target);
        }
        objResults.obj = obj; // before scoreFn so scoreFn can use it
        var score = scoreFn(objResults);
        if(score === NULL) continue
        if(score < threshold) continue
        objResults.score = score;
        if(resultsLen < limit) { q.add(objResults); ++resultsLen; }
        else {
          ++limitedCount;
          if(score > q.peek().score) q.replaceTop(objResults);
        }
      }

    // no keys
    } else {
      for(var i = 0; i < targetsLen; ++i) { var target = targets[i];
        if(!target) continue
        if(!isObj(target)) target = getPrepared(target);

        if((searchBitflags & target._bitflags) !== searchBitflags) continue
        var result = algorithm(preparedSearch, target);
        if(result === NULL) continue
        if(result.score < threshold) continue
        if(resultsLen < limit) { q.add(result); ++resultsLen; }
        else {
          ++limitedCount;
          if(result.score > q.peek().score) q.replaceTop(result);
        }
      }
    }

    if(resultsLen === 0) return noResults
    var results = new Array(resultsLen);
    for(var i = resultsLen - 1; i >= 0; --i) results[i] = q.poll();
    results.total = resultsLen + limitedCount;
    return results
  };


  var highlight = (result, hOpen, hClose) => {
    if(typeof hOpen === 'function') return highlightCallback(result, hOpen)
    if(result === NULL) return NULL
    if(hOpen === undefined) hOpen = '<b>';
    if(hClose === undefined) hClose = '</b>';
    var highlighted = '';
    var matchesIndex = 0;
    var opened = false;
    var target = result.target;
    var targetLen = target.length;
    var indexes = result._indexes;
    indexes = indexes.slice(0, indexes.len).sort((a,b)=>a-b);
    for(var i = 0; i < targetLen; ++i) { var char = target[i];
      if(indexes[matchesIndex] === i) {
        ++matchesIndex;
        if(!opened) { opened = true;
          highlighted += hOpen;
        }

        if(matchesIndex === indexes.length) {
          highlighted += char + hClose + target.substr(i+1);
          break
        }
      } else {
        if(opened) { opened = false;
          highlighted += hClose;
        }
      }
      highlighted += char;
    }

    return highlighted
  };
  var highlightCallback = (result, cb) => {
    if(result === NULL) return NULL
    var target = result.target;
    var targetLen = target.length;
    var indexes = result._indexes;
    indexes = indexes.slice(0, indexes.len).sort((a,b)=>a-b);
    var highlighted = '';
    var matchI = 0;
    var indexesI = 0;
    var opened = false;
    var result = [];
    for(var i = 0; i < targetLen; ++i) { var char = target[i];
      if(indexes[indexesI] === i) {
        ++indexesI;
        if(!opened) { opened = true;
          result.push(highlighted); highlighted = '';
        }

        if(indexesI === indexes.length) {
          highlighted += char;
          result.push(cb(highlighted, matchI++)); highlighted = '';
          result.push(target.substr(i+1));
          break
        }
      } else {
        if(opened) { opened = false;
          result.push(cb(highlighted, matchI++)); highlighted = '';
        }
      }
      highlighted += char;
    }
    return result
  };


  var indexes = result => result._indexes.slice(0, result._indexes.len).sort((a,b)=>a-b);


  var prepare = (target) => {
    if(typeof target !== 'string') target = '';
    var info = prepareLowerInfo(target);
    return {'target':target, _targetLower:info._lower, _targetLowerCodes:info.lowerCodes, _nextBeginningIndexes:NULL, _bitflags:info.bitflags, 'score':NULL, _indexes:[0], 'obj':NULL} // hidden
  };


  // Below this point is only internal code
  // Below this point is only internal code
  // Below this point is only internal code
  // Below this point is only internal code


  var prepareSearch = (search) => {
    if(typeof search !== 'string') search = '';
    search = search.trim();
    var info = prepareLowerInfo(search);

    var spaceSearches = [];
    if(info.containsSpace) {
      var searches = search.split(/\s+/);
      searches = [...new Set(searches)]; // distinct
      for(var i=0; i<searches.length; i++) {
        if(searches[i] === '') continue
        var _info = prepareLowerInfo(searches[i]);
        spaceSearches.push({lowerCodes:_info.lowerCodes, _lower:searches[i].toLowerCase(), containsSpace:false});
      }
    }

    return {lowerCodes: info.lowerCodes, bitflags: info.bitflags, containsSpace: info.containsSpace, _lower: info._lower, spaceSearches: spaceSearches}
  };



  var getPrepared = (target) => {
    if(target.length > 999) return prepare(target) // don't cache huge targets
    var targetPrepared = preparedCache.get(target);
    if(targetPrepared !== undefined) return targetPrepared
    targetPrepared = prepare(target);
    preparedCache.set(target, targetPrepared);
    return targetPrepared
  };
  var getPreparedSearch = (search) => {
    if(search.length > 999) return prepareSearch(search) // don't cache huge searches
    var searchPrepared = preparedSearchCache.get(search);
    if(searchPrepared !== undefined) return searchPrepared
    searchPrepared = prepareSearch(search);
    preparedSearchCache.set(search, searchPrepared);
    return searchPrepared
  };


  var all = (search, targets, options) => {
    var results = []; results.total = targets.length;

    var limit = options && options.limit || INT_MAX;

    if(options && options.key) {
      for(var i=0;i<targets.length;i++) { var obj = targets[i];
        var target = getValue(obj, options.key);
        if(!target) continue
        if(!isObj(target)) target = getPrepared(target);
        target.score = INT_MIN;
        target._indexes.len = 0;
        var result = target;
        result = {target:result.target, _targetLower:'', _targetLowerCodes:NULL, _nextBeginningIndexes:NULL, _bitflags:0, score:target.score, _indexes:NULL, obj:obj}; // hidden
        results.push(result); if(results.length >= limit) return results
      }
    } else if(options && options.keys) {
      for(var i=0;i<targets.length;i++) { var obj = targets[i];
        var objResults = new Array(options.keys.length);
        for (var keyI = options.keys.length - 1; keyI >= 0; --keyI) {
          var target = getValue(obj, options.keys[keyI]);
          if(!target) { objResults[keyI] = NULL; continue }
          if(!isObj(target)) target = getPrepared(target);
          target.score = INT_MIN;
          target._indexes.len = 0;
          objResults[keyI] = target;
        }
        objResults.obj = obj;
        objResults.score = INT_MIN;
        results.push(objResults); if(results.length >= limit) return results
      }
    } else {
      for(var i=0;i<targets.length;i++) { var target = targets[i];
        if(!target) continue
        if(!isObj(target)) target = getPrepared(target);
        target.score = INT_MIN;
        target._indexes.len = 0;
        results.push(target); if(results.length >= limit) return results
      }
    }

    return results
  };


  var algorithm = (preparedSearch, prepared, allowSpaces=false) => {
    if(allowSpaces===false && preparedSearch.containsSpace) return algorithmSpaces(preparedSearch, prepared)

    var searchLower = preparedSearch._lower;
    var searchLowerCodes = preparedSearch.lowerCodes;
    var searchLowerCode = searchLowerCodes[0];
    var targetLowerCodes = prepared._targetLowerCodes;
    var searchLen = searchLowerCodes.length;
    var targetLen = targetLowerCodes.length;
    var searchI = 0; // where we at
    var targetI = 0; // where you at
    var matchesSimpleLen = 0;

    // very basic fuzzy match; to remove non-matching targets ASAP!
    // walk through target. find sequential matches.
    // if all chars aren't found then exit
    for(;;) {
      var isMatch = searchLowerCode === targetLowerCodes[targetI];
      if(isMatch) {
        matchesSimple[matchesSimpleLen++] = targetI;
        ++searchI; if(searchI === searchLen) break
        searchLowerCode = searchLowerCodes[searchI];
      }
      ++targetI; if(targetI >= targetLen) return NULL // Failed to find searchI
    }

    var searchI = 0;
    var successStrict = false;
    var matchesStrictLen = 0;

    var nextBeginningIndexes = prepared._nextBeginningIndexes;
    if(nextBeginningIndexes === NULL) nextBeginningIndexes = prepared._nextBeginningIndexes = prepareNextBeginningIndexes(prepared.target);
    targetI = matchesSimple[0]===0 ? 0 : nextBeginningIndexes[matchesSimple[0]-1];

    // Our target string successfully matched all characters in sequence!
    // Let's try a more advanced and strict test to improve the score
    // only count it as a match if it's consecutive or a beginning character!
    var backtrackCount = 0;
    if(targetI !== targetLen) for(;;) {
      if(targetI >= targetLen) {
        // We failed to find a good spot for this search char, go back to the previous search char and force it forward
        if(searchI <= 0) break // We failed to push chars forward for a better match

        ++backtrackCount; if(backtrackCount > 200) break // exponential backtracking is taking too long, just give up and return a bad match

        --searchI;
        var lastMatch = matchesStrict[--matchesStrictLen];
        targetI = nextBeginningIndexes[lastMatch];

      } else {
        var isMatch = searchLowerCodes[searchI] === targetLowerCodes[targetI];
        if(isMatch) {
          matchesStrict[matchesStrictLen++] = targetI;
          ++searchI; if(searchI === searchLen) { successStrict = true; break }
          ++targetI;
        } else {
          targetI = nextBeginningIndexes[targetI];
        }
      }
    }

    // check if it's a substring match
    var substringIndex = prepared._targetLower.indexOf(searchLower, matchesSimple[0]); // perf: this is slow
    var isSubstring = ~substringIndex;
    if(isSubstring && !successStrict) { // rewrite the indexes from basic to the substring
      for(var i=0; i<matchesSimpleLen; ++i) matchesSimple[i] = substringIndex+i;
    }
    var isSubstringBeginning = false;
    if(isSubstring) {
      isSubstringBeginning = prepared._nextBeginningIndexes[substringIndex-1] === substringIndex;
    }

    { // tally up the score & keep track of matches for highlighting later
      if(successStrict) { var matchesBest = matchesStrict; var matchesBestLen = matchesStrictLen; }
      else { var matchesBest = matchesSimple; var matchesBestLen = matchesSimpleLen; }

      var score = 0;

      var extraMatchGroupCount = 0;
      for(var i = 1; i < searchLen; ++i) {
        if(matchesBest[i] - matchesBest[i-1] !== 1) {score -= matchesBest[i]; ++extraMatchGroupCount;}
      }
      var unmatchedDistance = matchesBest[searchLen-1] - matchesBest[0] - (searchLen-1);

      score -= (12+unmatchedDistance) * extraMatchGroupCount; // penality for more groups

      if(matchesBest[0] !== 0) score -= matchesBest[0]*matchesBest[0]*.2; // penality for not starting near the beginning

      if(!successStrict) {
        score *= 1000;
      } else {
        // successStrict on a target with too many beginning indexes loses points for being a bad target
        var uniqueBeginningIndexes = 1;
        for(var i = nextBeginningIndexes[0]; i < targetLen; i=nextBeginningIndexes[i]) ++uniqueBeginningIndexes;

        if(uniqueBeginningIndexes > 24) score *= (uniqueBeginningIndexes-24)*10; // quite arbitrary numbers here ...
      }

      if(isSubstring)          score /= 1+searchLen*searchLen*1; // bonus for being a full substring
      if(isSubstringBeginning) score /= 1+searchLen*searchLen*1; // bonus for substring starting on a beginningIndex

      score -= targetLen - searchLen; // penality for longer targets
      prepared.score = score;

      for(var i = 0; i < matchesBestLen; ++i) prepared._indexes[i] = matchesBest[i];
      prepared._indexes.len = matchesBestLen;

      return prepared
    }
  };
  var algorithmSpaces = (preparedSearch, target) => {
    var seen_indexes = new Set();
    var score = 0;
    var result = NULL;

    var first_seen_index_last_search = 0;
    var searches = preparedSearch.spaceSearches;
    for(var i=0; i<searches.length; ++i) {
      var search = searches[i];

      result = algorithm(search, target);
      if(result === NULL) return NULL

      score += result.score;

      // dock points based on order otherwise "c man" returns Manifest.cpp instead of CheatManager.h
      if(result._indexes[0] < first_seen_index_last_search) {
        score -= first_seen_index_last_search - result._indexes[0];
      }
      first_seen_index_last_search = result._indexes[0];

      for(var j=0; j<result._indexes.len; ++j) seen_indexes.add(result._indexes[j]);
    }

    // allows a search with spaces that's an exact substring to score well
    var allowSpacesResult = algorithm(preparedSearch, target, /*allowSpaces=*/true);
    if(allowSpacesResult !== NULL && allowSpacesResult.score > score) {
      return allowSpacesResult
    }

    result.score = score;

    var i = 0;
    for (let index of seen_indexes) result._indexes[i++] = index;
    result._indexes.len = i;

    return result
  };


  var prepareLowerInfo = (str) => {
    var strLen = str.length;
    var lower = str.toLowerCase();
    var lowerCodes = []; // new Array(strLen)    sparse array is too slow
    var bitflags = 0;
    var containsSpace = false; // space isn't stored in bitflags because of how searching with a space works

    for(var i = 0; i < strLen; ++i) {
      var lowerCode = lowerCodes[i] = lower.charCodeAt(i);

      if(lowerCode === 32) {
        containsSpace = true;
        continue // it's important that we don't set any bitflags for space
      }

      var bit = lowerCode>=97&&lowerCode<=122 ? lowerCode-97 // alphabet
              : lowerCode>=48&&lowerCode<=57  ? 26           // numbers
                                                             // 3 bits available
              : lowerCode<=127                ? 30           // other ascii
              :                                 31;           // other utf8
      bitflags |= 1<<bit;
    }

    return {lowerCodes:lowerCodes, bitflags:bitflags, containsSpace:containsSpace, _lower:lower}
  };
  var prepareBeginningIndexes = (target) => {
    var targetLen = target.length;
    var beginningIndexes = []; var beginningIndexesLen = 0;
    var wasUpper = false;
    var wasAlphanum = false;
    for(var i = 0; i < targetLen; ++i) {
      var targetCode = target.charCodeAt(i);
      var isUpper = targetCode>=65&&targetCode<=90;
      var isAlphanum = isUpper || targetCode>=97&&targetCode<=122 || targetCode>=48&&targetCode<=57;
      var isBeginning = isUpper && !wasUpper || !wasAlphanum || !isAlphanum;
      wasUpper = isUpper;
      wasAlphanum = isAlphanum;
      if(isBeginning) beginningIndexes[beginningIndexesLen++] = i;
    }
    return beginningIndexes
  };
  var prepareNextBeginningIndexes = (target) => {
    var targetLen = target.length;
    var beginningIndexes = prepareBeginningIndexes(target);
    var nextBeginningIndexes = []; // new Array(targetLen)     sparse array is too slow
    var lastIsBeginning = beginningIndexes[0];
    var lastIsBeginningI = 0;
    for(var i = 0; i < targetLen; ++i) {
      if(lastIsBeginning > i) {
        nextBeginningIndexes[i] = lastIsBeginning;
      } else {
        lastIsBeginning = beginningIndexes[++lastIsBeginningI];
        nextBeginningIndexes[i] = lastIsBeginning===undefined ? targetLen : lastIsBeginning;
      }
    }
    return nextBeginningIndexes
  };


  var cleanup = () => { preparedCache.clear(); preparedSearchCache.clear(); matchesSimple = []; matchesStrict = []; };

  var preparedCache       = new Map();
  var preparedSearchCache = new Map();
  var matchesSimple = []; var matchesStrict = [];


  // for use with keys. just returns the maximum score
  var defaultScoreFn = (a) => {
    var max = INT_MIN;
    var len = a.length;
    for (var i = 0; i < len; ++i) {
      var result = a[i]; if(result === NULL) continue
      var score = result.score;
      if(score > max) max = score;
    }
    if(max === INT_MIN) return NULL
    return max
  };

  // prop = 'key'              2.5ms optimized for this case, seems to be about as fast as direct obj[prop]
  // prop = 'key1.key2'        10ms
  // prop = ['key1', 'key2']   27ms
  var getValue = (obj, prop) => {
    var tmp = obj[prop]; if(tmp !== undefined) return tmp
    var segs = prop;
    if(!Array.isArray(prop)) segs = prop.split('.');
    var len = segs.length;
    var i = -1;
    while (obj && (++i < len)) obj = obj[segs[i]];
    return obj
  };

  var isObj = (x) => { return typeof x === 'object' }; // faster as a function
  // var INT_MAX = 9007199254740991; var INT_MIN = -INT_MAX
  var INT_MAX = Infinity; var INT_MIN = -INT_MAX;
  var noResults = []; noResults.total = 0;
  var NULL = null;


  // Hacked version of https://github.com/lemire/FastPriorityQueue.js
  var fastpriorityqueue=r=>{var e=[],o=0,a={},v=r=>{for(var a=0,v=e[a],c=1;c<o;){var s=c+1;a=c,s<o&&e[s].score<e[c].score&&(a=s),e[a-1>>1]=e[a],c=1+(a<<1);}for(var f=a-1>>1;a>0&&v.score<e[f].score;f=(a=f)-1>>1)e[a]=e[f];e[a]=v;};return a.add=(r=>{var a=o;e[o++]=r;for(var v=a-1>>1;a>0&&r.score<e[v].score;v=(a=v)-1>>1)e[a]=e[v];e[a]=r;}),a.poll=(r=>{if(0!==o){var a=e[0];return e[0]=e[--o],v(),a}}),a.peek=(r=>{if(0!==o)return e[0]}),a.replaceTop=(r=>{e[0]=r,v();}),a};
  var q = fastpriorityqueue(); // reuse this


  // fuzzysort is written this way for minification. all names are mangeled unless quoted
  return {'single':single, 'go':go, 'highlight':highlight, 'prepare':prepare, 'indexes':indexes, 'cleanup':cleanup}
}); // UMD

// TODO: (feature) frecency
// TODO: (perf) use different sorting algo depending on the # of results?
// TODO: (perf) preparedCache is a memory leak
// TODO: (like sublime) backslash === forwardslash
// TODO: (perf) prepareSearch seems slow
});

class AbstractSettingComponent extends obsidian.Component {
    constructor(parent, sectionId, sectionName, setting, settingsManager, isView) {
        super();
        this.childEl = null;
        this.parent = parent;
        this.sectionId = sectionId;
        this.sectionName = sectionName;
        this.setting = setting;
        this.settingsManager = settingsManager;
        this.isView = isView;
    }
    get containerEl() {
        return this.parent instanceof HTMLElement
            ? this.parent
            : this.parent.childEl;
    }
    onload() {
        this.render();
    }
    onunload() {
        this.destroy();
    }
    /**
     * Matches the Component against `str`. A perfect match returns 0, no match returns negative infinity.
     *
     * @param str the string to match this Component against.
     */
    match(str) {
        var _a, _b, _c, _d;
        if (!str) {
            return Number.NEGATIVE_INFINITY;
        }
        return Math.max((_b = (_a = fuzzysort.single(str, getTitle(this.setting))) === null || _a === void 0 ? void 0 : _a.score) !== null && _b !== void 0 ? _b : Number.NEGATIVE_INFINITY, (_d = (_c = fuzzysort.single(str, getDescription(this.setting))) === null || _c === void 0 ? void 0 : _c.score) !== null && _d !== void 0 ? _d : Number.NEGATIVE_INFINITY);
    }
    /**
     * Matches the Component against `str`. A match returns true, no match  or a bad match returns false.
     *
     * @param str the string to match this Component against.
     */
    decisiveMatch(str) {
        return this.match(str) > -100000;
    }
}

const resetTooltip = 'Restore default';

class ClassMultiToggleSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting.default !== 'string') {
            return console.error(`${t('Error:')} ${title} ${t('missing default value')}`);
        }
        let prevValue = this.getPreviousValue();
        const defaultLabel = this.getDefaultOptionLabel();
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(createDescription(description, this.setting.default, defaultLabel));
        this.settingEl.addDropdown((dropdown) => {
            if (this.setting.allowEmpty) {
                dropdown.addOption('none', '');
            }
            for (const o of this.setting.options) {
                if (typeof o === 'string') {
                    dropdown.addOption(o, o);
                }
                else {
                    dropdown.addOption(o.value, o.label);
                }
            }
            dropdown.setValue(prevValue);
            dropdown.onChange((value) => {
                this.settingsManager.setSetting(this.sectionId, this.setting.id, value);
                prevValue = value;
            });
            this.dropdownComponent = dropdown;
        });
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                this.dropdownComponent.setValue(this.setting.default || 'none');
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
    getDefaultOption() {
        if (this.setting.default) {
            return this.setting.options.find((o) => {
                if (typeof o === 'string') {
                    return o === this.setting.default;
                }
                return o.value === this.setting.default;
            });
        }
        return undefined;
    }
    getDefaultOptionLabel() {
        const defaultOption = this.getDefaultOption();
        if (defaultOption) {
            if (typeof defaultOption === 'string') {
                return defaultOption;
            }
            return defaultOption.label;
        }
        return undefined;
    }
    getPreviousValue() {
        const prevValue = this.settingsManager.getSetting(this.sectionId, this.setting.id);
        if (prevValue === undefined) {
            if (this.setting.default) {
                return this.setting.default;
            }
            return 'none';
        }
        return prevValue;
    }
}

class ClassToggleSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(description !== null && description !== void 0 ? description : '');
        this.settingEl.addToggle((toggle) => {
            const value = this.settingsManager.getSetting(this.sectionId, this.setting.id);
            toggle.setValue(value !== undefined ? !!value : !!this.setting.default);
            toggle.onChange((value) => {
                this.settingsManager.setSetting(this.sectionId, this.setting.id, value);
            });
            this.toggleComponent = toggle;
        });
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                const value = !!this.setting.default;
                this.toggleComponent.setValue(value);
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
}

class InfoTextSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setClass('style-settings-info-text');
        if (title) {
            this.settingEl.setName(title);
        }
        if (description) {
            if (this.setting.markdown) {
                obsidian.MarkdownRenderer.renderMarkdown(description, this.settingEl.descEl, '', this);
                this.settingEl.descEl.addClass('style-settings-markdown');
            }
            else {
                this.settingEl.setDesc(description);
            }
        }
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
}

var pickr_min = createCommonjsModule(function (module, exports) {
/*! Pickr 1.8.4 MIT | https://github.com/Simonwep/pickr */
!function(t,e){module.exports=e();}(self,(function(){return (()=>{var t={d:(e,o)=>{for(var n in o)t.o(o,n)&&!t.o(e,n)&&Object.defineProperty(e,n,{enumerable:!0,get:o[n]});},o:(t,e)=>Object.prototype.hasOwnProperty.call(t,e),r:t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0});}},e={};t.d(e,{default:()=>x});var o={};function n(t,e,o,n){let i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:{};e instanceof HTMLCollection||e instanceof NodeList?e=Array.from(e):Array.isArray(e)||(e=[e]),Array.isArray(o)||(o=[o]);for(const s of e)for(const e of o)s[t](e,n,{capture:!1,...i});return Array.prototype.slice.call(arguments,1)}t.r(o),t.d(o,{adjustableInputNumbers:()=>p,createElementFromString:()=>r,createFromTemplate:()=>a,eventPath:()=>l,off:()=>s,on:()=>i,resolveElement:()=>c});const i=n.bind(null,"addEventListener"),s=n.bind(null,"removeEventListener");function r(t){const e=document.createElement("div");return e.innerHTML=t.trim(),e.firstElementChild}function a(t){const e=(t,e)=>{const o=t.getAttribute(e);return t.removeAttribute(e),o},o=function(t){let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};const i=e(t,":obj"),s=e(t,":ref"),r=i?n[i]={}:n;s&&(n[s]=t);for(const n of Array.from(t.children)){const t=e(n,":arr"),i=o(n,t?{}:r);t&&(r[t]||(r[t]=[])).push(Object.keys(i).length?i:n);}return n};return o(r(t))}function l(t){let e=t.path||t.composedPath&&t.composedPath();if(e)return e;let o=t.target.parentElement;for(e=[t.target,o];o=o.parentElement;)e.push(o);return e.push(document,window),e}function c(t){return t instanceof Element?t:"string"==typeof t?t.split(/>>/g).reduce(((t,e,o,n)=>(t=t.querySelector(e),o<n.length-1?t.shadowRoot:t)),document):null}function p(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:t=>t;function o(o){const n=[.001,.01,.1][Number(o.shiftKey||2*o.ctrlKey)]*(o.deltaY<0?1:-1);let 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e={cmyk:/^cmyk[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)/i,rgba:/^((rgba)|rgb)[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)[\D]*?([\d.]+|$)/i,hsla:/^((hsla)|hsl)[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)[\D]*?([\d.]+|$)/i,hsva:/^((hsva)|hsv)[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)[\D]*?([\d.]+|$)/i,hexa:/^#?(([\dA-Fa-f]{3,4})|([\dA-Fa-f]{6})|([\dA-Fa-f]{8}))$/i},o=t=>t.map((t=>/^(|\d+)\.\d+|\d+$/.test(t)?Number(t):void 0));let n;t:for(const i in e){if(!(n=e[i].exec(t)))continue;const s=t=>!!n[2]==("number"==typeof t);switch(i){case"cmyk":{const[,t,e,s,r]=o(n);if(t>100||e>100||s>100||r>100)break t;return {values:_(t,e,s,r),type:i}}case"rgba":{const[,,,t,e,r,a]=o(n);if(t>255||e>255||r>255||a<0||a>1||!s(a))break t;return {values:[...y(t,e,r),a],a,type:i}}case"hexa":{let[,t]=n;4!==t.length&&3!==t.length||(t=t.split("").map((t=>t+t)).join(""));const e=t.substring(0,6);let o=t.substring(6);return o=o?parseInt(o,16)/255:void 0,{values:[...A(e),o],a:o,type:i}}case"hsla":{const[,,,t,e,r,a]=o(n);if(t>360||e>100||r>100||a<0||a>1||!s(a))break t;return {values:[...w(t,e,r),a],a,type:i}}case"hsva":{const[,,,t,e,r,a]=o(n);if(t>360||e>100||r>100||a<0||a>1||!s(a))break t;return {values:[t,e,r,a],a,type:i}}}}return {values:null,type:null}}function $(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1;const i=(t,e)=>function(){let o=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1;return e(~o?t.map((t=>Number(t.toFixed(o)))):t)},s={h:t,s:e,v:o,a:n,toHSVA(){const t=[s.h,s.s,s.v,s.a];return t.toString=i(t,(t=>`hsva(${t[0]}, ${t[1]}%, ${t[2]}%, ${s.a})`)),t},toHSLA(){const t=[...b(s.h,s.s,s.v),s.a];return t.toString=i(t,(t=>`hsla(${t[0]}, ${t[1]}%, ${t[2]}%, ${s.a})`)),t},toRGBA(){const t=[...m(s.h,s.s,s.v),s.a];return t.toString=i(t,(t=>`rgba(${t[0]}, ${t[1]}, ${t[2]}, ${s.a})`)),t},toCMYK(){const t=g(s.h,s.s,s.v);return t.toString=i(t,(t=>`cmyk(${t[0]}%, ${t[1]}%, ${t[2]}%, ${t[3]}%)`)),t},toHEXA(){const t=f(s.h,s.s,s.v),e=s.a>=1?"":Number((255*s.a).toFixed(0)).toString(16).toUpperCase().padStart(2,"0");return e&&t.push(e),t.toString=()=>`#${t.join("").toUpperCase()}`,t},clone:()=>$(s.h,s.s,s.v,s.a)};return s}const k=t=>Math.max(Math.min(t,1),0);function S(t){const e={options:Object.assign({lock:null,onchange:()=>0,onstop:()=>0},t),_keyboard(t){const{options:o}=e,{type:n,key:i}=t;if(document.activeElement===o.wrapper){const{lock:o}=e.options,s="ArrowUp"===i,r="ArrowRight"===i,a="ArrowDown"===i,l="ArrowLeft"===i;if("keydown"===n&&(s||r||a||l)){let n=0,i=0;"v"===o?n=s||r?1:-1:"h"===o?n=s||r?-1:1:(i=s?-1:a?1:0,n=l?-1:r?1:0),e.update(k(e.cache.x+.01*n),k(e.cache.y+.01*i)),t.preventDefault();}else 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o.onchange(p,h)}},_tapstop(){e.options.onstop(),s(document,["mouseup","touchend","touchcancel"],e._tapstop),s(document,["mousemove","touchmove"],e._tapmove);},trigger(){e._tapmove();},update(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const{left:n,top:i,width:s,height:r}=e.options.wrapper.getBoundingClientRect();"h"===e.options.lock&&(o=t),e._tapmove({clientX:n+s*t,clientY:i+r*o});},destroy(){const{options:t,_tapstart:o,_keyboard:n}=e;s(document,["keydown","keyup"],n),s([t.wrapper,t.element],"mousedown",o),s([t.wrapper,t.element],"touchstart",o,{passive:!1});}},{options:o,_tapstart:n,_keyboard:r}=e;return i([o.wrapper,o.element],"mousedown",n),i([o.wrapper,o.element],"touchstart",n,{passive:!1}),i(document,["keydown","keyup"],r),e}function O(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t=Object.assign({onchange:()=>0,className:"",elements:[]},t);const e=i(t.elements,"click",(e=>{t.elements.forEach((o=>o.classList[e.target===o?"add":"remove"](t.className))),t.onchange(e),e.stopPropagation();}));return {destroy:()=>s(...e)}}const E={variantFlipOrder:{start:"sme",middle:"mse",end:"ems"},positionFlipOrder:{top:"tbrl",right:"rltb",bottom:"btrl",left:"lrbt"},position:"bottom",margin:8},L=(t,e,o)=>{const{container:n,margin:i,position:s,variantFlipOrder:r,positionFlipOrder:a}={container:document.documentElement.getBoundingClientRect(),...E,...o},{left:l,top:c}=e.style;e.style.left="0",e.style.top="0";const p=t.getBoundingClientRect(),h=e.getBoundingClientRect(),u={t:p.top-h.height-i,b:p.bottom+i,r:p.right+i,l:p.left-h.width-i},d={vs:p.left,vm:p.left+p.width/2+-h.width/2,ve:p.left+p.width-h.width,hs:p.top,hm:p.bottom-p.height/2-h.height/2,he:p.bottom-h.height},[v,m="middle"]=s.split("-"),f=a[v],g=r[m],{top:b,left:y,bottom:_,right:w}=n;for(const t of f){const 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x{constructor(t){P(this,"_initializingActive",!0),P(this,"_recalc",!0),P(this,"_nanopop",null),P(this,"_root",null),P(this,"_color",$()),P(this,"_lastColor",$()),P(this,"_swatchColors",[]),P(this,"_setupAnimationFrame",null),P(this,"_eventListener",{init:[],save:[],hide:[],show:[],clear:[],change:[],changestop:[],cancel:[],swatchselect:[]}),this.options=t=Object.assign({...x.DEFAULT_OPTIONS},t);const{swatches:e,components:o,theme:n,sliders:i,lockOpacity:s,padding:r}=t;["nano","monolith"].includes(n)&&!i&&(t.sliders="h"),o.interaction||(o.interaction={});const{preview:a,opacity:l,hue:c,palette:p}=o;o.opacity=!s&&l,o.palette=p||a||l||c,this._preBuild(),this._buildComponents(),this._bindEvents(),this._finalBuild(),e&&e.length&&e.forEach((t=>this.addSwatch(t)));const{button:h,app:u}=this._root;this._nanopop=((t,e,o)=>{const n="object"!=typeof t||t instanceof HTMLElement?{reference:t,popper:e,...o}:t;return {update(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:n;const{reference:e,popper:o}=Object.assign(n,t);if(!o||!e)throw new Error("Popper- or reference-element missing.");return L(e,o,n)}}})(h,u,{margin:r}),h.setAttribute("role","button"),h.setAttribute("aria-label",this._t("btn:toggle"));const d=this;this._setupAnimationFrame=requestAnimationFrame((function e(){if(!u.offsetWidth)return d._setupAnimationFrame=requestAnimationFrame(e);d.setColor(t.default),d._rePositioningPicker(),t.defaultRepresentation&&(d._representation=t.defaultRepresentation,d.setColorRepresentation(d._representation)),t.showAlways&&d.show(),d._initializingActive=!1,d._emit("init");}));}_preBuild(){const{options:t}=this;for(const e of ["el","container"])t[e]=c(t[e]);this._root=(t=>{const{components:e,useAsButton:o,inline:n,appClass:i,theme:s,lockOpacity:r}=t.options,l=t=>t?"":'style="display:none" hidden',c=e=>t._t(e),p=a(`\n      <div :ref="root" class="pickr">\n\n        ${o?"":'<button type="button" :ref="button" class="pcr-button"></button>'}\n\n        <div :ref="app" class="pcr-app ${i||""}" data-theme="${s}" ${n?'style="position: unset"':""} aria-label="${c("ui:dialog")}" role="window">\n          <div class="pcr-selection" ${l(e.palette)}>\n            <div :obj="preview" class="pcr-color-preview" ${l(e.preview)}>\n              <button type="button" :ref="lastColor" class="pcr-last-color" aria-label="${c("btn:last-color")}"></button>\n              <div :ref="currentColor" class="pcr-current-color"></div>\n            </div>\n\n            <div :obj="palette" class="pcr-color-palette">\n              <div :ref="picker" class="pcr-picker"></div>\n              <div :ref="palette" class="pcr-palette" tabindex="0" aria-label="${c("aria:palette")}" role="listbox"></div>\n            </div>\n\n            <div :obj="hue" class="pcr-color-chooser" ${l(e.hue)}>\n              <div :ref="picker" class="pcr-picker"></div>\n              <div :ref="slider" class="pcr-hue pcr-slider" tabindex="0" aria-label="${c("aria:hue")}" role="slider"></div>\n            </div>\n\n            <div :obj="opacity" class="pcr-color-opacity" ${l(e.opacity)}>\n              <div :ref="picker" class="pcr-picker"></div>\n              <div :ref="slider" class="pcr-opacity pcr-slider" tabindex="0" aria-label="${c("aria:opacity")}" role="slider"></div>\n            </div>\n          </div>\n\n          <div class="pcr-swatches ${e.palette?"":"pcr-last"}" :ref="swatches"></div>\n\n          <div :obj="interaction" class="pcr-interaction" ${l(Object.keys(e.interaction).length)}>\n            <input :ref="result" class="pcr-result" type="text" spellcheck="false" ${l(e.interaction.input)} aria-label="${c("aria:input")}">\n\n            <input :arr="options" class="pcr-type" data-type="HEXA" value="${r?"HEX":"HEXA"}" type="button" ${l(e.interaction.hex)}>\n            <input :arr="options" class="pcr-type" data-type="RGBA" value="${r?"RGB":"RGBA"}" type="button" ${l(e.interaction.rgba)}>\n            <input :arr="options" class="pcr-type" data-type="HSLA" value="${r?"HSL":"HSLA"}" type="button" ${l(e.interaction.hsla)}>\n            <input :arr="options" class="pcr-type" data-type="HSVA" value="${r?"HSV":"HSVA"}" type="button" ${l(e.interaction.hsva)}>\n            <input :arr="options" class="pcr-type" data-type="CMYK" value="CMYK" type="button" ${l(e.interaction.cmyk)}>\n\n            <input :ref="save" class="pcr-save" value="${c("btn:save")}" type="button" ${l(e.interaction.save)} aria-label="${c("aria:btn:save")}">\n            <input :ref="cancel" class="pcr-cancel" value="${c("btn:cancel")}" type="button" ${l(e.interaction.cancel)} aria-label="${c("aria:btn:cancel")}">\n            <input :ref="clear" class="pcr-clear" value="${c("btn:clear")}" type="button" ${l(e.interaction.clear)} aria-label="${c("aria:btn:clear")}">\n          </div>\n        </div>\n      </div>\n    `),h=p.interaction;return h.options.find((t=>!t.hidden&&!t.classList.add("active"))),h.type=()=>h.options.find((t=>t.classList.contains("active"))),p})(this),t.useAsButton&&(this._root.button=t.el),t.container.appendChild(this._root.root);}_finalBuild(){const t=this.options,e=this._root;if(t.container.removeChild(e.root),t.inline){const o=t.el.parentElement;t.el.nextSibling?o.insertBefore(e.app,t.el.nextSibling):o.appendChild(e.app);}else t.container.appendChild(e.app);t.useAsButton?t.inline&&t.el.remove():t.el.parentNode.replaceChild(e.root,t.el),t.disabled&&this.disable(),t.comparison||(e.button.style.transition="none",t.useAsButton||(e.preview.lastColor.style.transition="none")),this.hide();}_buildComponents(){const t=this,e=this.options.components,o=(t.options.sliders||"v").repeat(2),[n,i]=o.match(/^[vh]+$/g)?o:[],s=()=>this._color||(this._color=this._lastColor.clone()),r={palette:S({element:t._root.palette.picker,wrapper:t._root.palette.palette,onstop:()=>t._emit("changestop","slider",t),onchange(o,n){if(!e.palette)return;const i=s(),{_root:r,options:a}=t,{lastColor:l,currentColor:c}=r.preview;t._recalc&&(i.s=100*o,i.v=100-100*n,i.v<0&&(i.v=0),t._updateOutput("slider"));const p=i.toRGBA().toString(0);this.element.style.background=p,this.wrapper.style.background=`\n                        linear-gradient(to top, rgba(0, 0, 0, ${i.a}), transparent),\n                        linear-gradient(to left, hsla(${i.h}, 100%, 50%, ${i.a}), rgba(255, 255, 255, ${i.a}))\n                    `,a.comparison?a.useAsButton||t._lastColor||l.style.setProperty("--pcr-color",p):(r.button.style.setProperty("--pcr-color",p),r.button.classList.remove("clear"));const h=i.toHEXA().toString();for(const{el:e,color:o}of t._swatchColors)e.classList[h===o.toHEXA().toString()?"add":"remove"]("pcr-active");c.style.setProperty("--pcr-color",p);}}),hue:S({lock:"v"===i?"h":"v",element:t._root.hue.picker,wrapper:t._root.hue.slider,onstop:()=>t._emit("changestop","slider",t),onchange(o){if(!e.hue||!e.palette)return;const n=s();t._recalc&&(n.h=360*o),this.element.style.backgroundColor=`hsl(${n.h}, 100%, 50%)`,r.palette.trigger();}}),opacity:S({lock:"v"===n?"h":"v",element:t._root.opacity.picker,wrapper:t._root.opacity.slider,onstop:()=>t._emit("changestop","slider",t),onchange(o){if(!e.opacity||!e.palette)return;const n=s();t._recalc&&(n.a=Math.round(100*o)/100),this.element.style.background=`rgba(0, 0, 0, ${n.a})`,r.palette.trigger();}}),selectable:O({elements:t._root.interaction.options,className:"active",onchange(e){t._representation=e.target.getAttribute("data-type").toUpperCase(),t._recalc&&t._updateOutput("swatch");}})};this._components=r;}_bindEvents(){const{_root:t,options:e}=this,o=[i(t.interaction.clear,"click",(()=>this._clearColor())),i([t.interaction.cancel,t.preview.lastColor],"click",(()=>{this.setHSVA(...(this._lastColor||this._color).toHSVA(),!0),this._emit("cancel");})),i(t.interaction.save,"click",(()=>{!this.applyColor()&&!e.showAlways&&this.hide();})),i(t.interaction.result,["keyup","input"],(t=>{this.setColor(t.target.value,!0)&&!this._initializingActive&&(this._emit("change",this._color,"input",this),this._emit("changestop","input",this)),t.stopImmediatePropagation();})),i(t.interaction.result,["focus","blur"],(t=>{this._recalc="blur"===t.type,this._recalc&&this._updateOutput(null);})),i([t.palette.palette,t.palette.picker,t.hue.slider,t.hue.picker,t.opacity.slider,t.opacity.picker],["mousedown","touchstart"],(()=>this._recalc=!0),{passive:!0})];if(!e.showAlways){const n=e.closeWithKey;o.push(i(t.button,"click",(()=>this.isOpen()?this.hide():this.show())),i(document,"keyup",(t=>this.isOpen()&&(t.key===n||t.code===n)&&this.hide())),i(document,["touchstart","mousedown"],(e=>{this.isOpen()&&!l(e).some((e=>e===t.app||e===t.button))&&this.hide();}),{capture:!0}));}if(e.adjustableNumbers){const e={rgba:[255,255,255,1],hsva:[360,100,100,1],hsla:[360,100,100,1],cmyk:[100,100,100,100]};p(t.interaction.result,((t,o,n)=>{const i=e[this.getColorRepresentation().toLowerCase()];if(i){const e=i[n],s=t+(e>=100?1e3*o:o);return s<=0?0:Number((s<e?s:e).toPrecision(3))}return t}));}if(e.autoReposition&&!e.inline){let t=null;const n=this;o.push(i(window,["scroll","resize"],(()=>{n.isOpen()&&(e.closeOnScroll&&n.hide(),null===t?(t=setTimeout((()=>t=null),100),requestAnimationFrame((function e(){n._rePositioningPicker(),null!==t&&requestAnimationFrame(e);}))):(clearTimeout(t),t=setTimeout((()=>t=null),100)));}),{capture:!0}));}this._eventBindings=o;}_rePositioningPicker(){const{options:t}=this;if(!t.inline){if(!this._nanopop.update({container:document.body.getBoundingClientRect(),position:t.position})){const t=this._root.app,e=t.getBoundingClientRect();t.style.top=(window.innerHeight-e.height)/2+"px",t.style.left=(window.innerWidth-e.width)/2+"px";}}}_updateOutput(t){const{_root:e,_color:o,options:n}=this;if(e.interaction.type()){const t=`to${e.interaction.type().getAttribute("data-type")}`;e.interaction.result.value="function"==typeof o[t]?o[t]().toString(n.outputPrecision):"";}!this._initializingActive&&this._recalc&&this._emit("change",o,t,this);}_clearColor(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const{_root:e,options:o}=this;o.useAsButton||e.button.style.setProperty("--pcr-color","rgba(0, 0, 0, 0.15)"),e.button.classList.add("clear"),o.showAlways||this.hide(),this._lastColor=null,this._initializingActive||t||(this._emit("save",null),this._emit("clear"));}_parseLocalColor(t){const{values:e,type:o,a:n}=C(t),{lockOpacity:i}=this.options,s=void 0!==n&&1!==n;return e&&3===e.length&&(e[3]=void 0),{values:!e||i&&s?null:e,type:o}}_t(t){return this.options.i18n[t]||x.I18N_DEFAULTS[t]}_emit(t){for(var e=arguments.length,o=new Array(e>1?e-1:0),n=1;n<e;n++)o[n-1]=arguments[n];this._eventListener[t].forEach((t=>t(...o,this)));}on(t,e){return this._eventListener[t].push(e),this}off(t,e){const o=this._eventListener[t]||[],n=o.indexOf(e);return ~n&&o.splice(n,1),this}addSwatch(t){const{values:e}=this._parseLocalColor(t);if(e){const{_swatchColors:t,_root:o}=this,n=$(...e),s=r(`<button type="button" style="--pcr-color: ${n.toRGBA().toString(0)}" aria-label="${this._t("btn:swatch")}"/>`);return o.swatches.appendChild(s),t.push({el:s,color:n}),this._eventBindings.push(i(s,"click",(()=>{this.setHSVA(...n.toHSVA(),!0),this._emit("swatchselect",n),this._emit("change",n,"swatch",this);}))),!0}return !1}removeSwatch(t){const e=this._swatchColors[t];if(e){const{el:o}=e;return this._root.swatches.removeChild(o),this._swatchColors.splice(t,1),!0}return !1}applyColor(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const{preview:e,button:o}=this._root,n=this._color.toRGBA().toString(0);return e.lastColor.style.setProperty("--pcr-color",n),this.options.useAsButton||o.style.setProperty("--pcr-color",n),o.classList.remove("clear"),this._lastColor=this._color.clone(),this._initializingActive||t||this._emit("save",this._color),this}destroy(){cancelAnimationFrame(this._setupAnimationFrame),this._eventBindings.forEach((t=>s(...t))),Object.keys(this._components).forEach((t=>this._components[t].destroy()));}destroyAndRemove(){this.destroy();const{root:t,app:e}=this._root;t.parentElement&&t.parentElement.removeChild(t),e.parentElement.removeChild(e),Object.keys(this).forEach((t=>this[t]=null));}hide(){return !!this.isOpen()&&(this._root.app.classList.remove("visible"),this._emit("hide"),!0)}show(){return !this.options.disabled&&!this.isOpen()&&(this._root.app.classList.add("visible"),this._rePositioningPicker(),this._emit("show",this._color),this)}isOpen(){return this._root.app.classList.contains("visible")}setHSVA(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:360,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1,i=arguments.length>4&&void 0!==arguments[4]&&arguments[4];const s=this._recalc;if(this._recalc=!1,t<0||t>360||e<0||e>100||o<0||o>100||n<0||n>1)return !1;this._color=$(t,e,o,n);const{hue:r,opacity:a,palette:l}=this._components;return r.update(t/360),a.update(n),l.update(e/100,1-o/100),i||this.applyColor(),s&&this._updateOutput(),this._recalc=s,!0}setColor(t){let e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(null===t)return this._clearColor(e),!0;const{values:o,type:n}=this._parseLocalColor(t);if(o){const t=n.toUpperCase(),{options:i}=this._root.interaction,s=i.find((e=>e.getAttribute("data-type")===t));if(s&&!s.hidden)for(const t of i)t.classList[t===s?"add":"remove"]("active");return !!this.setHSVA(...o,e)&&this.setColorRepresentation(t)}return !1}setColorRepresentation(t){return t=t.toUpperCase(),!!this._root.interaction.options.find((e=>e.getAttribute("data-type").startsWith(t)&&!e.click()))}getColorRepresentation(){return this._representation}getColor(){return this._color}getSelectedColor(){return this._lastColor}getRoot(){return this._root}disable(){return this.hide(),this.options.disabled=!0,this._root.button.classList.add("disabled"),this}enable(){return this.options.disabled=!1,this._root.button.classList.remove("disabled"),this}}return P(x,"utils",o),P(x,"version","1.8.4"),P(x,"I18N_DEFAULTS",{"ui:dialog":"color picker dialog","btn:toggle":"toggle color picker dialog","btn:swatch":"color swatch","btn:last-color":"use previous color","btn:save":"Save","btn:cancel":"Cancel","btn:clear":"Clear","aria:btn:save":"save and close","aria:btn:cancel":"cancel and close","aria:btn:clear":"clear and close","aria:input":"color input field","aria:palette":"color selection area","aria:hue":"hue selection slider","aria:opacity":"selection slider"}),P(x,"DEFAULT_OPTIONS",{appClass:null,theme:"classic",useAsButton:!1,padding:8,disabled:!1,comparison:!0,closeOnScroll:!1,outputPrecision:0,lockOpacity:!1,autoReposition:!0,container:"body",components:{interaction:{}},i18n:{},swatches:null,inline:!1,sliders:null,default:"#42445a",defaultRepresentation:null,position:"bottom-middle",adjustableNumbers:!0,showAlways:!1,closeWithKey:"Escape"}),P(x,"create",(t=>new x(t))),e=e.default})()}));

});

var Pickr = /*@__PURE__*/getDefaultExportFromCjs(pickr_min);

class VariableColorSettingComponent extends AbstractSettingComponent {
    render() {
        var _a;
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting.default !== 'string' ||
            !isValidDefaultColor(this.setting.default)) {
            this.setting.default = (_a = this.settingsManager.plugin
                .getCSSVar(this.setting.id)
                .current) === null || _a === void 0 ? void 0 : _a.trim();
        }
        if (typeof this.setting.default !== 'string' ||
            !isValidDefaultColor(this.setting.default)) {
            return console.error(`${t('Error:')} ${title} ${t('missing default value, or value is not in a valid color format')}`);
        }
        const value = this.settingsManager.getSetting(this.sectionId, this.setting.id);
        const swatches = [];
        if (this.setting.default) {
            swatches.push(this.setting.default);
        }
        if (value !== undefined) {
            swatches.push(value);
        }
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(createDescription(description, this.setting.default));
        // fix, so that the color is correctly shown before the color picker has been opened
        const defaultColor = value !== undefined ? value : this.setting.default;
        this.containerEl.style.setProperty('--pcr-color', defaultColor);
        this.pickr = Pickr.create(getPickrSettings({
            isView: this.isView,
            el: this.settingEl.controlEl.createDiv({ cls: 'picker' }),
            containerEl: this.containerEl,
            swatches: swatches,
            opacity: this.setting.opacity,
            defaultColor: defaultColor,
        }));
        this.pickr.on('save', (color, instance) => {
            if (!color)
                return;
            this.settingsManager.setSetting(this.sectionId, this.setting.id, color.toHEXA().toString());
            instance.hide();
            instance.addSwatch(color.toHEXA().toString());
        });
        this.pickr.on('show', () => {
            const { result } = this.pickr.getRoot().interaction;
            activeWindow.requestAnimationFrame(() => {
                activeWindow.requestAnimationFrame(() => result.select());
            });
        });
        this.pickr.on('cancel', onPickrCancel);
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                this.pickr.setColor(this.setting.default);
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a, _b;
        (_a = this.pickr) === null || _a === void 0 ? void 0 : _a.destroyAndRemove();
        this.pickr = undefined;
        (_b = this.settingEl) === null || _b === void 0 ? void 0 : _b.settingEl.remove();
    }
}

class VariableNumberSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting.default !== 'number') {
            return console.error(`${t('Error:')} ${title} ${t('missing default value')}`);
        }
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(createDescription(description, this.setting.default.toString(10)));
        this.settingEl.addText((text) => {
            const value = this.settingsManager.getSetting(this.sectionId, this.setting.id);
            const onChange = obsidian.debounce((value) => {
                const isFloat = /\./.test(value);
                this.settingsManager.setSetting(this.sectionId, this.setting.id, isFloat ? parseFloat(value) : parseInt(value, 10));
            }, 250, true);
            text.setValue(value !== undefined ? value.toString() : this.setting.default.toString());
            text.onChange(onChange);
            this.textComponent = text;
        });
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                this.textComponent.setValue(this.setting.default.toString());
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
}

class VariableNumberSliderSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting.default !== 'number') {
            return console.error(`${t('Error:')} ${title} ${t('missing default value')}`);
        }
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(createDescription(description, this.setting.default.toString(10)));
        this.settingEl.addSlider((slider) => {
            const value = this.settingsManager.getSetting(this.sectionId, this.setting.id);
            const onChange = obsidian.debounce((value) => {
                this.settingsManager.setSetting(this.sectionId, this.setting.id, value);
            }, 250, true);
            slider.setDynamicTooltip();
            slider.setLimits(this.setting.min, this.setting.max, this.setting.step);
            slider.setValue(value !== undefined ? value : this.setting.default);
            slider.onChange(onChange);
            this.sliderComponent = slider;
        });
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                this.sliderComponent.setValue(this.setting.default);
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
}

class VariableSelectSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting.default !== 'string') {
            return console.error(`${t('Error:')} ${title} ${t('missing default value')}`);
        }
        const defaultLabel = this.getDefaultOptionLabel();
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(createDescription(description, this.setting.default, defaultLabel));
        this.settingEl.addDropdown((dropdown) => {
            const value = this.settingsManager.getSetting(this.sectionId, this.setting.id);
            for (const o of this.setting.options) {
                if (typeof o === 'string') {
                    dropdown.addOption(o, o);
                }
                else {
                    dropdown.addOption(o.value, o.label);
                }
            }
            dropdown.setValue(value !== undefined ? value : this.setting.default);
            dropdown.onChange((value) => {
                this.settingsManager.setSetting(this.sectionId, this.setting.id, value);
            });
            this.dropdownComponent = dropdown;
        });
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                this.dropdownComponent.setValue(this.setting.default);
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
    getDefaultOption() {
        if (this.setting.default) {
            return this.setting.options.find((o) => {
                if (typeof o === 'string') {
                    return o === this.setting.default;
                }
                return o.value === this.setting.default;
            });
        }
        return undefined;
    }
    getDefaultOptionLabel() {
        const defaultOption = this.getDefaultOption();
        if (defaultOption) {
            if (typeof defaultOption === 'string') {
                return defaultOption;
            }
            return defaultOption.label;
        }
        return undefined;
    }
}

class VariableTextSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting.default !== 'string') {
            return console.error(`${t('Error:')} ${title} ${t('missing default value')}`);
        }
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        this.settingEl.setDesc(createDescription(description, this.setting.default));
        this.settingEl.addText((text) => {
            let value = this.settingsManager.getSetting(this.sectionId, this.setting.id);
            const onChange = obsidian.debounce((value) => {
                this.settingsManager.setSetting(this.sectionId, this.setting.id, sanitizeText(value));
            }, 250, true);
            if (this.setting.quotes && value === `""`) {
                value = ``;
            }
            text.setValue(value ? value.toString() : this.setting.default);
            text.onChange(onChange);
            this.textComponent = text;
        });
        this.settingEl.addExtraButton((b) => {
            b.setIcon('reset');
            b.onClick(() => {
                this.textComponent.setValue(this.setting.default);
                this.settingsManager.clearSetting(this.sectionId, this.setting.id);
            });
            b.setTooltip(resetTooltip);
        });
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
    }
}

class VariableThemedColorSettingComponent extends AbstractSettingComponent {
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        if (typeof this.setting['default-light'] !== 'string' ||
            !isValidDefaultColor(this.setting['default-light'])) {
            return console.error(`${t('Error:')} ${title} ${t('missing default light value, or value is not in a valid color format')}`);
        }
        if (typeof this.setting['default-dark'] !== 'string' ||
            !isValidDefaultColor(this.setting['default-dark'])) {
            return console.error(`${t('Error:')} ${title} ${t('missing default dark value, or value is not in a valid color format')}`);
        }
        const idLight = `${this.setting.id}@@light`;
        const idDark = `${this.setting.id}@@dark`;
        const valueLight = this.settingsManager.getSetting(this.sectionId, idLight);
        const valueDark = this.settingsManager.getSetting(this.sectionId, idDark);
        const swatchesLight = [];
        const swatchesDark = [];
        if (this.setting['default-light']) {
            swatchesLight.push(this.setting['default-light']);
        }
        if (valueLight !== undefined) {
            swatchesLight.push(valueLight);
        }
        if (this.setting['default-dark']) {
            swatchesDark.push(this.setting['default-dark']);
        }
        if (valueDark !== undefined) {
            swatchesDark.push(valueDark);
        }
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setName(title);
        // Construct description
        this.settingEl.descEl.createSpan({}, (span) => {
            if (description) {
                span.appendChild(document.createTextNode(description));
            }
        });
        this.settingEl.descEl.createDiv({}, (div) => {
            div.createEl('small', {}, (sm) => {
                sm.appendChild(createEl('strong', { text: 'Default (light): ' }));
                sm.appendChild(document.createTextNode(this.setting['default-light']));
            });
            div.createEl('br');
            div.createEl('small', {}, (sm) => {
                sm.appendChild(createEl('strong', { text: 'Default (dark): ' }));
                sm.appendChild(document.createTextNode(this.setting['default-dark']));
            });
        });
        const wrapper = this.settingEl.controlEl.createDiv({
            cls: 'themed-color-wrapper',
        });
        // Create light color picker
        this.createColorPickerLight(wrapper, this.containerEl, swatchesLight, valueLight, idLight);
        // Create dark color picker
        this.createColorPickerDark(wrapper, this.containerEl, swatchesDark, valueDark, idDark);
        this.settingEl.settingEl.dataset.id = this.setting.id;
    }
    destroy() {
        var _a, _b, _c;
        (_a = this.pickrLight) === null || _a === void 0 ? void 0 : _a.destroyAndRemove();
        (_b = this.pickrDark) === null || _b === void 0 ? void 0 : _b.destroyAndRemove();
        this.pickrLight = undefined;
        this.pickrDark = undefined;
        (_c = this.settingEl) === null || _c === void 0 ? void 0 : _c.settingEl.remove();
    }
    createColorPickerLight(wrapper, containerEl, swatchesLight, valueLight, idLight) {
        const themeLightWrapper = wrapper.createDiv({ cls: 'theme-light' });
        // fix, so that the color is correctly shown before the color picker has been opened
        const defaultColor = valueLight !== undefined
            ? valueLight
            : this.setting['default-light'];
        themeLightWrapper.style.setProperty('--pcr-color', defaultColor);
        this.pickrLight = Pickr.create(getPickrSettings({
            isView: this.isView,
            el: themeLightWrapper.createDiv({ cls: 'picker' }),
            containerEl,
            swatches: swatchesLight,
            opacity: this.setting.opacity,
            defaultColor: defaultColor,
        }));
        this.pickrLight.on('show', () => {
            const { result } = this.pickrLight.getRoot().interaction;
            activeWindow.requestAnimationFrame(() => activeWindow.requestAnimationFrame(() => result.select()));
        });
        this.pickrLight.on('save', (color, instance) => this.onSave(idLight, color, instance));
        this.pickrLight.on('cancel', onPickrCancel);
        const themeLightReset = new obsidian.ButtonComponent(themeLightWrapper.createDiv({ cls: 'pickr-reset' }));
        themeLightReset.setIcon('reset');
        themeLightReset.onClick(() => {
            this.pickrLight.setColor(this.setting['default-light']);
            this.settingsManager.clearSetting(this.sectionId, idLight);
        });
        themeLightReset.setTooltip(resetTooltip);
    }
    createColorPickerDark(wrapper, containerEl, swatchesDark, valueDark, idDark) {
        const themeDarkWrapper = wrapper.createDiv({ cls: 'theme-dark' });
        // fix, so that the color is correctly shown before the color picker has been opened
        const defaultColor = valueDark !== undefined
            ? valueDark
            : this.setting['default-dark'];
        themeDarkWrapper.style.setProperty('--pcr-color', defaultColor);
        this.pickrDark = Pickr.create(getPickrSettings({
            isView: this.isView,
            el: themeDarkWrapper.createDiv({ cls: 'picker' }),
            containerEl,
            swatches: swatchesDark,
            opacity: this.setting.opacity,
            defaultColor: defaultColor,
        }));
        this.pickrDark.on('show', () => {
            const { result } = this.pickrDark.getRoot().interaction;
            activeWindow.requestAnimationFrame(() => activeWindow.requestAnimationFrame(() => result.select()));
        });
        this.pickrDark.on('save', (color, instance) => this.onSave(idDark, color, instance));
        this.pickrDark.on('cancel', onPickrCancel);
        const themeDarkReset = new obsidian.ButtonComponent(themeDarkWrapper.createDiv({ cls: 'pickr-reset' }));
        themeDarkReset.setIcon('reset');
        themeDarkReset.onClick(() => {
            this.pickrDark.setColor(this.setting['default-dark']);
            this.settingsManager.clearSetting(this.sectionId, idDark);
        });
        themeDarkReset.setTooltip(resetTooltip);
    }
    onSave(id, color, instance) {
        if (!color)
            return;
        this.settingsManager.setSetting(this.sectionId, id, color.toHEXA().toString());
        instance.hide();
        instance.addSwatch(color.toHEXA().toString());
    }
}

function createSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView) {
    if (setting.type === SettingType.HEADING) {
        return new HeadingSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.INFO_TEXT) {
        return new InfoTextSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.CLASS_TOGGLE) {
        return new ClassToggleSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.CLASS_SELECT) {
        return new ClassMultiToggleSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.VARIABLE_TEXT) {
        return new VariableTextSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.VARIABLE_NUMBER) {
        return new VariableNumberSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.VARIABLE_NUMBER_SLIDER) {
        return new VariableNumberSliderSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.VARIABLE_SELECT) {
        return new VariableSelectSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.VARIABLE_COLOR) {
        return new VariableColorSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else if (setting.type === SettingType.VARIABLE_THEMED_COLOR) {
        return new VariableThemedColorSettingComponent(parent, sectionId, sectionName, setting, settingsManager, isView);
    }
    else {
        return undefined;
    }
}
function buildSettingComponentTree(opts) {
    const { containerEl, isView, sectionId, settings, settingsManager, sectionName, } = opts;
    const root = new HeadingSettingComponent(containerEl, sectionId, sectionName, settings[0], settingsManager, isView);
    let currentHeading = root;
    for (const setting of settings.splice(1)) {
        if (setting.type === 'heading') {
            const newHeading = setting;
            if (newHeading.level < currentHeading.setting.level) {
                while (newHeading.level < currentHeading.setting.level) {
                    currentHeading = currentHeading.parent;
                }
                if (currentHeading.setting.id === root.setting.id) {
                    currentHeading = currentHeading.addSettingChild(newHeading);
                }
                else {
                    currentHeading = currentHeading.parent.addSettingChild(newHeading);
                }
            }
            else if (newHeading.level === currentHeading.setting.level) {
                currentHeading = currentHeading.parent.addSettingChild(newHeading);
            }
            else {
                currentHeading = currentHeading.addSettingChild(newHeading);
            }
        }
        else {
            currentHeading.addSettingChild(setting);
        }
    }
    return root;
}
class HeadingSettingComponent extends AbstractSettingComponent {
    constructor() {
        super(...arguments);
        this.children = [];
        this.filteredChildren = [];
        this.filterMode = false;
        this.filterResultCount = 0;
    }
    render() {
        const title = getTitle(this.setting);
        const description = getDescription(this.setting);
        this.settingEl = new obsidian.Setting(this.containerEl);
        this.settingEl.setHeading();
        this.settingEl.setClass('style-settings-heading');
        this.settingEl.setName(title);
        this.settingEl.setDesc(description !== null && description !== void 0 ? description : '');
        this.settingEl.settingEl.dataset.level = this.setting.level.toString();
        this.settingEl.settingEl.dataset.id = this.setting.id;
        const iconContainer = createSpan({
            cls: 'style-settings-collapse-indicator',
        });
        obsidian.setIcon(iconContainer, 'right-triangle');
        this.settingEl.nameEl.prepend(iconContainer);
        this.resultsEl = this.settingEl.nameEl.createSpan({
            cls: 'style-settings-filter-result-count',
            text: this.filterMode ? `${this.filterResultCount} Results` : undefined,
        });
        this.settingEl.settingEl.addEventListener('click', () => {
            this.toggleVisible();
        });
        this.addResetButton();
        this.addExportButton();
        this.childEl = this.containerEl.createDiv({
            cls: 'style-settings-container',
        });
        this.setCollapsed(this.setting.collapsed);
    }
    destroy() {
        var _a;
        this.removeChildren();
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.remove();
        this.childEl.remove();
    }
    filter(filterString) {
        var _a;
        this.filteredChildren = [];
        this.filterResultCount = 0;
        for (const child of this.children) {
            if (child.setting.type === SettingType.HEADING) {
                const childResultCount = child.filter(filterString);
                if (childResultCount > 0) {
                    this.filterResultCount += childResultCount;
                    this.filteredChildren.push(child);
                }
            }
            else {
                if (child.decisiveMatch(filterString)) {
                    this.filteredChildren.push(child);
                    this.filterResultCount += 1;
                }
            }
        }
        this.filterMode = true;
        if (this.filterResultCount) {
            this.setCollapsed(false);
        }
        else {
            this.setCollapsed(true);
        }
        this.renderChildren();
        (_a = this.resultsEl) === null || _a === void 0 ? void 0 : _a.setText(`${this.filterResultCount} Results`);
        return this.filterResultCount;
    }
    clearFilter() {
        var _a;
        this.filteredChildren = [];
        for (const child of this.children) {
            if (child.setting.type === SettingType.HEADING) {
                child.clearFilter();
            }
        }
        this.filterMode = false;
        this.setCollapsed(true);
        this.renderChildren();
        (_a = this.resultsEl) === null || _a === void 0 ? void 0 : _a.empty();
    }
    renderChildren() {
        this.removeChildren();
        if (this.filterMode) {
            for (const child of this.filteredChildren) {
                this.addChild(child);
            }
        }
        else {
            for (const child of this.children) {
                this.addChild(child);
            }
        }
    }
    removeChildren() {
        for (const child of this.children) {
            this.removeChild(child);
        }
    }
    toggleVisible() {
        this.setCollapsed(!this.setting.collapsed);
    }
    setCollapsed(collapsed) {
        var _a;
        this.setting.collapsed = collapsed;
        (_a = this.settingEl) === null || _a === void 0 ? void 0 : _a.settingEl.toggleClass('is-collapsed', collapsed);
        if (collapsed) {
            this.removeChildren();
        }
        else {
            this.renderChildren();
        }
    }
    addResetButton() {
        if (this.setting.resetFn) {
            this.settingEl.addExtraButton((b) => {
                b.setIcon('reset')
                    .setTooltip('Reset all settings to default')
                    .onClick(this.setting.resetFn);
            });
        }
    }
    addExportButton() {
        this.settingEl.addExtraButton((b) => {
            b.setIcon('install');
            b.setTooltip('Export settings');
            b.extraSettingsEl.onClickEvent((e) => {
                e.stopPropagation();
                let title = getTitle(this.setting);
                title =
                    this.sectionName === title ? title : `${this.sectionName} > ${title}`;
                this.settingsManager.export(title, this.settingsManager.getSettings(this.sectionId, this.getAllChildrenIds()));
            });
        });
    }
    addSettingChild(child) {
        const newSettingComponent = createSettingComponent(this, this.sectionId, this.sectionName, child, this.settingsManager, this.isView);
        if (!newSettingComponent) {
            return undefined;
        }
        this.children.push(newSettingComponent);
        return newSettingComponent;
    }
    getAllChildrenIds() {
        const children = [];
        for (const child of this.children) {
            children.push(child.setting.id);
            if (child.setting.type === 'heading') {
                children.push(...child.getAllChildrenIds());
            }
        }
        return children;
    }
}

class SettingsMarkup extends obsidian.Component {
    constructor(app, plugin, containerEl, isView) {
        super();
        this.settingsComponentTrees = [];
        this.filterString = '';
        this.settings = [];
        this.errorList = [];
        this.app = app;
        this.plugin = plugin;
        this.containerEl = containerEl;
        this.isView = !!isView;
    }
    onload() {
        this.display();
    }
    onunload() {
        this.settingsComponentTrees = [];
    }
    display() {
        this.generate(this.settings);
    }
    removeChildren() {
        for (const settingsComponentTree of this.settingsComponentTrees) {
            this.removeChild(settingsComponentTree);
        }
    }
    /**
     * Recursively destroys all setting elements.
     */
    cleanup() {
        var _a;
        this.removeChildren();
        (_a = this.settingsContainerEl) === null || _a === void 0 ? void 0 : _a.empty();
    }
    setSettings(settings, errorList) {
        this.settings = settings;
        this.errorList = errorList;
        if (this.containerEl.parentNode) {
            this.generate(settings);
        }
    }
    displayErrors() {
        const { containerEl, errorList } = this;
        errorList.forEach((err) => {
            containerEl.createDiv({ cls: 'style-settings-error' }, (wrapper) => {
                wrapper.createDiv({
                    cls: 'style-settings-error-name',
                    text: `Error: ${err.name}`,
                });
                wrapper.createDiv({
                    cls: 'style-settings-error-desc',
                    text: err.error,
                });
            });
        });
    }
    displayEmpty() {
        const { containerEl } = this;
        containerEl.createDiv({ cls: 'style-settings-empty' }, (wrapper) => {
            wrapper.createDiv({
                cls: 'style-settings-empty-name',
                text: 'No style settings found',
            });
            wrapper.createDiv({ cls: 'style-settings-empty-desc' }).appendChild(createFragment((frag) => {
                frag.appendText('Style settings configured by theme and plugin authors will show up here. You can also create your own configuration by creating a CSS snippet in your vault. ');
                frag.createEl('a', {
                    text: 'Click here for details and examples.',
                    href: 'https://github.com/mgmeyers/obsidian-style-settings#obsidian-style-settings-plugin',
                });
            }));
        });
    }
    generate(settings) {
        var _a;
        const { containerEl, plugin } = this;
        containerEl.empty();
        this.cleanup();
        this.displayErrors();
        if (settings.length === 0) {
            return this.displayEmpty();
        }
        new obsidian.Setting(containerEl).then((setting) => {
            // Build and import link to open the import modal
            setting.controlEl.createEl('a', {
                cls: 'style-settings-import',
                text: 'Import',
                href: '#',
            }, (el) => {
                el.addEventListener('click', (e) => {
                    e.preventDefault();
                    this.plugin.settingsManager.import();
                });
            });
            // Build and export link to open the export modal
            setting.controlEl.createEl('a', {
                cls: 'style-settings-export',
                text: 'Export',
                href: '#',
            }, (el) => {
                el.addEventListener('click', (e) => {
                    e.preventDefault();
                    this.plugin.settingsManager.export('All settings', this.plugin.settingsManager.settings);
                });
            });
            // Searchbar
            let searchComponent;
            setting.addSearch((s) => {
                searchComponent = s;
            });
            // move the search component from the back to the front
            setting.nameEl.appendChild(setting.controlEl.lastChild);
            searchComponent.setValue(this.filterString);
            searchComponent.onChange(obsidian.debounce((value) => {
                this.filterString = value;
                if (value) {
                    this.filter();
                }
                else {
                    this.clearFilter();
                }
            }, 250, true));
            searchComponent.setPlaceholder('Search Style Settings...');
        });
        this.settingsContainerEl = containerEl.createDiv();
        this.settingsComponentTrees = [];
        for (const s of settings) {
            const options = [
                {
                    id: s.id,
                    type: 'heading',
                    title: s.name,
                    level: 0,
                    collapsed: (_a = s.collapsed) !== null && _a !== void 0 ? _a : true,
                    resetFn: () => {
                        plugin.settingsManager.clearSection(s.id);
                        this.rerender();
                    },
                },
                ...s.settings,
            ];
            try {
                const settingsComponentTree = buildSettingComponentTree({
                    containerEl: this.settingsContainerEl,
                    isView: this.isView,
                    sectionId: s.id,
                    sectionName: s.name,
                    settings: options,
                    settingsManager: plugin.settingsManager,
                });
                this.addChild(settingsComponentTree);
                this.settingsComponentTrees.push(settingsComponentTree);
            }
            catch (e) {
                console.error('Style Settings | Failed to render section', e);
            }
        }
    }
    /**
     * Recursively filter all setting elements based on `filterString` and then re-renders.
     */
    filter() {
        for (const settingsComponentTree of this.settingsComponentTrees) {
            settingsComponentTree.filter(this.filterString);
        }
    }
    /**
     * Recursively clears the filter and then re-renders.
     */
    clearFilter() {
        for (const settingsComponentTree of this.settingsComponentTrees) {
            settingsComponentTree.clearFilter();
        }
    }
    rerender() {
        this.cleanup();
        this.display();
    }
}

class CSSSettingsTab extends obsidian.PluginSettingTab {
    constructor(app, plugin) {
        super(app, plugin);
        this.plugin = plugin;
    }
    setSettings(settings, errorList) {
        this.settings = settings;
        this.errorList = errorList;
        if (this.settingsMarkup) {
            this.settingsMarkup.setSettings(settings, errorList);
        }
    }
    display() {
        this.settingsMarkup = this.plugin.addChild(new SettingsMarkup(this.app, this.plugin, this.containerEl));
        if (this.settings) {
            this.settingsMarkup.setSettings(this.settings, this.errorList);
        }
    }
    hide() {
        this.plugin.removeChild(this.settingsMarkup);
        this.settingsMarkup = null;
    }
}

const viewType = 'style-settings';
class SettingsView extends obsidian.ItemView {
    constructor(plugin, leaf) {
        super(leaf);
        this.plugin = plugin;
    }
    setSettings(settings, errorList) {
        this.settings = settings;
        this.errorList = errorList;
        if (this.settingsMarkup) {
            this.settingsMarkup.setSettings(settings, errorList);
        }
    }
    onload() {
        this.settingsMarkup = this.addChild(new SettingsMarkup(this.plugin.app, this.plugin, this.contentEl, true));
        if (this.settings) {
            this.settingsMarkup.setSettings(this.settings, this.errorList);
        }
    }
    onunload() {
        this.settingsMarkup = null;
    }
    getViewType() {
        return viewType;
    }
    getIcon() {
        return 'gear';
    }
    getDisplayText() {
        return 'Style Settings';
    }
}

// Detect either spaces or tabs but not both to properly handle tabs for indentation and spaces for alignment
const INDENT_REGEX = /^(?:( )+|\t+)/;

const INDENT_TYPE_SPACE = 'space';
const INDENT_TYPE_TAB = 'tab';

/**
Make a Map that counts how many indents/unindents have occurred for a given size and how many lines follow a given indentation.

The key is a concatenation of the indentation type (s = space and t = tab) and the size of the indents/unindents.

```
indents = {
	t3: [1, 0],
	t4: [1, 5],
	s5: [1, 0],
	s12: [1, 0],
}
```
*/
function makeIndentsMap(string, ignoreSingleSpaces) {
	const indents = new Map();

	// Remember the size of previous line's indentation
	let previousSize = 0;
	let previousIndentType;

	// Indents key (ident type + size of the indents/unindents)
	let key;

	for (const line of string.split(/\n/g)) {
		if (!line) {
			// Ignore empty lines
			continue;
		}

		let indent;
		let indentType;
		let weight;
		let entry;
		const matches = line.match(INDENT_REGEX);

		if (matches === null) {
			previousSize = 0;
			previousIndentType = '';
		} else {
			indent = matches[0].length;
			indentType = matches[1] ? INDENT_TYPE_SPACE : INDENT_TYPE_TAB;

			// Ignore single space unless it's the only indent detected to prevent common false positives
			if (ignoreSingleSpaces && indentType === INDENT_TYPE_SPACE && indent === 1) {
				continue;
			}

			if (indentType !== previousIndentType) {
				previousSize = 0;
			}

			previousIndentType = indentType;

			weight = 0;

			const indentDifference = indent - previousSize;
			previousSize = indent;

			// Previous line have same indent?
			if (indentDifference === 0) {
				weight++;
				// We use the key from previous loop
			} else {
				const absoluteIndentDifference = indentDifference > 0 ? indentDifference : -indentDifference;
				key = encodeIndentsKey(indentType, absoluteIndentDifference);
			}

			// Update the stats
			entry = indents.get(key);
			entry = entry === undefined ? [1, 0] : [++entry[0], entry[1] + weight];

			indents.set(key, entry);
		}
	}

	return indents;
}

// Encode the indent type and amount as a string (e.g. 's4') for use as a compound key in the indents Map.
function encodeIndentsKey(indentType, indentAmount) {
	const typeCharacter = indentType === INDENT_TYPE_SPACE ? 's' : 't';
	return typeCharacter + String(indentAmount);
}

// Extract the indent type and amount from a key of the indents Map.
function decodeIndentsKey(indentsKey) {
	const keyHasTypeSpace = indentsKey[0] === 's';
	const type = keyHasTypeSpace ? INDENT_TYPE_SPACE : INDENT_TYPE_TAB;

	const amount = Number(indentsKey.slice(1));

	return {type, amount};
}

// Return the key (e.g. 's4') from the indents Map that represents the most common indent,
// or return undefined if there are no indents.
function getMostUsedKey(indents) {
	let result;
	let maxUsed = 0;
	let maxWeight = 0;

	for (const [key, [usedCount, weight]] of indents) {
		if (usedCount > maxUsed || (usedCount === maxUsed && weight > maxWeight)) {
			maxUsed = usedCount;
			maxWeight = weight;
			result = key;
		}
	}

	return result;
}

function makeIndentString(type, amount) {
	const indentCharacter = type === INDENT_TYPE_SPACE ? ' ' : '\t';
	return indentCharacter.repeat(amount);
}

function detectIndent(string) {
	if (typeof string !== 'string') {
		throw new TypeError('Expected a string');
	}

	// Identify indents while skipping single space indents to avoid common edge cases (e.g. code comments)
	// If no indents are identified, run again and include all indents for comprehensive detection
	let indents = makeIndentsMap(string, true);
	if (indents.size === 0) {
		indents = makeIndentsMap(string, false);
	}

	const keyOfMostUsedIndent = getMostUsedKey(indents);

	let type;
	let amount = 0;
	let indent = '';

	if (keyOfMostUsedIndent !== undefined) {
		({type, amount} = decodeIndentsKey(keyOfMostUsedIndent));
		indent = makeIndentString(type, amount);
	}

	return {
		amount,
		type,
		indent,
	};
}

/*! js-yaml 4.1.0 https://github.com/nodeca/js-yaml @license MIT */
function isNothing(subject) {
  return (typeof subject === 'undefined') || (subject === null);
}


function isObject(subject) {
  return (typeof subject === 'object') && (subject !== null);
}


function toArray(sequence) {
  if (Array.isArray(sequence)) return sequence;
  else if (isNothing(sequence)) return [];

  return [ sequence ];
}


function extend(target, source) {
  var index, length, key, sourceKeys;

  if (source) {
    sourceKeys = Object.keys(source);

    for (index = 0, length = sourceKeys.length; index < length; index += 1) {
      key = sourceKeys[index];
      target[key] = source[key];
    }
  }

  return target;
}


function repeat(string, count) {
  var result = '', cycle;

  for (cycle = 0; cycle < count; cycle += 1) {
    result += string;
  }

  return result;
}


function isNegativeZero(number) {
  return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);
}


var isNothing_1      = isNothing;
var isObject_1       = isObject;
var toArray_1        = toArray;
var repeat_1         = repeat;
var isNegativeZero_1 = isNegativeZero;
var extend_1         = extend;

var common = {
	isNothing: isNothing_1,
	isObject: isObject_1,
	toArray: toArray_1,
	repeat: repeat_1,
	isNegativeZero: isNegativeZero_1,
	extend: extend_1
};

// YAML error class. http://stackoverflow.com/questions/8458984


function formatError(exception, compact) {
  var where = '', message = exception.reason || '(unknown reason)';

  if (!exception.mark) return message;

  if (exception.mark.name) {
    where += 'in "' + exception.mark.name + '" ';
  }

  where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';

  if (!compact && exception.mark.snippet) {
    where += '\n\n' + exception.mark.snippet;
  }

  return message + ' ' + where;
}


function YAMLException$1(reason, mark) {
  // Super constructor
  Error.call(this);

  this.name = 'YAMLException';
  this.reason = reason;
  this.mark = mark;
  this.message = formatError(this, false);

  // Include stack trace in error object
  if (Error.captureStackTrace) {
    // Chrome and NodeJS
    Error.captureStackTrace(this, this.constructor);
  } else {
    // FF, IE 10+ and Safari 6+. Fallback for others
    this.stack = (new Error()).stack || '';
  }
}


// Inherit from Error
YAMLException$1.prototype = Object.create(Error.prototype);
YAMLException$1.prototype.constructor = YAMLException$1;


YAMLException$1.prototype.toString = function toString(compact) {
  return this.name + ': ' + formatError(this, compact);
};


var exception = YAMLException$1;

// get snippet for a single line, respecting maxLength
function getLine(buffer, lineStart, lineEnd, position, maxLineLength) {
  var head = '';
  var tail = '';
  var maxHalfLength = Math.floor(maxLineLength / 2) - 1;

  if (position - lineStart > maxHalfLength) {
    head = ' ... ';
    lineStart = position - maxHalfLength + head.length;
  }

  if (lineEnd - position > maxHalfLength) {
    tail = ' ...';
    lineEnd = position + maxHalfLength - tail.length;
  }

  return {
    str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail,
    pos: position - lineStart + head.length // relative position
  };
}


function padStart(string, max) {
  return common.repeat(' ', max - string.length) + string;
}


function makeSnippet(mark, options) {
  options = Object.create(options || null);

  if (!mark.buffer) return null;

  if (!options.maxLength) options.maxLength = 79;
  if (typeof options.indent      !== 'number') options.indent      = 1;
  if (typeof options.linesBefore !== 'number') options.linesBefore = 3;
  if (typeof options.linesAfter  !== 'number') options.linesAfter  = 2;

  var re = /\r?\n|\r|\0/g;
  var lineStarts = [ 0 ];
  var lineEnds = [];
  var match;
  var foundLineNo = -1;

  while ((match = re.exec(mark.buffer))) {
    lineEnds.push(match.index);
    lineStarts.push(match.index + match[0].length);

    if (mark.position <= match.index && foundLineNo < 0) {
      foundLineNo = lineStarts.length - 2;
    }
  }

  if (foundLineNo < 0) foundLineNo = lineStarts.length - 1;

  var result = '', i, line;
  var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length;
  var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3);

  for (i = 1; i <= options.linesBefore; i++) {
    if (foundLineNo - i < 0) break;
    line = getLine(
      mark.buffer,
      lineStarts[foundLineNo - i],
      lineEnds[foundLineNo - i],
      mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]),
      maxLineLength
    );
    result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) +
      ' | ' + line.str + '\n' + result;
  }

  line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength);
  result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) +
    ' | ' + line.str + '\n';
  result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n';

  for (i = 1; i <= options.linesAfter; i++) {
    if (foundLineNo + i >= lineEnds.length) break;
    line = getLine(
      mark.buffer,
      lineStarts[foundLineNo + i],
      lineEnds[foundLineNo + i],
      mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]),
      maxLineLength
    );
    result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) +
      ' | ' + line.str + '\n';
  }

  return result.replace(/\n$/, '');
}


var snippet = makeSnippet;

var TYPE_CONSTRUCTOR_OPTIONS = [
  'kind',
  'multi',
  'resolve',
  'construct',
  'instanceOf',
  'predicate',
  'represent',
  'representName',
  'defaultStyle',
  'styleAliases'
];

var YAML_NODE_KINDS = [
  'scalar',
  'sequence',
  'mapping'
];

function compileStyleAliases(map) {
  var result = {};

  if (map !== null) {
    Object.keys(map).forEach(function (style) {
      map[style].forEach(function (alias) {
        result[String(alias)] = style;
      });
    });
  }

  return result;
}

function Type$1(tag, options) {
  options = options || {};

  Object.keys(options).forEach(function (name) {
    if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {
      throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.');
    }
  });

  // TODO: Add tag format check.
  this.options       = options; // keep original options in case user wants to extend this type later
  this.tag           = tag;
  this.kind          = options['kind']          || null;
  this.resolve       = options['resolve']       || function () { return true; };
  this.construct     = options['construct']     || function (data) { return data; };
  this.instanceOf    = options['instanceOf']    || null;
  this.predicate     = options['predicate']     || null;
  this.represent     = options['represent']     || null;
  this.representName = options['representName'] || null;
  this.defaultStyle  = options['defaultStyle']  || null;
  this.multi         = options['multi']         || false;
  this.styleAliases  = compileStyleAliases(options['styleAliases'] || null);

  if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {
    throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.');
  }
}

var type = Type$1;

/*eslint-disable max-len*/





function compileList(schema, name) {
  var result = [];

  schema[name].forEach(function (currentType) {
    var newIndex = result.length;

    result.forEach(function (previousType, previousIndex) {
      if (previousType.tag === currentType.tag &&
          previousType.kind === currentType.kind &&
          previousType.multi === currentType.multi) {

        newIndex = previousIndex;
      }
    });

    result[newIndex] = currentType;
  });

  return result;
}


function compileMap(/* lists... */) {
  var result = {
        scalar: {},
        sequence: {},
        mapping: {},
        fallback: {},
        multi: {
          scalar: [],
          sequence: [],
          mapping: [],
          fallback: []
        }
      }, index, length;

  function collectType(type) {
    if (type.multi) {
      result.multi[type.kind].push(type);
      result.multi['fallback'].push(type);
    } else {
      result[type.kind][type.tag] = result['fallback'][type.tag] = type;
    }
  }

  for (index = 0, length = arguments.length; index < length; index += 1) {
    arguments[index].forEach(collectType);
  }
  return result;
}


function Schema$1(definition) {
  return this.extend(definition);
}


Schema$1.prototype.extend = function extend(definition) {
  var implicit = [];
  var explicit = [];

  if (definition instanceof type) {
    // Schema.extend(type)
    explicit.push(definition);

  } else if (Array.isArray(definition)) {
    // Schema.extend([ type1, type2, ... ])
    explicit = explicit.concat(definition);

  } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) {
    // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] })
    if (definition.implicit) implicit = implicit.concat(definition.implicit);
    if (definition.explicit) explicit = explicit.concat(definition.explicit);

  } else {
    throw new exception('Schema.extend argument should be a Type, [ Type ], ' +
      'or a schema definition ({ implicit: [...], explicit: [...] })');
  }

  implicit.forEach(function (type$1) {
    if (!(type$1 instanceof type)) {
      throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');
    }

    if (type$1.loadKind && type$1.loadKind !== 'scalar') {
      throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');
    }

    if (type$1.multi) {
      throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.');
    }
  });

  explicit.forEach(function (type$1) {
    if (!(type$1 instanceof type)) {
      throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');
    }
  });

  var result = Object.create(Schema$1.prototype);

  result.implicit = (this.implicit || []).concat(implicit);
  result.explicit = (this.explicit || []).concat(explicit);

  result.compiledImplicit = compileList(result, 'implicit');
  result.compiledExplicit = compileList(result, 'explicit');
  result.compiledTypeMap  = compileMap(result.compiledImplicit, result.compiledExplicit);

  return result;
};


var schema = Schema$1;

var str = new type('tag:yaml.org,2002:str', {
  kind: 'scalar',
  construct: function (data) { return data !== null ? data : ''; }
});

var seq = new type('tag:yaml.org,2002:seq', {
  kind: 'sequence',
  construct: function (data) { return data !== null ? data : []; }
});

var map = new type('tag:yaml.org,2002:map', {
  kind: 'mapping',
  construct: function (data) { return data !== null ? data : {}; }
});

var failsafe = new schema({
  explicit: [
    str,
    seq,
    map
  ]
});

function resolveYamlNull(data) {
  if (data === null) return true;

  var max = data.length;

  return (max === 1 && data === '~') ||
         (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));
}

function constructYamlNull() {
  return null;
}

function isNull(object) {
  return object === null;
}

var _null = new type('tag:yaml.org,2002:null', {
  kind: 'scalar',
  resolve: resolveYamlNull,
  construct: constructYamlNull,
  predicate: isNull,
  represent: {
    canonical: function () { return '~';    },
    lowercase: function () { return 'null'; },
    uppercase: function () { return 'NULL'; },
    camelcase: function () { return 'Null'; },
    empty:     function () { return '';     }
  },
  defaultStyle: 'lowercase'
});

function resolveYamlBoolean(data) {
  if (data === null) return false;

  var max = data.length;

  return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||
         (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));
}

function constructYamlBoolean(data) {
  return data === 'true' ||
         data === 'True' ||
         data === 'TRUE';
}

function isBoolean(object) {
  return Object.prototype.toString.call(object) === '[object Boolean]';
}

var bool = new type('tag:yaml.org,2002:bool', {
  kind: 'scalar',
  resolve: resolveYamlBoolean,
  construct: constructYamlBoolean,
  predicate: isBoolean,
  represent: {
    lowercase: function (object) { return object ? 'true' : 'false'; },
    uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },
    camelcase: function (object) { return object ? 'True' : 'False'; }
  },
  defaultStyle: 'lowercase'
});

function isHexCode(c) {
  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||
         ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||
         ((0x61/* a */ <= c) && (c <= 0x66/* f */));
}

function isOctCode(c) {
  return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));
}

function isDecCode(c) {
  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));
}

function resolveYamlInteger(data) {
  if (data === null) return false;

  var max = data.length,
      index = 0,
      hasDigits = false,
      ch;

  if (!max) return false;

  ch = data[index];

  // sign
  if (ch === '-' || ch === '+') {
    ch = data[++index];
  }

  if (ch === '0') {
    // 0
    if (index + 1 === max) return true;
    ch = data[++index];

    // base 2, base 8, base 16

    if (ch === 'b') {
      // base 2
      index++;

      for (; index < max; index++) {
        ch = data[index];
        if (ch === '_') continue;
        if (ch !== '0' && ch !== '1') return false;
        hasDigits = true;
      }
      return hasDigits && ch !== '_';
    }


    if (ch === 'x') {
      // base 16
      index++;

      for (; index < max; index++) {
        ch = data[index];
        if (ch === '_') continue;
        if (!isHexCode(data.charCodeAt(index))) return false;
        hasDigits = true;
      }
      return hasDigits && ch !== '_';
    }


    if (ch === 'o') {
      // base 8
      index++;

      for (; index < max; index++) {
        ch = data[index];
        if (ch === '_') continue;
        if (!isOctCode(data.charCodeAt(index))) return false;
        hasDigits = true;
      }
      return hasDigits && ch !== '_';
    }
  }

  // base 10 (except 0)

  // value should not start with `_`;
  if (ch === '_') return false;

  for (; index < max; index++) {
    ch = data[index];
    if (ch === '_') continue;
    if (!isDecCode(data.charCodeAt(index))) {
      return false;
    }
    hasDigits = true;
  }

  // Should have digits and should not end with `_`
  if (!hasDigits || ch === '_') return false;

  return true;
}

function constructYamlInteger(data) {
  var value = data, sign = 1, ch;

  if (value.indexOf('_') !== -1) {
    value = value.replace(/_/g, '');
  }

  ch = value[0];

  if (ch === '-' || ch === '+') {
    if (ch === '-') sign = -1;
    value = value.slice(1);
    ch = value[0];
  }

  if (value === '0') return 0;

  if (ch === '0') {
    if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);
    if (value[1] === 'x') return sign * parseInt(value.slice(2), 16);
    if (value[1] === 'o') return sign * parseInt(value.slice(2), 8);
  }

  return sign * parseInt(value, 10);
}

function isInteger(object) {
  return (Object.prototype.toString.call(object)) === '[object Number]' &&
         (object % 1 === 0 && !common.isNegativeZero(object));
}

var int = new type('tag:yaml.org,2002:int', {
  kind: 'scalar',
  resolve: resolveYamlInteger,
  construct: constructYamlInteger,
  predicate: isInteger,
  represent: {
    binary:      function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },
    octal:       function (obj) { return obj >= 0 ? '0o'  + obj.toString(8) : '-0o'  + obj.toString(8).slice(1); },
    decimal:     function (obj) { return obj.toString(10); },
    /* eslint-disable max-len */
    hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() :  '-0x' + obj.toString(16).toUpperCase().slice(1); }
  },
  defaultStyle: 'decimal',
  styleAliases: {
    binary:      [ 2,  'bin' ],
    octal:       [ 8,  'oct' ],
    decimal:     [ 10, 'dec' ],
    hexadecimal: [ 16, 'hex' ]
  }
});

var YAML_FLOAT_PATTERN = new RegExp(
  // 2.5e4, 2.5 and integers
  '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +
  // .2e4, .2
  // special case, seems not from spec
  '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +
  // .inf
  '|[-+]?\\.(?:inf|Inf|INF)' +
  // .nan
  '|\\.(?:nan|NaN|NAN))$');

function resolveYamlFloat(data) {
  if (data === null) return false;

  if (!YAML_FLOAT_PATTERN.test(data) ||
      // Quick hack to not allow integers end with `_`
      // Probably should update regexp & check speed
      data[data.length - 1] === '_') {
    return false;
  }

  return true;
}

function constructYamlFloat(data) {
  var value, sign;

  value  = data.replace(/_/g, '').toLowerCase();
  sign   = value[0] === '-' ? -1 : 1;

  if ('+-'.indexOf(value[0]) >= 0) {
    value = value.slice(1);
  }

  if (value === '.inf') {
    return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;

  } else if (value === '.nan') {
    return NaN;
  }
  return sign * parseFloat(value, 10);
}


var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;

function representYamlFloat(object, style) {
  var res;

  if (isNaN(object)) {
    switch (style) {
      case 'lowercase': return '.nan';
      case 'uppercase': return '.NAN';
      case 'camelcase': return '.NaN';
    }
  } else if (Number.POSITIVE_INFINITY === object) {
    switch (style) {
      case 'lowercase': return '.inf';
      case 'uppercase': return '.INF';
      case 'camelcase': return '.Inf';
    }
  } else if (Number.NEGATIVE_INFINITY === object) {
    switch (style) {
      case 'lowercase': return '-.inf';
      case 'uppercase': return '-.INF';
      case 'camelcase': return '-.Inf';
    }
  } else if (common.isNegativeZero(object)) {
    return '-0.0';
  }

  res = object.toString(10);

  // JS stringifier can build scientific format without dots: 5e-100,
  // while YAML requres dot: 5.e-100. Fix it with simple hack

  return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;
}

function isFloat(object) {
  return (Object.prototype.toString.call(object) === '[object Number]') &&
         (object % 1 !== 0 || common.isNegativeZero(object));
}

var float = new type('tag:yaml.org,2002:float', {
  kind: 'scalar',
  resolve: resolveYamlFloat,
  construct: constructYamlFloat,
  predicate: isFloat,
  represent: representYamlFloat,
  defaultStyle: 'lowercase'
});

var json = failsafe.extend({
  implicit: [
    _null,
    bool,
    int,
    float
  ]
});

var core = json;

var YAML_DATE_REGEXP = new RegExp(
  '^([0-9][0-9][0-9][0-9])'          + // [1] year
  '-([0-9][0-9])'                    + // [2] month
  '-([0-9][0-9])$');                   // [3] day

var YAML_TIMESTAMP_REGEXP = new RegExp(
  '^([0-9][0-9][0-9][0-9])'          + // [1] year
  '-([0-9][0-9]?)'                   + // [2] month
  '-([0-9][0-9]?)'                   + // [3] day
  '(?:[Tt]|[ \\t]+)'                 + // ...
  '([0-9][0-9]?)'                    + // [4] hour
  ':([0-9][0-9])'                    + // [5] minute
  ':([0-9][0-9])'                    + // [6] second
  '(?:\\.([0-9]*))?'                 + // [7] fraction
  '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour
  '(?::([0-9][0-9]))?))?$');           // [11] tz_minute

function resolveYamlTimestamp(data) {
  if (data === null) return false;
  if (YAML_DATE_REGEXP.exec(data) !== null) return true;
  if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;
  return false;
}

function constructYamlTimestamp(data) {
  var match, year, month, day, hour, minute, second, fraction = 0,
      delta = null, tz_hour, tz_minute, date;

  match = YAML_DATE_REGEXP.exec(data);
  if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);

  if (match === null) throw new Error('Date resolve error');

  // match: [1] year [2] month [3] day

  year = +(match[1]);
  month = +(match[2]) - 1; // JS month starts with 0
  day = +(match[3]);

  if (!match[4]) { // no hour
    return new Date(Date.UTC(year, month, day));
  }

  // match: [4] hour [5] minute [6] second [7] fraction

  hour = +(match[4]);
  minute = +(match[5]);
  second = +(match[6]);

  if (match[7]) {
    fraction = match[7].slice(0, 3);
    while (fraction.length < 3) { // milli-seconds
      fraction += '0';
    }
    fraction = +fraction;
  }

  // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute

  if (match[9]) {
    tz_hour = +(match[10]);
    tz_minute = +(match[11] || 0);
    delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds
    if (match[9] === '-') delta = -delta;
  }

  date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));

  if (delta) date.setTime(date.getTime() - delta);

  return date;
}

function representYamlTimestamp(object /*, style*/) {
  return object.toISOString();
}

var timestamp = new type('tag:yaml.org,2002:timestamp', {
  kind: 'scalar',
  resolve: resolveYamlTimestamp,
  construct: constructYamlTimestamp,
  instanceOf: Date,
  represent: representYamlTimestamp
});

function resolveYamlMerge(data) {
  return data === '<<' || data === null;
}

var merge = new type('tag:yaml.org,2002:merge', {
  kind: 'scalar',
  resolve: resolveYamlMerge
});

/*eslint-disable no-bitwise*/





// [ 64, 65, 66 ] -> [ padding, CR, LF ]
var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r';


function resolveYamlBinary(data) {
  if (data === null) return false;

  var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;

  // Convert one by one.
  for (idx = 0; idx < max; idx++) {
    code = map.indexOf(data.charAt(idx));

    // Skip CR/LF
    if (code > 64) continue;

    // Fail on illegal characters
    if (code < 0) return false;

    bitlen += 6;
  }

  // If there are any bits left, source was corrupted
  return (bitlen % 8) === 0;
}

function constructYamlBinary(data) {
  var idx, tailbits,
      input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan
      max = input.length,
      map = BASE64_MAP,
      bits = 0,
      result = [];

  // Collect by 6*4 bits (3 bytes)

  for (idx = 0; idx < max; idx++) {
    if ((idx % 4 === 0) && idx) {
      result.push((bits >> 16) & 0xFF);
      result.push((bits >> 8) & 0xFF);
      result.push(bits & 0xFF);
    }

    bits = (bits << 6) | map.indexOf(input.charAt(idx));
  }

  // Dump tail

  tailbits = (max % 4) * 6;

  if (tailbits === 0) {
    result.push((bits >> 16) & 0xFF);
    result.push((bits >> 8) & 0xFF);
    result.push(bits & 0xFF);
  } else if (tailbits === 18) {
    result.push((bits >> 10) & 0xFF);
    result.push((bits >> 2) & 0xFF);
  } else if (tailbits === 12) {
    result.push((bits >> 4) & 0xFF);
  }

  return new Uint8Array(result);
}

function representYamlBinary(object /*, style*/) {
  var result = '', bits = 0, idx, tail,
      max = object.length,
      map = BASE64_MAP;

  // Convert every three bytes to 4 ASCII characters.

  for (idx = 0; idx < max; idx++) {
    if ((idx % 3 === 0) && idx) {
      result += map[(bits >> 18) & 0x3F];
      result += map[(bits >> 12) & 0x3F];
      result += map[(bits >> 6) & 0x3F];
      result += map[bits & 0x3F];
    }

    bits = (bits << 8) + object[idx];
  }

  // Dump tail

  tail = max % 3;

  if (tail === 0) {
    result += map[(bits >> 18) & 0x3F];
    result += map[(bits >> 12) & 0x3F];
    result += map[(bits >> 6) & 0x3F];
    result += map[bits & 0x3F];
  } else if (tail === 2) {
    result += map[(bits >> 10) & 0x3F];
    result += map[(bits >> 4) & 0x3F];
    result += map[(bits << 2) & 0x3F];
    result += map[64];
  } else if (tail === 1) {
    result += map[(bits >> 2) & 0x3F];
    result += map[(bits << 4) & 0x3F];
    result += map[64];
    result += map[64];
  }

  return result;
}

function isBinary(obj) {
  return Object.prototype.toString.call(obj) ===  '[object Uint8Array]';
}

var binary = new type('tag:yaml.org,2002:binary', {
  kind: 'scalar',
  resolve: resolveYamlBinary,
  construct: constructYamlBinary,
  predicate: isBinary,
  represent: representYamlBinary
});

var _hasOwnProperty$3 = Object.prototype.hasOwnProperty;
var _toString$2       = Object.prototype.toString;

function resolveYamlOmap(data) {
  if (data === null) return true;

  var objectKeys = [], index, length, pair, pairKey, pairHasKey,
      object = data;

  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];
    pairHasKey = false;

    if (_toString$2.call(pair) !== '[object Object]') return false;

    for (pairKey in pair) {
      if (_hasOwnProperty$3.call(pair, pairKey)) {
        if (!pairHasKey) pairHasKey = true;
        else return false;
      }
    }

    if (!pairHasKey) return false;

    if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);
    else return false;
  }

  return true;
}

function constructYamlOmap(data) {
  return data !== null ? data : [];
}

var omap = new type('tag:yaml.org,2002:omap', {
  kind: 'sequence',
  resolve: resolveYamlOmap,
  construct: constructYamlOmap
});

var _toString$1 = Object.prototype.toString;

function resolveYamlPairs(data) {
  if (data === null) return true;

  var index, length, pair, keys, result,
      object = data;

  result = new Array(object.length);

  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];

    if (_toString$1.call(pair) !== '[object Object]') return false;

    keys = Object.keys(pair);

    if (keys.length !== 1) return false;

    result[index] = [ keys[0], pair[keys[0]] ];
  }

  return true;
}

function constructYamlPairs(data) {
  if (data === null) return [];

  var index, length, pair, keys, result,
      object = data;

  result = new Array(object.length);

  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];

    keys = Object.keys(pair);

    result[index] = [ keys[0], pair[keys[0]] ];
  }

  return result;
}

var pairs = new type('tag:yaml.org,2002:pairs', {
  kind: 'sequence',
  resolve: resolveYamlPairs,
  construct: constructYamlPairs
});

var _hasOwnProperty$2 = Object.prototype.hasOwnProperty;

function resolveYamlSet(data) {
  if (data === null) return true;

  var key, object = data;

  for (key in object) {
    if (_hasOwnProperty$2.call(object, key)) {
      if (object[key] !== null) return false;
    }
  }

  return true;
}

function constructYamlSet(data) {
  return data !== null ? data : {};
}

var set = new type('tag:yaml.org,2002:set', {
  kind: 'mapping',
  resolve: resolveYamlSet,
  construct: constructYamlSet
});

var _default = core.extend({
  implicit: [
    timestamp,
    merge
  ],
  explicit: [
    binary,
    omap,
    pairs,
    set
  ]
});

/*eslint-disable max-len,no-use-before-define*/







var _hasOwnProperty$1 = Object.prototype.hasOwnProperty;


var CONTEXT_FLOW_IN   = 1;
var CONTEXT_FLOW_OUT  = 2;
var CONTEXT_BLOCK_IN  = 3;
var CONTEXT_BLOCK_OUT = 4;


var CHOMPING_CLIP  = 1;
var CHOMPING_STRIP = 2;
var CHOMPING_KEEP  = 3;


var PATTERN_NON_PRINTABLE         = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/;
var PATTERN_FLOW_INDICATORS       = /[,\[\]\{\}]/;
var PATTERN_TAG_HANDLE            = /^(?:!|!!|![a-z\-]+!)$/i;
var PATTERN_TAG_URI               = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;


function _class(obj) { return Object.prototype.toString.call(obj); }

function is_EOL(c) {
  return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);
}

function is_WHITE_SPACE(c) {
  return (c === 0x09/* Tab */) || (c === 0x20/* Space */);
}

function is_WS_OR_EOL(c) {
  return (c === 0x09/* Tab */) ||
         (c === 0x20/* Space */) ||
         (c === 0x0A/* LF */) ||
         (c === 0x0D/* CR */);
}

function is_FLOW_INDICATOR(c) {
  return c === 0x2C/* , */ ||
         c === 0x5B/* [ */ ||
         c === 0x5D/* ] */ ||
         c === 0x7B/* { */ ||
         c === 0x7D/* } */;
}

function fromHexCode(c) {
  var lc;

  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
    return c - 0x30;
  }

  /*eslint-disable no-bitwise*/
  lc = c | 0x20;

  if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {
    return lc - 0x61 + 10;
  }

  return -1;
}

function escapedHexLen(c) {
  if (c === 0x78/* x */) { return 2; }
  if (c === 0x75/* u */) { return 4; }
  if (c === 0x55/* U */) { return 8; }
  return 0;
}

function fromDecimalCode(c) {
  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
    return c - 0x30;
  }

  return -1;
}

function simpleEscapeSequence(c) {
  /* eslint-disable indent */
  return (c === 0x30/* 0 */) ? '\x00' :
        (c === 0x61/* a */) ? '\x07' :
        (c === 0x62/* b */) ? '\x08' :
        (c === 0x74/* t */) ? '\x09' :
        (c === 0x09/* Tab */) ? '\x09' :
        (c === 0x6E/* n */) ? '\x0A' :
        (c === 0x76/* v */) ? '\x0B' :
        (c === 0x66/* f */) ? '\x0C' :
        (c === 0x72/* r */) ? '\x0D' :
        (c === 0x65/* e */) ? '\x1B' :
        (c === 0x20/* Space */) ? ' ' :
        (c === 0x22/* " */) ? '\x22' :
        (c === 0x2F/* / */) ? '/' :
        (c === 0x5C/* \ */) ? '\x5C' :
        (c === 0x4E/* N */) ? '\x85' :
        (c === 0x5F/* _ */) ? '\xA0' :
        (c === 0x4C/* L */) ? '\u2028' :
        (c === 0x50/* P */) ? '\u2029' : '';
}

function charFromCodepoint(c) {
  if (c <= 0xFFFF) {
    return String.fromCharCode(c);
  }
  // Encode UTF-16 surrogate pair
  // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
  return String.fromCharCode(
    ((c - 0x010000) >> 10) + 0xD800,
    ((c - 0x010000) & 0x03FF) + 0xDC00
  );
}

var simpleEscapeCheck = new Array(256); // integer, for fast access
var simpleEscapeMap = new Array(256);
for (var i = 0; i < 256; i++) {
  simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;
  simpleEscapeMap[i] = simpleEscapeSequence(i);
}


function State$1(input, options) {
  this.input = input;

  this.filename  = options['filename']  || null;
  this.schema    = options['schema']    || _default;
  this.onWarning = options['onWarning'] || null;
  // (Hidden) Remove? makes the loader to expect YAML 1.1 documents
  // if such documents have no explicit %YAML directive
  this.legacy    = options['legacy']    || false;

  this.json      = options['json']      || false;
  this.listener  = options['listener']  || null;

  this.implicitTypes = this.schema.compiledImplicit;
  this.typeMap       = this.schema.compiledTypeMap;

  this.length     = input.length;
  this.position   = 0;
  this.line       = 0;
  this.lineStart  = 0;
  this.lineIndent = 0;

  // position of first leading tab in the current line,
  // used to make sure there are no tabs in the indentation
  this.firstTabInLine = -1;

  this.documents = [];

  /*
  this.version;
  this.checkLineBreaks;
  this.tagMap;
  this.anchorMap;
  this.tag;
  this.anchor;
  this.kind;
  this.result;*/

}


function generateError(state, message) {
  var mark = {
    name:     state.filename,
    buffer:   state.input.slice(0, -1), // omit trailing \0
    position: state.position,
    line:     state.line,
    column:   state.position - state.lineStart
  };

  mark.snippet = snippet(mark);

  return new exception(message, mark);
}

function throwError(state, message) {
  throw generateError(state, message);
}

function throwWarning(state, message) {
  if (state.onWarning) {
    state.onWarning.call(null, generateError(state, message));
  }
}


var directiveHandlers = {

  YAML: function handleYamlDirective(state, name, args) {

    var match, major, minor;

    if (state.version !== null) {
      throwError(state, 'duplication of %YAML directive');
    }

    if (args.length !== 1) {
      throwError(state, 'YAML directive accepts exactly one argument');
    }

    match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]);

    if (match === null) {
      throwError(state, 'ill-formed argument of the YAML directive');
    }

    major = parseInt(match[1], 10);
    minor = parseInt(match[2], 10);

    if (major !== 1) {
      throwError(state, 'unacceptable YAML version of the document');
    }

    state.version = args[0];
    state.checkLineBreaks = (minor < 2);

    if (minor !== 1 && minor !== 2) {
      throwWarning(state, 'unsupported YAML version of the document');
    }
  },

  TAG: function handleTagDirective(state, name, args) {

    var handle, prefix;

    if (args.length !== 2) {
      throwError(state, 'TAG directive accepts exactly two arguments');
    }

    handle = args[0];
    prefix = args[1];

    if (!PATTERN_TAG_HANDLE.test(handle)) {
      throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');
    }

    if (_hasOwnProperty$1.call(state.tagMap, handle)) {
      throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
    }

    if (!PATTERN_TAG_URI.test(prefix)) {
      throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
    }

    try {
      prefix = decodeURIComponent(prefix);
    } catch (err) {
      throwError(state, 'tag prefix is malformed: ' + prefix);
    }

    state.tagMap[handle] = prefix;
  }
};


function captureSegment(state, start, end, checkJson) {
  var _position, _length, _character, _result;

  if (start < end) {
    _result = state.input.slice(start, end);

    if (checkJson) {
      for (_position = 0, _length = _result.length; _position < _length; _position += 1) {
        _character = _result.charCodeAt(_position);
        if (!(_character === 0x09 ||
              (0x20 <= _character && _character <= 0x10FFFF))) {
          throwError(state, 'expected valid JSON character');
        }
      }
    } else if (PATTERN_NON_PRINTABLE.test(_result)) {
      throwError(state, 'the stream contains non-printable characters');
    }

    state.result += _result;
  }
}

function mergeMappings(state, destination, source, overridableKeys) {
  var sourceKeys, key, index, quantity;

  if (!common.isObject(source)) {
    throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
  }

  sourceKeys = Object.keys(source);

  for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
    key = sourceKeys[index];

    if (!_hasOwnProperty$1.call(destination, key)) {
      destination[key] = source[key];
      overridableKeys[key] = true;
    }
  }
}

function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode,
  startLine, startLineStart, startPos) {

  var index, quantity;

  // The output is a plain object here, so keys can only be strings.
  // We need to convert keyNode to a string, but doing so can hang the process
  // (deeply nested arrays that explode exponentially using aliases).
  if (Array.isArray(keyNode)) {
    keyNode = Array.prototype.slice.call(keyNode);

    for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {
      if (Array.isArray(keyNode[index])) {
        throwError(state, 'nested arrays are not supported inside keys');
      }

      if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {
        keyNode[index] = '[object Object]';
      }
    }
  }

  // Avoid code execution in load() via toString property
  // (still use its own toString for arrays, timestamps,
  // and whatever user schema extensions happen to have @@toStringTag)
  if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {
    keyNode = '[object Object]';
  }


  keyNode = String(keyNode);

  if (_result === null) {
    _result = {};
  }

  if (keyTag === 'tag:yaml.org,2002:merge') {
    if (Array.isArray(valueNode)) {
      for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
        mergeMappings(state, _result, valueNode[index], overridableKeys);
      }
    } else {
      mergeMappings(state, _result, valueNode, overridableKeys);
    }
  } else {
    if (!state.json &&
        !_hasOwnProperty$1.call(overridableKeys, keyNode) &&
        _hasOwnProperty$1.call(_result, keyNode)) {
      state.line = startLine || state.line;
      state.lineStart = startLineStart || state.lineStart;
      state.position = startPos || state.position;
      throwError(state, 'duplicated mapping key');
    }

    // used for this specific key only because Object.defineProperty is slow
    if (keyNode === '__proto__') {
      Object.defineProperty(_result, keyNode, {
        configurable: true,
        enumerable: true,
        writable: true,
        value: valueNode
      });
    } else {
      _result[keyNode] = valueNode;
    }
    delete overridableKeys[keyNode];
  }

  return _result;
}

function readLineBreak(state) {
  var ch;

  ch = state.input.charCodeAt(state.position);

  if (ch === 0x0A/* LF */) {
    state.position++;
  } else if (ch === 0x0D/* CR */) {
    state.position++;
    if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {
      state.position++;
    }
  } else {
    throwError(state, 'a line break is expected');
  }

  state.line += 1;
  state.lineStart = state.position;
  state.firstTabInLine = -1;
}

function skipSeparationSpace(state, allowComments, checkIndent) {
  var lineBreaks = 0,
      ch = state.input.charCodeAt(state.position);

  while (ch !== 0) {
    while (is_WHITE_SPACE(ch)) {
      if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {
        state.firstTabInLine = state.position;
      }
      ch = state.input.charCodeAt(++state.position);
    }

    if (allowComments && ch === 0x23/* # */) {
      do {
        ch = state.input.charCodeAt(++state.position);
      } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);
    }

    if (is_EOL(ch)) {
      readLineBreak(state);

      ch = state.input.charCodeAt(state.position);
      lineBreaks++;
      state.lineIndent = 0;

      while (ch === 0x20/* Space */) {
        state.lineIndent++;
        ch = state.input.charCodeAt(++state.position);
      }
    } else {
      break;
    }
  }

  if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
    throwWarning(state, 'deficient indentation');
  }

  return lineBreaks;
}

function testDocumentSeparator(state) {
  var _position = state.position,
      ch;

  ch = state.input.charCodeAt(_position);

  // Condition state.position === state.lineStart is tested
  // in parent on each call, for efficiency. No needs to test here again.
  if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&
      ch === state.input.charCodeAt(_position + 1) &&
      ch === state.input.charCodeAt(_position + 2)) {

    _position += 3;

    ch = state.input.charCodeAt(_position);

    if (ch === 0 || is_WS_OR_EOL(ch)) {
      return true;
    }
  }

  return false;
}

function writeFoldedLines(state, count) {
  if (count === 1) {
    state.result += ' ';
  } else if (count > 1) {
    state.result += common.repeat('\n', count - 1);
  }
}


function readPlainScalar(state, nodeIndent, withinFlowCollection) {
  var preceding,
      following,
      captureStart,
      captureEnd,
      hasPendingContent,
      _line,
      _lineStart,
      _lineIndent,
      _kind = state.kind,
      _result = state.result,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (is_WS_OR_EOL(ch)      ||
      is_FLOW_INDICATOR(ch) ||
      ch === 0x23/* # */    ||
      ch === 0x26/* & */    ||
      ch === 0x2A/* * */    ||
      ch === 0x21/* ! */    ||
      ch === 0x7C/* | */    ||
      ch === 0x3E/* > */    ||
      ch === 0x27/* ' */    ||
      ch === 0x22/* " */    ||
      ch === 0x25/* % */    ||
      ch === 0x40/* @ */    ||
      ch === 0x60/* ` */) {
    return false;
  }

  if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {
    following = state.input.charCodeAt(state.position + 1);

    if (is_WS_OR_EOL(following) ||
        withinFlowCollection && is_FLOW_INDICATOR(following)) {
      return false;
    }
  }

  state.kind = 'scalar';
  state.result = '';
  captureStart = captureEnd = state.position;
  hasPendingContent = false;

  while (ch !== 0) {
    if (ch === 0x3A/* : */) {
      following = state.input.charCodeAt(state.position + 1);

      if (is_WS_OR_EOL(following) ||
          withinFlowCollection && is_FLOW_INDICATOR(following)) {
        break;
      }

    } else if (ch === 0x23/* # */) {
      preceding = state.input.charCodeAt(state.position - 1);

      if (is_WS_OR_EOL(preceding)) {
        break;
      }

    } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
               withinFlowCollection && is_FLOW_INDICATOR(ch)) {
      break;

    } else if (is_EOL(ch)) {
      _line = state.line;
      _lineStart = state.lineStart;
      _lineIndent = state.lineIndent;
      skipSeparationSpace(state, false, -1);

      if (state.lineIndent >= nodeIndent) {
        hasPendingContent = true;
        ch = state.input.charCodeAt(state.position);
        continue;
      } else {
        state.position = captureEnd;
        state.line = _line;
        state.lineStart = _lineStart;
        state.lineIndent = _lineIndent;
        break;
      }
    }

    if (hasPendingContent) {
      captureSegment(state, captureStart, captureEnd, false);
      writeFoldedLines(state, state.line - _line);
      captureStart = captureEnd = state.position;
      hasPendingContent = false;
    }

    if (!is_WHITE_SPACE(ch)) {
      captureEnd = state.position + 1;
    }

    ch = state.input.charCodeAt(++state.position);
  }

  captureSegment(state, captureStart, captureEnd, false);

  if (state.result) {
    return true;
  }

  state.kind = _kind;
  state.result = _result;
  return false;
}

function readSingleQuotedScalar(state, nodeIndent) {
  var ch,
      captureStart, captureEnd;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x27/* ' */) {
    return false;
  }

  state.kind = 'scalar';
  state.result = '';
  state.position++;
  captureStart = captureEnd = state.position;

  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
    if (ch === 0x27/* ' */) {
      captureSegment(state, captureStart, state.position, true);
      ch = state.input.charCodeAt(++state.position);

      if (ch === 0x27/* ' */) {
        captureStart = state.position;
        state.position++;
        captureEnd = state.position;
      } else {
        return true;
      }

    } else if (is_EOL(ch)) {
      captureSegment(state, captureStart, captureEnd, true);
      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
      captureStart = captureEnd = state.position;

    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
      throwError(state, 'unexpected end of the document within a single quoted scalar');

    } else {
      state.position++;
      captureEnd = state.position;
    }
  }

  throwError(state, 'unexpected end of the stream within a single quoted scalar');
}

function readDoubleQuotedScalar(state, nodeIndent) {
  var captureStart,
      captureEnd,
      hexLength,
      hexResult,
      tmp,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x22/* " */) {
    return false;
  }

  state.kind = 'scalar';
  state.result = '';
  state.position++;
  captureStart = captureEnd = state.position;

  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
    if (ch === 0x22/* " */) {
      captureSegment(state, captureStart, state.position, true);
      state.position++;
      return true;

    } else if (ch === 0x5C/* \ */) {
      captureSegment(state, captureStart, state.position, true);
      ch = state.input.charCodeAt(++state.position);

      if (is_EOL(ch)) {
        skipSeparationSpace(state, false, nodeIndent);

        // TODO: rework to inline fn with no type cast?
      } else if (ch < 256 && simpleEscapeCheck[ch]) {
        state.result += simpleEscapeMap[ch];
        state.position++;

      } else if ((tmp = escapedHexLen(ch)) > 0) {
        hexLength = tmp;
        hexResult = 0;

        for (; hexLength > 0; hexLength--) {
          ch = state.input.charCodeAt(++state.position);

          if ((tmp = fromHexCode(ch)) >= 0) {
            hexResult = (hexResult << 4) + tmp;

          } else {
            throwError(state, 'expected hexadecimal character');
          }
        }

        state.result += charFromCodepoint(hexResult);

        state.position++;

      } else {
        throwError(state, 'unknown escape sequence');
      }

      captureStart = captureEnd = state.position;

    } else if (is_EOL(ch)) {
      captureSegment(state, captureStart, captureEnd, true);
      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
      captureStart = captureEnd = state.position;

    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
      throwError(state, 'unexpected end of the document within a double quoted scalar');

    } else {
      state.position++;
      captureEnd = state.position;
    }
  }

  throwError(state, 'unexpected end of the stream within a double quoted scalar');
}

function readFlowCollection(state, nodeIndent) {
  var readNext = true,
      _line,
      _lineStart,
      _pos,
      _tag     = state.tag,
      _result,
      _anchor  = state.anchor,
      following,
      terminator,
      isPair,
      isExplicitPair,
      isMapping,
      overridableKeys = Object.create(null),
      keyNode,
      keyTag,
      valueNode,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch === 0x5B/* [ */) {
    terminator = 0x5D;/* ] */
    isMapping = false;
    _result = [];
  } else if (ch === 0x7B/* { */) {
    terminator = 0x7D;/* } */
    isMapping = true;
    _result = {};
  } else {
    return false;
  }

  if (state.anchor !== null) {
    state.anchorMap[state.anchor] = _result;
  }

  ch = state.input.charCodeAt(++state.position);

  while (ch !== 0) {
    skipSeparationSpace(state, true, nodeIndent);

    ch = state.input.charCodeAt(state.position);

    if (ch === terminator) {
      state.position++;
      state.tag = _tag;
      state.anchor = _anchor;
      state.kind = isMapping ? 'mapping' : 'sequence';
      state.result = _result;
      return true;
    } else if (!readNext) {
      throwError(state, 'missed comma between flow collection entries');
    } else if (ch === 0x2C/* , */) {
      // "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4
      throwError(state, "expected the node content, but found ','");
    }

    keyTag = keyNode = valueNode = null;
    isPair = isExplicitPair = false;

    if (ch === 0x3F/* ? */) {
      following = state.input.charCodeAt(state.position + 1);

      if (is_WS_OR_EOL(following)) {
        isPair = isExplicitPair = true;
        state.position++;
        skipSeparationSpace(state, true, nodeIndent);
      }
    }

    _line = state.line; // Save the current line.
    _lineStart = state.lineStart;
    _pos = state.position;
    composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
    keyTag = state.tag;
    keyNode = state.result;
    skipSeparationSpace(state, true, nodeIndent);

    ch = state.input.charCodeAt(state.position);

    if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {
      isPair = true;
      ch = state.input.charCodeAt(++state.position);
      skipSeparationSpace(state, true, nodeIndent);
      composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
      valueNode = state.result;
    }

    if (isMapping) {
      storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos);
    } else if (isPair) {
      _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos));
    } else {
      _result.push(keyNode);
    }

    skipSeparationSpace(state, true, nodeIndent);

    ch = state.input.charCodeAt(state.position);

    if (ch === 0x2C/* , */) {
      readNext = true;
      ch = state.input.charCodeAt(++state.position);
    } else {
      readNext = false;
    }
  }

  throwError(state, 'unexpected end of the stream within a flow collection');
}

function readBlockScalar(state, nodeIndent) {
  var captureStart,
      folding,
      chomping       = CHOMPING_CLIP,
      didReadContent = false,
      detectedIndent = false,
      textIndent     = nodeIndent,
      emptyLines     = 0,
      atMoreIndented = false,
      tmp,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch === 0x7C/* | */) {
    folding = false;
  } else if (ch === 0x3E/* > */) {
    folding = true;
  } else {
    return false;
  }

  state.kind = 'scalar';
  state.result = '';

  while (ch !== 0) {
    ch = state.input.charCodeAt(++state.position);

    if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {
      if (CHOMPING_CLIP === chomping) {
        chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;
      } else {
        throwError(state, 'repeat of a chomping mode identifier');
      }

    } else if ((tmp = fromDecimalCode(ch)) >= 0) {
      if (tmp === 0) {
        throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
      } else if (!detectedIndent) {
        textIndent = nodeIndent + tmp - 1;
        detectedIndent = true;
      } else {
        throwError(state, 'repeat of an indentation width identifier');
      }

    } else {
      break;
    }
  }

  if (is_WHITE_SPACE(ch)) {
    do { ch = state.input.charCodeAt(++state.position); }
    while (is_WHITE_SPACE(ch));

    if (ch === 0x23/* # */) {
      do { ch = state.input.charCodeAt(++state.position); }
      while (!is_EOL(ch) && (ch !== 0));
    }
  }

  while (ch !== 0) {
    readLineBreak(state);
    state.lineIndent = 0;

    ch = state.input.charCodeAt(state.position);

    while ((!detectedIndent || state.lineIndent < textIndent) &&
           (ch === 0x20/* Space */)) {
      state.lineIndent++;
      ch = state.input.charCodeAt(++state.position);
    }

    if (!detectedIndent && state.lineIndent > textIndent) {
      textIndent = state.lineIndent;
    }

    if (is_EOL(ch)) {
      emptyLines++;
      continue;
    }

    // End of the scalar.
    if (state.lineIndent < textIndent) {

      // Perform the chomping.
      if (chomping === CHOMPING_KEEP) {
        state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
      } else if (chomping === CHOMPING_CLIP) {
        if (didReadContent) { // i.e. only if the scalar is not empty.
          state.result += '\n';
        }
      }

      // Break this `while` cycle and go to the funciton's epilogue.
      break;
    }

    // Folded style: use fancy rules to handle line breaks.
    if (folding) {

      // Lines starting with white space characters (more-indented lines) are not folded.
      if (is_WHITE_SPACE(ch)) {
        atMoreIndented = true;
        // except for the first content line (cf. Example 8.1)
        state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);

      // End of more-indented block.
      } else if (atMoreIndented) {
        atMoreIndented = false;
        state.result += common.repeat('\n', emptyLines + 1);

      // Just one line break - perceive as the same line.
      } else if (emptyLines === 0) {
        if (didReadContent) { // i.e. only if we have already read some scalar content.
          state.result += ' ';
        }

      // Several line breaks - perceive as different lines.
      } else {
        state.result += common.repeat('\n', emptyLines);
      }

    // Literal style: just add exact number of line breaks between content lines.
    } else {
      // Keep all line breaks except the header line break.
      state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
    }

    didReadContent = true;
    detectedIndent = true;
    emptyLines = 0;
    captureStart = state.position;

    while (!is_EOL(ch) && (ch !== 0)) {
      ch = state.input.charCodeAt(++state.position);
    }

    captureSegment(state, captureStart, state.position, false);
  }

  return true;
}

function readBlockSequence(state, nodeIndent) {
  var _line,
      _tag      = state.tag,
      _anchor   = state.anchor,
      _result   = [],
      following,
      detected  = false,
      ch;

  // there is a leading tab before this token, so it can't be a block sequence/mapping;
  // it can still be flow sequence/mapping or a scalar
  if (state.firstTabInLine !== -1) return false;

  if (state.anchor !== null) {
    state.anchorMap[state.anchor] = _result;
  }

  ch = state.input.charCodeAt(state.position);

  while (ch !== 0) {
    if (state.firstTabInLine !== -1) {
      state.position = state.firstTabInLine;
      throwError(state, 'tab characters must not be used in indentation');
    }

    if (ch !== 0x2D/* - */) {
      break;
    }

    following = state.input.charCodeAt(state.position + 1);

    if (!is_WS_OR_EOL(following)) {
      break;
    }

    detected = true;
    state.position++;

    if (skipSeparationSpace(state, true, -1)) {
      if (state.lineIndent <= nodeIndent) {
        _result.push(null);
        ch = state.input.charCodeAt(state.position);
        continue;
      }
    }

    _line = state.line;
    composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
    _result.push(state.result);
    skipSeparationSpace(state, true, -1);

    ch = state.input.charCodeAt(state.position);

    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
      throwError(state, 'bad indentation of a sequence entry');
    } else if (state.lineIndent < nodeIndent) {
      break;
    }
  }

  if (detected) {
    state.tag = _tag;
    state.anchor = _anchor;
    state.kind = 'sequence';
    state.result = _result;
    return true;
  }
  return false;
}

function readBlockMapping(state, nodeIndent, flowIndent) {
  var following,
      allowCompact,
      _line,
      _keyLine,
      _keyLineStart,
      _keyPos,
      _tag          = state.tag,
      _anchor       = state.anchor,
      _result       = {},
      overridableKeys = Object.create(null),
      keyTag        = null,
      keyNode       = null,
      valueNode     = null,
      atExplicitKey = false,
      detected      = false,
      ch;

  // there is a leading tab before this token, so it can't be a block sequence/mapping;
  // it can still be flow sequence/mapping or a scalar
  if (state.firstTabInLine !== -1) return false;

  if (state.anchor !== null) {
    state.anchorMap[state.anchor] = _result;
  }

  ch = state.input.charCodeAt(state.position);

  while (ch !== 0) {
    if (!atExplicitKey && state.firstTabInLine !== -1) {
      state.position = state.firstTabInLine;
      throwError(state, 'tab characters must not be used in indentation');
    }

    following = state.input.charCodeAt(state.position + 1);
    _line = state.line; // Save the current line.

    //
    // Explicit notation case. There are two separate blocks:
    // first for the key (denoted by "?") and second for the value (denoted by ":")
    //
    if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {

      if (ch === 0x3F/* ? */) {
        if (atExplicitKey) {
          storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);
          keyTag = keyNode = valueNode = null;
        }

        detected = true;
        atExplicitKey = true;
        allowCompact = true;

      } else if (atExplicitKey) {
        // i.e. 0x3A/* : */ === character after the explicit key.
        atExplicitKey = false;
        allowCompact = true;

      } else {
        throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');
      }

      state.position += 1;
      ch = following;

    //
    // Implicit notation case. Flow-style node as the key first, then ":", and the value.
    //
    } else {
      _keyLine = state.line;
      _keyLineStart = state.lineStart;
      _keyPos = state.position;

      if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
        // Neither implicit nor explicit notation.
        // Reading is done. Go to the epilogue.
        break;
      }

      if (state.line === _line) {
        ch = state.input.charCodeAt(state.position);

        while (is_WHITE_SPACE(ch)) {
          ch = state.input.charCodeAt(++state.position);
        }

        if (ch === 0x3A/* : */) {
          ch = state.input.charCodeAt(++state.position);

          if (!is_WS_OR_EOL(ch)) {
            throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
          }

          if (atExplicitKey) {
            storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);
            keyTag = keyNode = valueNode = null;
          }

          detected = true;
          atExplicitKey = false;
          allowCompact = false;
          keyTag = state.tag;
          keyNode = state.result;

        } else if (detected) {
          throwError(state, 'can not read an implicit mapping pair; a colon is missed');

        } else {
          state.tag = _tag;
          state.anchor = _anchor;
          return true; // Keep the result of `composeNode`.
        }

      } else if (detected) {
        throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');

      } else {
        state.tag = _tag;
        state.anchor = _anchor;
        return true; // Keep the result of `composeNode`.
      }
    }

    //
    // Common reading code for both explicit and implicit notations.
    //
    if (state.line === _line || state.lineIndent > nodeIndent) {
      if (atExplicitKey) {
        _keyLine = state.line;
        _keyLineStart = state.lineStart;
        _keyPos = state.position;
      }

      if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
        if (atExplicitKey) {
          keyNode = state.result;
        } else {
          valueNode = state.result;
        }
      }

      if (!atExplicitKey) {
        storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos);
        keyTag = keyNode = valueNode = null;
      }

      skipSeparationSpace(state, true, -1);
      ch = state.input.charCodeAt(state.position);
    }

    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
      throwError(state, 'bad indentation of a mapping entry');
    } else if (state.lineIndent < nodeIndent) {
      break;
    }
  }

  //
  // Epilogue.
  //

  // Special case: last mapping's node contains only the key in explicit notation.
  if (atExplicitKey) {
    storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);
  }

  // Expose the resulting mapping.
  if (detected) {
    state.tag = _tag;
    state.anchor = _anchor;
    state.kind = 'mapping';
    state.result = _result;
  }

  return detected;
}

function readTagProperty(state) {
  var _position,
      isVerbatim = false,
      isNamed    = false,
      tagHandle,
      tagName,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x21/* ! */) return false;

  if (state.tag !== null) {
    throwError(state, 'duplication of a tag property');
  }

  ch = state.input.charCodeAt(++state.position);

  if (ch === 0x3C/* < */) {
    isVerbatim = true;
    ch = state.input.charCodeAt(++state.position);

  } else if (ch === 0x21/* ! */) {
    isNamed = true;
    tagHandle = '!!';
    ch = state.input.charCodeAt(++state.position);

  } else {
    tagHandle = '!';
  }

  _position = state.position;

  if (isVerbatim) {
    do { ch = state.input.charCodeAt(++state.position); }
    while (ch !== 0 && ch !== 0x3E/* > */);

    if (state.position < state.length) {
      tagName = state.input.slice(_position, state.position);
      ch = state.input.charCodeAt(++state.position);
    } else {
      throwError(state, 'unexpected end of the stream within a verbatim tag');
    }
  } else {
    while (ch !== 0 && !is_WS_OR_EOL(ch)) {

      if (ch === 0x21/* ! */) {
        if (!isNamed) {
          tagHandle = state.input.slice(_position - 1, state.position + 1);

          if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
            throwError(state, 'named tag handle cannot contain such characters');
          }

          isNamed = true;
          _position = state.position + 1;
        } else {
          throwError(state, 'tag suffix cannot contain exclamation marks');
        }
      }

      ch = state.input.charCodeAt(++state.position);
    }

    tagName = state.input.slice(_position, state.position);

    if (PATTERN_FLOW_INDICATORS.test(tagName)) {
      throwError(state, 'tag suffix cannot contain flow indicator characters');
    }
  }

  if (tagName && !PATTERN_TAG_URI.test(tagName)) {
    throwError(state, 'tag name cannot contain such characters: ' + tagName);
  }

  try {
    tagName = decodeURIComponent(tagName);
  } catch (err) {
    throwError(state, 'tag name is malformed: ' + tagName);
  }

  if (isVerbatim) {
    state.tag = tagName;

  } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) {
    state.tag = state.tagMap[tagHandle] + tagName;

  } else if (tagHandle === '!') {
    state.tag = '!' + tagName;

  } else if (tagHandle === '!!') {
    state.tag = 'tag:yaml.org,2002:' + tagName;

  } else {
    throwError(state, 'undeclared tag handle "' + tagHandle + '"');
  }

  return true;
}

function readAnchorProperty(state) {
  var _position,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x26/* & */) return false;

  if (state.anchor !== null) {
    throwError(state, 'duplication of an anchor property');
  }

  ch = state.input.charCodeAt(++state.position);
  _position = state.position;

  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
    ch = state.input.charCodeAt(++state.position);
  }

  if (state.position === _position) {
    throwError(state, 'name of an anchor node must contain at least one character');
  }

  state.anchor = state.input.slice(_position, state.position);
  return true;
}

function readAlias(state) {
  var _position, alias,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x2A/* * */) return false;

  ch = state.input.charCodeAt(++state.position);
  _position = state.position;

  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
    ch = state.input.charCodeAt(++state.position);
  }

  if (state.position === _position) {
    throwError(state, 'name of an alias node must contain at least one character');
  }

  alias = state.input.slice(_position, state.position);

  if (!_hasOwnProperty$1.call(state.anchorMap, alias)) {
    throwError(state, 'unidentified alias "' + alias + '"');
  }

  state.result = state.anchorMap[alias];
  skipSeparationSpace(state, true, -1);
  return true;
}

function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
  var allowBlockStyles,
      allowBlockScalars,
      allowBlockCollections,
      indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent
      atNewLine  = false,
      hasContent = false,
      typeIndex,
      typeQuantity,
      typeList,
      type,
      flowIndent,
      blockIndent;

  if (state.listener !== null) {
    state.listener('open', state);
  }

  state.tag    = null;
  state.anchor = null;
  state.kind   = null;
  state.result = null;

  allowBlockStyles = allowBlockScalars = allowBlockCollections =
    CONTEXT_BLOCK_OUT === nodeContext ||
    CONTEXT_BLOCK_IN  === nodeContext;

  if (allowToSeek) {
    if (skipSeparationSpace(state, true, -1)) {
      atNewLine = true;

      if (state.lineIndent > parentIndent) {
        indentStatus = 1;
      } else if (state.lineIndent === parentIndent) {
        indentStatus = 0;
      } else if (state.lineIndent < parentIndent) {
        indentStatus = -1;
      }
    }
  }

  if (indentStatus === 1) {
    while (readTagProperty(state) || readAnchorProperty(state)) {
      if (skipSeparationSpace(state, true, -1)) {
        atNewLine = true;
        allowBlockCollections = allowBlockStyles;

        if (state.lineIndent > parentIndent) {
          indentStatus = 1;
        } else if (state.lineIndent === parentIndent) {
          indentStatus = 0;
        } else if (state.lineIndent < parentIndent) {
          indentStatus = -1;
        }
      } else {
        allowBlockCollections = false;
      }
    }
  }

  if (allowBlockCollections) {
    allowBlockCollections = atNewLine || allowCompact;
  }

  if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {
    if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {
      flowIndent = parentIndent;
    } else {
      flowIndent = parentIndent + 1;
    }

    blockIndent = state.position - state.lineStart;

    if (indentStatus === 1) {
      if (allowBlockCollections &&
          (readBlockSequence(state, blockIndent) ||
           readBlockMapping(state, blockIndent, flowIndent)) ||
          readFlowCollection(state, flowIndent)) {
        hasContent = true;
      } else {
        if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||
            readSingleQuotedScalar(state, flowIndent) ||
            readDoubleQuotedScalar(state, flowIndent)) {
          hasContent = true;

        } else if (readAlias(state)) {
          hasContent = true;

          if (state.tag !== null || state.anchor !== null) {
            throwError(state, 'alias node should not have any properties');
          }

        } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {
          hasContent = true;

          if (state.tag === null) {
            state.tag = '?';
          }
        }

        if (state.anchor !== null) {
          state.anchorMap[state.anchor] = state.result;
        }
      }
    } else if (indentStatus === 0) {
      // Special case: block sequences are allowed to have same indentation level as the parent.
      // http://www.yaml.org/spec/1.2/spec.html#id2799784
      hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);
    }
  }

  if (state.tag === null) {
    if (state.anchor !== null) {
      state.anchorMap[state.anchor] = state.result;
    }

  } else if (state.tag === '?') {
    // Implicit resolving is not allowed for non-scalar types, and '?'
    // non-specific tag is only automatically assigned to plain scalars.
    //
    // We only need to check kind conformity in case user explicitly assigns '?'
    // tag, for example like this: "!<?> [0]"
    //
    if (state.result !== null && state.kind !== 'scalar') {
      throwError(state, 'unacceptable node kind for !<?> tag; it should be "scalar", not "' + state.kind + '"');
    }

    for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {
      type = state.implicitTypes[typeIndex];

      if (type.resolve(state.result)) { // `state.result` updated in resolver if matched
        state.result = type.construct(state.result);
        state.tag = type.tag;
        if (state.anchor !== null) {
          state.anchorMap[state.anchor] = state.result;
        }
        break;
      }
    }
  } else if (state.tag !== '!') {
    if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
      type = state.typeMap[state.kind || 'fallback'][state.tag];
    } else {
      // looking for multi type
      type = null;
      typeList = state.typeMap.multi[state.kind || 'fallback'];

      for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {
        if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {
          type = typeList[typeIndex];
          break;
        }
      }
    }

    if (!type) {
      throwError(state, 'unknown tag !<' + state.tag + '>');
    }

    if (state.result !== null && type.kind !== state.kind) {
      throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"');
    }

    if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched
      throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');
    } else {
      state.result = type.construct(state.result, state.tag);
      if (state.anchor !== null) {
        state.anchorMap[state.anchor] = state.result;
      }
    }
  }

  if (state.listener !== null) {
    state.listener('close', state);
  }
  return state.tag !== null ||  state.anchor !== null || hasContent;
}

function readDocument(state) {
  var documentStart = state.position,
      _position,
      directiveName,
      directiveArgs,
      hasDirectives = false,
      ch;

  state.version = null;
  state.checkLineBreaks = state.legacy;
  state.tagMap = Object.create(null);
  state.anchorMap = Object.create(null);

  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
    skipSeparationSpace(state, true, -1);

    ch = state.input.charCodeAt(state.position);

    if (state.lineIndent > 0 || ch !== 0x25/* % */) {
      break;
    }

    hasDirectives = true;
    ch = state.input.charCodeAt(++state.position);
    _position = state.position;

    while (ch !== 0 && !is_WS_OR_EOL(ch)) {
      ch = state.input.charCodeAt(++state.position);
    }

    directiveName = state.input.slice(_position, state.position);
    directiveArgs = [];

    if (directiveName.length < 1) {
      throwError(state, 'directive name must not be less than one character in length');
    }

    while (ch !== 0) {
      while (is_WHITE_SPACE(ch)) {
        ch = state.input.charCodeAt(++state.position);
      }

      if (ch === 0x23/* # */) {
        do { ch = state.input.charCodeAt(++state.position); }
        while (ch !== 0 && !is_EOL(ch));
        break;
      }

      if (is_EOL(ch)) break;

      _position = state.position;

      while (ch !== 0 && !is_WS_OR_EOL(ch)) {
        ch = state.input.charCodeAt(++state.position);
      }

      directiveArgs.push(state.input.slice(_position, state.position));
    }

    if (ch !== 0) readLineBreak(state);

    if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) {
      directiveHandlers[directiveName](state, directiveName, directiveArgs);
    } else {
      throwWarning(state, 'unknown document directive "' + directiveName + '"');
    }
  }

  skipSeparationSpace(state, true, -1);

  if (state.lineIndent === 0 &&
      state.input.charCodeAt(state.position)     === 0x2D/* - */ &&
      state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&
      state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {
    state.position += 3;
    skipSeparationSpace(state, true, -1);

  } else if (hasDirectives) {
    throwError(state, 'directives end mark is expected');
  }

  composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);
  skipSeparationSpace(state, true, -1);

  if (state.checkLineBreaks &&
      PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {
    throwWarning(state, 'non-ASCII line breaks are interpreted as content');
  }

  state.documents.push(state.result);

  if (state.position === state.lineStart && testDocumentSeparator(state)) {

    if (state.input.charCodeAt(state.position) === 0x2E/* . */) {
      state.position += 3;
      skipSeparationSpace(state, true, -1);
    }
    return;
  }

  if (state.position < (state.length - 1)) {
    throwError(state, 'end of the stream or a document separator is expected');
  } else {
    return;
  }
}


function loadDocuments(input, options) {
  input = String(input);
  options = options || {};

  if (input.length !== 0) {

    // Add tailing `\n` if not exists
    if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&
        input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {
      input += '\n';
    }

    // Strip BOM
    if (input.charCodeAt(0) === 0xFEFF) {
      input = input.slice(1);
    }
  }

  var state = new State$1(input, options);

  var nullpos = input.indexOf('\0');

  if (nullpos !== -1) {
    state.position = nullpos;
    throwError(state, 'null byte is not allowed in input');
  }

  // Use 0 as string terminator. That significantly simplifies bounds check.
  state.input += '\0';

  while (state.input.charCodeAt(state.position) === 0x20/* Space */) {
    state.lineIndent += 1;
    state.position += 1;
  }

  while (state.position < (state.length - 1)) {
    readDocument(state);
  }

  return state.documents;
}


function loadAll$1(input, iterator, options) {
  if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {
    options = iterator;
    iterator = null;
  }

  var documents = loadDocuments(input, options);

  if (typeof iterator !== 'function') {
    return documents;
  }

  for (var index = 0, length = documents.length; index < length; index += 1) {
    iterator(documents[index]);
  }
}


function load$1(input, options) {
  var documents = loadDocuments(input, options);

  if (documents.length === 0) {
    /*eslint-disable no-undefined*/
    return undefined;
  } else if (documents.length === 1) {
    return documents[0];
  }
  throw new exception('expected a single document in the stream, but found more');
}


var loadAll_1 = loadAll$1;
var load_1    = load$1;

var loader = {
	loadAll: loadAll_1,
	load: load_1
};

/*eslint-disable no-use-before-define*/





var _toString       = Object.prototype.toString;
var _hasOwnProperty = Object.prototype.hasOwnProperty;

var CHAR_BOM                  = 0xFEFF;
var CHAR_TAB                  = 0x09; /* Tab */
var CHAR_LINE_FEED            = 0x0A; /* LF */
var CHAR_CARRIAGE_RETURN      = 0x0D; /* CR */
var CHAR_SPACE                = 0x20; /* Space */
var CHAR_EXCLAMATION          = 0x21; /* ! */
var CHAR_DOUBLE_QUOTE         = 0x22; /* " */
var CHAR_SHARP                = 0x23; /* # */
var CHAR_PERCENT              = 0x25; /* % */
var CHAR_AMPERSAND            = 0x26; /* & */
var CHAR_SINGLE_QUOTE         = 0x27; /* ' */
var CHAR_ASTERISK             = 0x2A; /* * */
var CHAR_COMMA                = 0x2C; /* , */
var CHAR_MINUS                = 0x2D; /* - */
var CHAR_COLON                = 0x3A; /* : */
var CHAR_EQUALS               = 0x3D; /* = */
var CHAR_GREATER_THAN         = 0x3E; /* > */
var CHAR_QUESTION             = 0x3F; /* ? */
var CHAR_COMMERCIAL_AT        = 0x40; /* @ */
var CHAR_LEFT_SQUARE_BRACKET  = 0x5B; /* [ */
var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */
var CHAR_GRAVE_ACCENT         = 0x60; /* ` */
var CHAR_LEFT_CURLY_BRACKET   = 0x7B; /* { */
var CHAR_VERTICAL_LINE        = 0x7C; /* | */
var CHAR_RIGHT_CURLY_BRACKET  = 0x7D; /* } */

var ESCAPE_SEQUENCES = {};

ESCAPE_SEQUENCES[0x00]   = '\\0';
ESCAPE_SEQUENCES[0x07]   = '\\a';
ESCAPE_SEQUENCES[0x08]   = '\\b';
ESCAPE_SEQUENCES[0x09]   = '\\t';
ESCAPE_SEQUENCES[0x0A]   = '\\n';
ESCAPE_SEQUENCES[0x0B]   = '\\v';
ESCAPE_SEQUENCES[0x0C]   = '\\f';
ESCAPE_SEQUENCES[0x0D]   = '\\r';
ESCAPE_SEQUENCES[0x1B]   = '\\e';
ESCAPE_SEQUENCES[0x22]   = '\\"';
ESCAPE_SEQUENCES[0x5C]   = '\\\\';
ESCAPE_SEQUENCES[0x85]   = '\\N';
ESCAPE_SEQUENCES[0xA0]   = '\\_';
ESCAPE_SEQUENCES[0x2028] = '\\L';
ESCAPE_SEQUENCES[0x2029] = '\\P';

var DEPRECATED_BOOLEANS_SYNTAX = [
  'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',
  'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'
];

var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/;

function compileStyleMap(schema, map) {
  var result, keys, index, length, tag, style, type;

  if (map === null) return {};

  result = {};
  keys = Object.keys(map);

  for (index = 0, length = keys.length; index < length; index += 1) {
    tag = keys[index];
    style = String(map[tag]);

    if (tag.slice(0, 2) === '!!') {
      tag = 'tag:yaml.org,2002:' + tag.slice(2);
    }
    type = schema.compiledTypeMap['fallback'][tag];

    if (type && _hasOwnProperty.call(type.styleAliases, style)) {
      style = type.styleAliases[style];
    }

    result[tag] = style;
  }

  return result;
}

function encodeHex(character) {
  var string, handle, length;

  string = character.toString(16).toUpperCase();

  if (character <= 0xFF) {
    handle = 'x';
    length = 2;
  } else if (character <= 0xFFFF) {
    handle = 'u';
    length = 4;
  } else if (character <= 0xFFFFFFFF) {
    handle = 'U';
    length = 8;
  } else {
    throw new exception('code point within a string may not be greater than 0xFFFFFFFF');
  }

  return '\\' + handle + common.repeat('0', length - string.length) + string;
}


var QUOTING_TYPE_SINGLE = 1,
    QUOTING_TYPE_DOUBLE = 2;

function State(options) {
  this.schema        = options['schema'] || _default;
  this.indent        = Math.max(1, (options['indent'] || 2));
  this.noArrayIndent = options['noArrayIndent'] || false;
  this.skipInvalid   = options['skipInvalid'] || false;
  this.flowLevel     = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);
  this.styleMap      = compileStyleMap(this.schema, options['styles'] || null);
  this.sortKeys      = options['sortKeys'] || false;
  this.lineWidth     = options['lineWidth'] || 80;
  this.noRefs        = options['noRefs'] || false;
  this.noCompatMode  = options['noCompatMode'] || false;
  this.condenseFlow  = options['condenseFlow'] || false;
  this.quotingType   = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE;
  this.forceQuotes   = options['forceQuotes'] || false;
  this.replacer      = typeof options['replacer'] === 'function' ? options['replacer'] : null;

  this.implicitTypes = this.schema.compiledImplicit;
  this.explicitTypes = this.schema.compiledExplicit;

  this.tag = null;
  this.result = '';

  this.duplicates = [];
  this.usedDuplicates = null;
}

// Indents every line in a string. Empty lines (\n only) are not indented.
function indentString(string, spaces) {
  var ind = common.repeat(' ', spaces),
      position = 0,
      next = -1,
      result = '',
      line,
      length = string.length;

  while (position < length) {
    next = string.indexOf('\n', position);
    if (next === -1) {
      line = string.slice(position);
      position = length;
    } else {
      line = string.slice(position, next + 1);
      position = next + 1;
    }

    if (line.length && line !== '\n') result += ind;

    result += line;
  }

  return result;
}

function generateNextLine(state, level) {
  return '\n' + common.repeat(' ', state.indent * level);
}

function testImplicitResolving(state, str) {
  var index, length, type;

  for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {
    type = state.implicitTypes[index];

    if (type.resolve(str)) {
      return true;
    }
  }

  return false;
}

// [33] s-white ::= s-space | s-tab
function isWhitespace(c) {
  return c === CHAR_SPACE || c === CHAR_TAB;
}

// Returns true if the character can be printed without escaping.
// From YAML 1.2: "any allowed characters known to be non-printable
// should also be escaped. [However,] This isn’t mandatory"
// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029.
function isPrintable(c) {
  return  (0x00020 <= c && c <= 0x00007E)
      || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)
      || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM)
      ||  (0x10000 <= c && c <= 0x10FFFF);
}

// [34] ns-char ::= nb-char - s-white
// [27] nb-char ::= c-printable - b-char - c-byte-order-mark
// [26] b-char  ::= b-line-feed | b-carriage-return
// Including s-white (for some reason, examples doesn't match specs in this aspect)
// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark
function isNsCharOrWhitespace(c) {
  return isPrintable(c)
    && c !== CHAR_BOM
    // - b-char
    && c !== CHAR_CARRIAGE_RETURN
    && c !== CHAR_LINE_FEED;
}

// [127]  ns-plain-safe(c) ::= c = flow-out  ⇒ ns-plain-safe-out
//                             c = flow-in   ⇒ ns-plain-safe-in
//                             c = block-key ⇒ ns-plain-safe-out
//                             c = flow-key  ⇒ ns-plain-safe-in
// [128] ns-plain-safe-out ::= ns-char
// [129]  ns-plain-safe-in ::= ns-char - c-flow-indicator
// [130]  ns-plain-char(c) ::=  ( ns-plain-safe(c) - “:” - “#” )
//                            | ( /* An ns-char preceding */ “#” )
//                            | ( “:” /* Followed by an ns-plain-safe(c) */ )
function isPlainSafe(c, prev, inblock) {
  var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c);
  var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c);
  return (
    // ns-plain-safe
    inblock ? // c = flow-in
      cIsNsCharOrWhitespace
      : cIsNsCharOrWhitespace
        // - c-flow-indicator
        && c !== CHAR_COMMA
        && c !== CHAR_LEFT_SQUARE_BRACKET
        && c !== CHAR_RIGHT_SQUARE_BRACKET
        && c !== CHAR_LEFT_CURLY_BRACKET
        && c !== CHAR_RIGHT_CURLY_BRACKET
  )
    // ns-plain-char
    && c !== CHAR_SHARP // false on '#'
    && !(prev === CHAR_COLON && !cIsNsChar) // false on ': '
    || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#'
    || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]'
}

// Simplified test for values allowed as the first character in plain style.
function isPlainSafeFirst(c) {
  // Uses a subset of ns-char - c-indicator
  // where ns-char = nb-char - s-white.
  // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part
  return isPrintable(c) && c !== CHAR_BOM
    && !isWhitespace(c) // - s-white
    // - (c-indicator ::=
    // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”
    && c !== CHAR_MINUS
    && c !== CHAR_QUESTION
    && c !== CHAR_COLON
    && c !== CHAR_COMMA
    && c !== CHAR_LEFT_SQUARE_BRACKET
    && c !== CHAR_RIGHT_SQUARE_BRACKET
    && c !== CHAR_LEFT_CURLY_BRACKET
    && c !== CHAR_RIGHT_CURLY_BRACKET
    // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"”
    && c !== CHAR_SHARP
    && c !== CHAR_AMPERSAND
    && c !== CHAR_ASTERISK
    && c !== CHAR_EXCLAMATION
    && c !== CHAR_VERTICAL_LINE
    && c !== CHAR_EQUALS
    && c !== CHAR_GREATER_THAN
    && c !== CHAR_SINGLE_QUOTE
    && c !== CHAR_DOUBLE_QUOTE
    // | “%” | “@” | “`”)
    && c !== CHAR_PERCENT
    && c !== CHAR_COMMERCIAL_AT
    && c !== CHAR_GRAVE_ACCENT;
}

// Simplified test for values allowed as the last character in plain style.
function isPlainSafeLast(c) {
  // just not whitespace or colon, it will be checked to be plain character later
  return !isWhitespace(c) && c !== CHAR_COLON;
}

// Same as 'string'.codePointAt(pos), but works in older browsers.
function codePointAt(string, pos) {
  var first = string.charCodeAt(pos), second;
  if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) {
    second = string.charCodeAt(pos + 1);
    if (second >= 0xDC00 && second <= 0xDFFF) {
      // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
      return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
    }
  }
  return first;
}

// Determines whether block indentation indicator is required.
function needIndentIndicator(string) {
  var leadingSpaceRe = /^\n* /;
  return leadingSpaceRe.test(string);
}

var STYLE_PLAIN   = 1,
    STYLE_SINGLE  = 2,
    STYLE_LITERAL = 3,
    STYLE_FOLDED  = 4,
    STYLE_DOUBLE  = 5;

// Determines which scalar styles are possible and returns the preferred style.
// lineWidth = -1 => no limit.
// Pre-conditions: str.length > 0.
// Post-conditions:
//    STYLE_PLAIN or STYLE_SINGLE => no \n are in the string.
//    STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).
//    STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).
function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth,
  testAmbiguousType, quotingType, forceQuotes, inblock) {

  var i;
  var char = 0;
  var prevChar = null;
  var hasLineBreak = false;
  var hasFoldableLine = false; // only checked if shouldTrackWidth
  var shouldTrackWidth = lineWidth !== -1;
  var previousLineBreak = -1; // count the first line correctly
  var plain = isPlainSafeFirst(codePointAt(string, 0))
          && isPlainSafeLast(codePointAt(string, string.length - 1));

  if (singleLineOnly || forceQuotes) {
    // Case: no block styles.
    // Check for disallowed characters to rule out plain and single.
    for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {
      char = codePointAt(string, i);
      if (!isPrintable(char)) {
        return STYLE_DOUBLE;
      }
      plain = plain && isPlainSafe(char, prevChar, inblock);
      prevChar = char;
    }
  } else {
    // Case: block styles permitted.
    for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {
      char = codePointAt(string, i);
      if (char === CHAR_LINE_FEED) {
        hasLineBreak = true;
        // Check if any line can be folded.
        if (shouldTrackWidth) {
          hasFoldableLine = hasFoldableLine ||
            // Foldable line = too long, and not more-indented.
            (i - previousLineBreak - 1 > lineWidth &&
             string[previousLineBreak + 1] !== ' ');
          previousLineBreak = i;
        }
      } else if (!isPrintable(char)) {
        return STYLE_DOUBLE;
      }
      plain = plain && isPlainSafe(char, prevChar, inblock);
      prevChar = char;
    }
    // in case the end is missing a \n
    hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&
      (i - previousLineBreak - 1 > lineWidth &&
       string[previousLineBreak + 1] !== ' '));
  }
  // Although every style can represent \n without escaping, prefer block styles
  // for multiline, since they're more readable and they don't add empty lines.
  // Also prefer folding a super-long line.
  if (!hasLineBreak && !hasFoldableLine) {
    // Strings interpretable as another type have to be quoted;
    // e.g. the string 'true' vs. the boolean true.
    if (plain && !forceQuotes && !testAmbiguousType(string)) {
      return STYLE_PLAIN;
    }
    return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;
  }
  // Edge case: block indentation indicator can only have one digit.
  if (indentPerLevel > 9 && needIndentIndicator(string)) {
    return STYLE_DOUBLE;
  }
  // At this point we know block styles are valid.
  // Prefer literal style unless we want to fold.
  if (!forceQuotes) {
    return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;
  }
  return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;
}

// Note: line breaking/folding is implemented for only the folded style.
// NB. We drop the last trailing newline (if any) of a returned block scalar
//  since the dumper adds its own newline. This always works:
//    • No ending newline => unaffected; already using strip "-" chomping.
//    • Ending newline    => removed then restored.
//  Importantly, this keeps the "+" chomp indicator from gaining an extra line.
function writeScalar(state, string, level, iskey, inblock) {
  state.dump = (function () {
    if (string.length === 0) {
      return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''";
    }
    if (!state.noCompatMode) {
      if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) {
        return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'");
      }
    }

    var indent = state.indent * Math.max(1, level); // no 0-indent scalars
    // As indentation gets deeper, let the width decrease monotonically
    // to the lower bound min(state.lineWidth, 40).
    // Note that this implies
    //  state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.
    //  state.lineWidth > 40 + state.indent: width decreases until the lower bound.
    // This behaves better than a constant minimum width which disallows narrower options,
    // or an indent threshold which causes the width to suddenly increase.
    var lineWidth = state.lineWidth === -1
      ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);

    // Without knowing if keys are implicit/explicit, assume implicit for safety.
    var singleLineOnly = iskey
      // No block styles in flow mode.
      || (state.flowLevel > -1 && level >= state.flowLevel);
    function testAmbiguity(string) {
      return testImplicitResolving(state, string);
    }

    switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth,
      testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) {

      case STYLE_PLAIN:
        return string;
      case STYLE_SINGLE:
        return "'" + string.replace(/'/g, "''") + "'";
      case STYLE_LITERAL:
        return '|' + blockHeader(string, state.indent)
          + dropEndingNewline(indentString(string, indent));
      case STYLE_FOLDED:
        return '>' + blockHeader(string, state.indent)
          + dropEndingNewline(indentString(foldString(string, lineWidth), indent));
      case STYLE_DOUBLE:
        return '"' + escapeString(string) + '"';
      default:
        throw new exception('impossible error: invalid scalar style');
    }
  }());
}

// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.
function blockHeader(string, indentPerLevel) {
  var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';

  // note the special case: the string '\n' counts as a "trailing" empty line.
  var clip =          string[string.length - 1] === '\n';
  var keep = clip && (string[string.length - 2] === '\n' || string === '\n');
  var chomp = keep ? '+' : (clip ? '' : '-');

  return indentIndicator + chomp + '\n';
}

// (See the note for writeScalar.)
function dropEndingNewline(string) {
  return string[string.length - 1] === '\n' ? string.slice(0, -1) : string;
}

// Note: a long line without a suitable break point will exceed the width limit.
// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.
function foldString(string, width) {
  // In folded style, $k$ consecutive newlines output as $k+1$ newlines—
  // unless they're before or after a more-indented line, or at the very
  // beginning or end, in which case $k$ maps to $k$.
  // Therefore, parse each chunk as newline(s) followed by a content line.
  var lineRe = /(\n+)([^\n]*)/g;

  // first line (possibly an empty line)
  var result = (function () {
    var nextLF = string.indexOf('\n');
    nextLF = nextLF !== -1 ? nextLF : string.length;
    lineRe.lastIndex = nextLF;
    return foldLine(string.slice(0, nextLF), width);
  }());
  // If we haven't reached the first content line yet, don't add an extra \n.
  var prevMoreIndented = string[0] === '\n' || string[0] === ' ';
  var moreIndented;

  // rest of the lines
  var match;
  while ((match = lineRe.exec(string))) {
    var prefix = match[1], line = match[2];
    moreIndented = (line[0] === ' ');
    result += prefix
      + (!prevMoreIndented && !moreIndented && line !== ''
        ? '\n' : '')
      + foldLine(line, width);
    prevMoreIndented = moreIndented;
  }

  return result;
}

// Greedy line breaking.
// Picks the longest line under the limit each time,
// otherwise settles for the shortest line over the limit.
// NB. More-indented lines *cannot* be folded, as that would add an extra \n.
function foldLine(line, width) {
  if (line === '' || line[0] === ' ') return line;

  // Since a more-indented line adds a \n, breaks can't be followed by a space.
  var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.
  var match;
  // start is an inclusive index. end, curr, and next are exclusive.
  var start = 0, end, curr = 0, next = 0;
  var result = '';

  // Invariants: 0 <= start <= length-1.
  //   0 <= curr <= next <= max(0, length-2). curr - start <= width.
  // Inside the loop:
  //   A match implies length >= 2, so curr and next are <= length-2.
  while ((match = breakRe.exec(line))) {
    next = match.index;
    // maintain invariant: curr - start <= width
    if (next - start > width) {
      end = (curr > start) ? curr : next; // derive end <= length-2
      result += '\n' + line.slice(start, end);
      // skip the space that was output as \n
      start = end + 1;                    // derive start <= length-1
    }
    curr = next;
  }

  // By the invariants, start <= length-1, so there is something left over.
  // It is either the whole string or a part starting from non-whitespace.
  result += '\n';
  // Insert a break if the remainder is too long and there is a break available.
  if (line.length - start > width && curr > start) {
    result += line.slice(start, curr) + '\n' + line.slice(curr + 1);
  } else {
    result += line.slice(start);
  }

  return result.slice(1); // drop extra \n joiner
}

// Escapes a double-quoted string.
function escapeString(string) {
  var result = '';
  var char = 0;
  var escapeSeq;

  for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {
    char = codePointAt(string, i);
    escapeSeq = ESCAPE_SEQUENCES[char];

    if (!escapeSeq && isPrintable(char)) {
      result += string[i];
      if (char >= 0x10000) result += string[i + 1];
    } else {
      result += escapeSeq || encodeHex(char);
    }
  }

  return result;
}

function writeFlowSequence(state, level, object) {
  var _result = '',
      _tag    = state.tag,
      index,
      length,
      value;

  for (index = 0, length = object.length; index < length; index += 1) {
    value = object[index];

    if (state.replacer) {
      value = state.replacer.call(object, String(index), value);
    }

    // Write only valid elements, put null instead of invalid elements.
    if (writeNode(state, level, value, false, false) ||
        (typeof value === 'undefined' &&
         writeNode(state, level, null, false, false))) {

      if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : '');
      _result += state.dump;
    }
  }

  state.tag = _tag;
  state.dump = '[' + _result + ']';
}

function writeBlockSequence(state, level, object, compact) {
  var _result = '',
      _tag    = state.tag,
      index,
      length,
      value;

  for (index = 0, length = object.length; index < length; index += 1) {
    value = object[index];

    if (state.replacer) {
      value = state.replacer.call(object, String(index), value);
    }

    // Write only valid elements, put null instead of invalid elements.
    if (writeNode(state, level + 1, value, true, true, false, true) ||
        (typeof value === 'undefined' &&
         writeNode(state, level + 1, null, true, true, false, true))) {

      if (!compact || _result !== '') {
        _result += generateNextLine(state, level);
      }

      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
        _result += '-';
      } else {
        _result += '- ';
      }

      _result += state.dump;
    }
  }

  state.tag = _tag;
  state.dump = _result || '[]'; // Empty sequence if no valid values.
}

function writeFlowMapping(state, level, object) {
  var _result       = '',
      _tag          = state.tag,
      objectKeyList = Object.keys(object),
      index,
      length,
      objectKey,
      objectValue,
      pairBuffer;

  for (index = 0, length = objectKeyList.length; index < length; index += 1) {

    pairBuffer = '';
    if (_result !== '') pairBuffer += ', ';

    if (state.condenseFlow) pairBuffer += '"';

    objectKey = objectKeyList[index];
    objectValue = object[objectKey];

    if (state.replacer) {
      objectValue = state.replacer.call(object, objectKey, objectValue);
    }

    if (!writeNode(state, level, objectKey, false, false)) {
      continue; // Skip this pair because of invalid key;
    }

    if (state.dump.length > 1024) pairBuffer += '? ';

    pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' ');

    if (!writeNode(state, level, objectValue, false, false)) {
      continue; // Skip this pair because of invalid value.
    }

    pairBuffer += state.dump;

    // Both key and value are valid.
    _result += pairBuffer;
  }

  state.tag = _tag;
  state.dump = '{' + _result + '}';
}

function writeBlockMapping(state, level, object, compact) {
  var _result       = '',
      _tag          = state.tag,
      objectKeyList = Object.keys(object),
      index,
      length,
      objectKey,
      objectValue,
      explicitPair,
      pairBuffer;

  // Allow sorting keys so that the output file is deterministic
  if (state.sortKeys === true) {
    // Default sorting
    objectKeyList.sort();
  } else if (typeof state.sortKeys === 'function') {
    // Custom sort function
    objectKeyList.sort(state.sortKeys);
  } else if (state.sortKeys) {
    // Something is wrong
    throw new exception('sortKeys must be a boolean or a function');
  }

  for (index = 0, length = objectKeyList.length; index < length; index += 1) {
    pairBuffer = '';

    if (!compact || _result !== '') {
      pairBuffer += generateNextLine(state, level);
    }

    objectKey = objectKeyList[index];
    objectValue = object[objectKey];

    if (state.replacer) {
      objectValue = state.replacer.call(object, objectKey, objectValue);
    }

    if (!writeNode(state, level + 1, objectKey, true, true, true)) {
      continue; // Skip this pair because of invalid key.
    }

    explicitPair = (state.tag !== null && state.tag !== '?') ||
                   (state.dump && state.dump.length > 1024);

    if (explicitPair) {
      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
        pairBuffer += '?';
      } else {
        pairBuffer += '? ';
      }
    }

    pairBuffer += state.dump;

    if (explicitPair) {
      pairBuffer += generateNextLine(state, level);
    }

    if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {
      continue; // Skip this pair because of invalid value.
    }

    if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
      pairBuffer += ':';
    } else {
      pairBuffer += ': ';
    }

    pairBuffer += state.dump;

    // Both key and value are valid.
    _result += pairBuffer;
  }

  state.tag = _tag;
  state.dump = _result || '{}'; // Empty mapping if no valid pairs.
}

function detectType(state, object, explicit) {
  var _result, typeList, index, length, type, style;

  typeList = explicit ? state.explicitTypes : state.implicitTypes;

  for (index = 0, length = typeList.length; index < length; index += 1) {
    type = typeList[index];

    if ((type.instanceOf  || type.predicate) &&
        (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&
        (!type.predicate  || type.predicate(object))) {

      if (explicit) {
        if (type.multi && type.representName) {
          state.tag = type.representName(object);
        } else {
          state.tag = type.tag;
        }
      } else {
        state.tag = '?';
      }

      if (type.represent) {
        style = state.styleMap[type.tag] || type.defaultStyle;

        if (_toString.call(type.represent) === '[object Function]') {
          _result = type.represent(object, style);
        } else if (_hasOwnProperty.call(type.represent, style)) {
          _result = type.represent[style](object, style);
        } else {
          throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style');
        }

        state.dump = _result;
      }

      return true;
    }
  }

  return false;
}

// Serializes `object` and writes it to global `result`.
// Returns true on success, or false on invalid object.
//
function writeNode(state, level, object, block, compact, iskey, isblockseq) {
  state.tag = null;
  state.dump = object;

  if (!detectType(state, object, false)) {
    detectType(state, object, true);
  }

  var type = _toString.call(state.dump);
  var inblock = block;
  var tagStr;

  if (block) {
    block = (state.flowLevel < 0 || state.flowLevel > level);
  }

  var objectOrArray = type === '[object Object]' || type === '[object Array]',
      duplicateIndex,
      duplicate;

  if (objectOrArray) {
    duplicateIndex = state.duplicates.indexOf(object);
    duplicate = duplicateIndex !== -1;
  }

  if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {
    compact = false;
  }

  if (duplicate && state.usedDuplicates[duplicateIndex]) {
    state.dump = '*ref_' + duplicateIndex;
  } else {
    if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {
      state.usedDuplicates[duplicateIndex] = true;
    }
    if (type === '[object Object]') {
      if (block && (Object.keys(state.dump).length !== 0)) {
        writeBlockMapping(state, level, state.dump, compact);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + state.dump;
        }
      } else {
        writeFlowMapping(state, level, state.dump);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
        }
      }
    } else if (type === '[object Array]') {
      if (block && (state.dump.length !== 0)) {
        if (state.noArrayIndent && !isblockseq && level > 0) {
          writeBlockSequence(state, level - 1, state.dump, compact);
        } else {
          writeBlockSequence(state, level, state.dump, compact);
        }
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + state.dump;
        }
      } else {
        writeFlowSequence(state, level, state.dump);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
        }
      }
    } else if (type === '[object String]') {
      if (state.tag !== '?') {
        writeScalar(state, state.dump, level, iskey, inblock);
      }
    } else if (type === '[object Undefined]') {
      return false;
    } else {
      if (state.skipInvalid) return false;
      throw new exception('unacceptable kind of an object to dump ' + type);
    }

    if (state.tag !== null && state.tag !== '?') {
      // Need to encode all characters except those allowed by the spec:
      //
      // [35] ns-dec-digit    ::=  [#x30-#x39] /* 0-9 */
      // [36] ns-hex-digit    ::=  ns-dec-digit
      //                         | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */
      // [37] ns-ascii-letter ::=  [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */
      // [38] ns-word-char    ::=  ns-dec-digit | ns-ascii-letter | “-”
      // [39] ns-uri-char     ::=  “%” ns-hex-digit ns-hex-digit | ns-word-char | “#”
      //                         | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,”
      //                         | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]”
      //
      // Also need to encode '!' because it has special meaning (end of tag prefix).
      //
      tagStr = encodeURI(
        state.tag[0] === '!' ? state.tag.slice(1) : state.tag
      ).replace(/!/g, '%21');

      if (state.tag[0] === '!') {
        tagStr = '!' + tagStr;
      } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') {
        tagStr = '!!' + tagStr.slice(18);
      } else {
        tagStr = '!<' + tagStr + '>';
      }

      state.dump = tagStr + ' ' + state.dump;
    }
  }

  return true;
}

function getDuplicateReferences(object, state) {
  var objects = [],
      duplicatesIndexes = [],
      index,
      length;

  inspectNode(object, objects, duplicatesIndexes);

  for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {
    state.duplicates.push(objects[duplicatesIndexes[index]]);
  }
  state.usedDuplicates = new Array(length);
}

function inspectNode(object, objects, duplicatesIndexes) {
  var objectKeyList,
      index,
      length;

  if (object !== null && typeof object === 'object') {
    index = objects.indexOf(object);
    if (index !== -1) {
      if (duplicatesIndexes.indexOf(index) === -1) {
        duplicatesIndexes.push(index);
      }
    } else {
      objects.push(object);

      if (Array.isArray(object)) {
        for (index = 0, length = object.length; index < length; index += 1) {
          inspectNode(object[index], objects, duplicatesIndexes);
        }
      } else {
        objectKeyList = Object.keys(object);

        for (index = 0, length = objectKeyList.length; index < length; index += 1) {
          inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);
        }
      }
    }
  }
}

function dump$1(input, options) {
  options = options || {};

  var state = new State(options);

  if (!state.noRefs) getDuplicateReferences(input, state);

  var value = input;

  if (state.replacer) {
    value = state.replacer.call({ '': value }, '', value);
  }

  if (writeNode(state, 0, value, true, true)) return state.dump + '\n';

  return '';
}

var dump_1 = dump$1;

var dumper = {
	dump: dump_1
};

function renamed(from, to) {
  return function () {
    throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' +
      'Use yaml.' + to + ' instead, which is now safe by default.');
  };
}


var Type                = type;
var Schema              = schema;
var FAILSAFE_SCHEMA     = failsafe;
var JSON_SCHEMA         = json;
var CORE_SCHEMA         = core;
var DEFAULT_SCHEMA      = _default;
var load                = loader.load;
var loadAll             = loader.loadAll;
var dump                = dumper.dump;
var YAMLException       = exception;

// Re-export all types in case user wants to create custom schema
var types = {
  binary:    binary,
  float:     float,
  map:       map,
  null:      _null,
  pairs:     pairs,
  set:       set,
  timestamp: timestamp,
  bool:      bool,
  int:       int,
  merge:     merge,
  omap:      omap,
  seq:       seq,
  str:       str
};

// Removed functions from JS-YAML 3.0.x
var safeLoad            = renamed('safeLoad', 'load');
var safeLoadAll         = renamed('safeLoadAll', 'loadAll');
var safeDump            = renamed('safeDump', 'dump');

var jsYaml = {
	Type: Type,
	Schema: Schema,
	FAILSAFE_SCHEMA: FAILSAFE_SCHEMA,
	JSON_SCHEMA: JSON_SCHEMA,
	CORE_SCHEMA: CORE_SCHEMA,
	DEFAULT_SCHEMA: DEFAULT_SCHEMA,
	load: load,
	loadAll: loadAll,
	dump: dump,
	YAMLException: YAMLException,
	types: types,
	safeLoad: safeLoad,
	safeLoadAll: safeLoadAll,
	safeDump: safeDump
};

class CSSSettingsPlugin extends obsidian.Plugin {
    constructor() {
        super(...arguments);
        this.settingsList = [];
        this.errorList = [];
        this.commandList = [];
        this.debounceTimer = 0;
    }
    onload() {
        return __awaiter(this, void 0, void 0, function* () {
            this.settingsManager = new CSSSettingsManager(this);
            yield this.settingsManager.load();
            this.settingsTab = new CSSSettingsTab(this.app, this);
            this.addSettingTab(this.settingsTab);
            this.registerView(viewType, (leaf) => new SettingsView(this, leaf));
            this.addCommand({
                id: 'show-style-settings-leaf',
                name: 'Show style settings view',
                callback: () => {
                    this.activateView();
                },
            });
            this.registerEvent(this.app.workspace.on('css-change', (data) => {
                if ((data === null || data === void 0 ? void 0 : data.source) !== 'style-settings') {
                    this.parseCSS();
                }
            }));
            this.registerEvent(this.app.workspace.on('parse-style-settings', () => {
                this.parseCSS();
            }));
            this.lightEl = document.body.createDiv('theme-light style-settings-ref');
            this.darkEl = document.body.createDiv('theme-dark style-settings-ref');
            document.body.classList.add('css-settings-manager');
            this.parseCSS();
            this.app.workspace.onLayoutReady(() => {
                if (this.settingsList) {
                    this.app.workspace.getLeavesOfType(viewType).forEach((leaf) => {
                        leaf.view.setSettings(this.settingsList, this.errorList);
                    });
                }
            });
        });
    }
    getCSSVar(id) {
        const light = getComputedStyle(this.lightEl).getPropertyValue(`--${id}`);
        const dark = getComputedStyle(this.darkEl).getPropertyValue(`--${id}`);
        const current = getComputedStyle(document.body).getPropertyValue(`--${id}`);
        return { light, dark, current };
    }
    parseCSS() {
        clearTimeout(this.debounceTimer);
        this.debounceTimer = activeWindow.setTimeout(() => {
            this.settingsList = [];
            this.errorList = [];
            // remove registered theme commands (sadly undocumented API)
            for (const command of this.commandList) {
                // @ts-ignore
                this.app.commands.removeCommand(command.id);
            }
            this.commandList = [];
            this.settingsManager.removeClasses();
            const styleSheets = document.styleSheets;
            for (let i = 0, len = styleSheets.length; i < len; i++) {
                const sheet = styleSheets.item(i);
                this.parseCSSStyleSheet(sheet);
            }
            // compatability with Settings Search Plugin
            this.registerSettingsToSettingsSearch();
            this.settingsTab.setSettings(this.settingsList, this.errorList);
            this.app.workspace.getLeavesOfType(viewType).forEach((leaf) => {
                leaf.view.setSettings(this.settingsList, this.errorList);
            });
            this.settingsManager.setConfig(this.settingsList);
            this.settingsManager.initClasses();
            this.registerSettingCommands();
        }, 100);
    }
    /**
     * Registers the current settings to the settings search plugin.
     * It also unregisters the old settings.
     *
     * @private
     */
    registerSettingsToSettingsSearch() {
        var _a;
        const onSettingsSearchLoaded = () => {
            if (window.SettingsSearch) {
                const settingsSearch = window.SettingsSearch;
                settingsSearch.removeTabResources('obsidian-style-settings');
                for (const parsedCSSSetting of this.settingsList) {
                    settingsSearch.addResources(...parsedCSSSetting.settings.map((x) => {
                        var _a, _b;
                        const settingsSearchResource = {
                            tab: 'obsidian-style-settings',
                            name: 'Style Settings',
                            text: (_a = getTitle(x)) !== null && _a !== void 0 ? _a : '',
                            desc: (_b = getDescription(x)) !== null && _b !== void 0 ? _b : '',
                        };
                        return settingsSearchResource;
                    }));
                }
            }
        };
        // @ts-ignore TODO: expand obsidian types, so that the ts-ignore is not needed
        if ((_a = this.app.plugins.plugins['settings-search']) === null || _a === void 0 ? void 0 : _a.loaded) {
            onSettingsSearchLoaded();
        }
        else {
            // @ts-ignore
            this.app.workspace.on('settings-search-loaded', () => {
                onSettingsSearchLoaded();
            });
        }
    }
    /**
     * Remove any settings from settings search if settings search is loaded.
     *
     * @private
     */
    unregisterSettingsFromSettingsSearch() {
        var _a;
        // @ts-ignore TODO: expand obsidian types, so that the ts-ignore is not needed
        if ((_a = this.app.plugins.plugins['settings-search']) === null || _a === void 0 ? void 0 : _a.loaded) {
            // @ts-ignore
            window.SettingsSearch.removeTabResources('obsidian-style-settings');
        }
    }
    /**
     * Parses the settings from a css style sheet.
     * Adds the parsed settings to `settingsList` and any errors to `errorList`.
     *
     * @param sheet the stylesheet to parse
     * @private
     */
    parseCSSStyleSheet(sheet) {
        const text = sheet.ownerNode.textContent.trim();
        let match = settingRegExp.exec(text);
        if (match && match.length) {
            do {
                const nameMatch = text.match(nameRegExp);
                const name = nameMatch ? nameMatch[1] : undefined;
                try {
                    const str = match[1].trim();
                    const settings = this.parseCSSSettings(str, name);
                    if (settings &&
                        typeof settings === 'object' &&
                        settings.name &&
                        settings.id &&
                        settings.settings &&
                        settings.settings.length) {
                        this.settingsList.push(settings);
                    }
                }
                catch (e) {
                    this.errorList.push({ name, error: `${e}` });
                }
            } while ((match = settingRegExp.exec(text)) !== null);
        }
    }
    /**
     * Parse css settings from a string.
     *
     * @param str the stringified settings to parse
     * @param name the name of the file
     * @private
     */
    parseCSSSettings(str, name) {
        const indent = detectIndent(str);
        const settings = jsYaml.load(str.replace(/\t/g, indent.type === 'space' ? indent.indent : '    '), {
            filename: name,
        });
        if (!settings.settings)
            return undefined;
        settings.settings = settings.settings.filter((setting) => setting);
        return settings;
    }
    registerSettingCommands() {
        for (const section of this.settingsList) {
            for (const setting of section.settings) {
                if (setting.type === SettingType.CLASS_TOGGLE &&
                    setting.addCommand) {
                    this.addClassToggleCommand(section, setting);
                }
            }
        }
    }
    addClassToggleCommand(section, setting) {
        this.commandList.push(this.addCommand({
            id: `style-settings-class-toggle-${section.id}-${setting.id}`,
            name: `Toggle ${setting.title}`,
            callback: () => {
                const value = !this.settingsManager.getSetting(section.id, setting.id);
                this.settingsManager.setSetting(section.id, setting.id, value);
                this.settingsTab.settingsMarkup.rerender();
                for (const leaf of this.app.workspace.getLeavesOfType(viewType)) {
                    leaf.view.settingsMarkup.rerender();
                }
            },
        }));
    }
    onunload() {
        this.lightEl.remove();
        this.darkEl.remove();
        this.lightEl = null;
        this.darkEl = null;
        document.body.classList.remove('css-settings-manager');
        this.settingsManager.cleanup();
        this.deactivateView();
        this.unregisterSettingsFromSettingsSearch();
    }
    deactivateView() {
        this.app.workspace.detachLeavesOfType(viewType);
    }
    activateView() {
        return __awaiter(this, void 0, void 0, function* () {
            this.deactivateView();
            const leaf = this.app.workspace.getLeaf('tab');
            yield leaf.setViewState({
                type: viewType,
                active: true,
            });
            leaf.view.setSettings(this.settingsList, this.errorList);
        });
    }
}

module.exports = CSSSettingsPlugin;
