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   1  /******/ (() => { // webpackBootstrap
   2  /******/     "use strict";
   3  /******/     // The require scope
   4  /******/     var __webpack_require__ = {};
   5  /******/     
   6  /************************************************************************/
   7  /******/     /* webpack/runtime/define property getters */
   8  /******/     (() => {
   9  /******/         // define getter functions for harmony exports
  10  /******/         __webpack_require__.d = (exports, definition) => {
  11  /******/             for(var key in definition) {
  12  /******/                 if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
  13  /******/                     Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
  14  /******/                 }
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  19  /******/     /* webpack/runtime/hasOwnProperty shorthand */
  20  /******/     (() => {
  21  /******/         __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
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  23  /******/     
  24  /************************************************************************/
  25  var __webpack_exports__ = {};
  26  /* harmony export */ __webpack_require__.d(__webpack_exports__, {
  27  /* harmony export */   "default": () => (/* binding */ TokenList)
  28  /* harmony export */ });
  29  /* wp:polyfill */
  30  /**
  31   * A set of tokens.
  32   *
  33   * @see https://dom.spec.whatwg.org/#domtokenlist
  34   */
  35  class TokenList {
  36    /**
  37     * Constructs a new instance of TokenList.
  38     *
  39     * @param initialValue Initial value to assign.
  40     */
  41    constructor(initialValue = '') {
  42      this._currentValue = '';
  43      this._valueAsArray = [];
  44      this.value = initialValue;
  45    }
  46    entries(...args) {
  47      return this._valueAsArray.entries(...args);
  48    }
  49    forEach(...args) {
  50      return this._valueAsArray.forEach(...args);
  51    }
  52    keys(...args) {
  53      return this._valueAsArray.keys(...args);
  54    }
  55    values(...args) {
  56      return this._valueAsArray.values(...args);
  57    }
  58  
  59    /**
  60     * Returns the associated set as string.
  61     *
  62     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-value
  63     *
  64     * @return Token set as string.
  65     */
  66    get value() {
  67      return this._currentValue;
  68    }
  69  
  70    /**
  71     * Replaces the associated set with a new string value.
  72     *
  73     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-value
  74     *
  75     * @param value New token set as string.
  76     */
  77    set value(value) {
  78      value = String(value);
  79      this._valueAsArray = [...new Set(value.split(/\s+/g).filter(Boolean))];
  80      this._currentValue = this._valueAsArray.join(' ');
  81    }
  82  
  83    /**
  84     * Returns the number of tokens.
  85     *
  86     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-length
  87     *
  88     * @return Number of tokens.
  89     */
  90    get length() {
  91      return this._valueAsArray.length;
  92    }
  93  
  94    /**
  95     * Returns the stringified form of the TokenList.
  96     *
  97     * @see https://dom.spec.whatwg.org/#DOMTokenList-stringification-behavior
  98     * @see https://www.ecma-international.org/ecma-262/9.0/index.html#sec-tostring
  99     *
 100     * @return Token set as string.
 101     */
 102    toString() {
 103      return this.value;
 104    }
 105  
 106    /**
 107     * Returns an iterator for the TokenList, iterating items of the set.
 108     *
 109     * @see https://dom.spec.whatwg.org/#domtokenlist
 110     *
 111     * @return TokenList iterator.
 112     */
 113    *[Symbol.iterator]() {
 114      return yield* this._valueAsArray;
 115    }
 116  
 117    /**
 118     * Returns the token with index `index`.
 119     *
 120     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-item
 121     *
 122     * @param index Index at which to return token.
 123     *
 124     * @return Token at index.
 125     */
 126    item(index) {
 127      return this._valueAsArray[index];
 128    }
 129  
 130    /**
 131     * Returns true if `token` is present, and false otherwise.
 132     *
 133     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-contains
 134     *
 135     * @param item Token to test.
 136     *
 137     * @return Whether token is present.
 138     */
 139    contains(item) {
 140      return this._valueAsArray.indexOf(item) !== -1;
 141    }
 142  
 143    /**
 144     * Adds all arguments passed, except those already present.
 145     *
 146     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-add
 147     *
 148     * @param items Items to add.
 149     */
 150    add(...items) {
 151      this.value += ' ' + items.join(' ');
 152    }
 153  
 154    /**
 155     * Removes arguments passed, if they are present.
 156     *
 157     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-remove
 158     *
 159     * @param items Items to remove.
 160     */
 161    remove(...items) {
 162      this.value = this._valueAsArray.filter(val => !items.includes(val)).join(' ');
 163    }
 164  
 165    /**
 166     * If `force` is not given, "toggles" `token`, removing it if it’s present
 167     * and adding it if it’s not present. If `force` is true, adds token (same
 168     * as add()). If force is false, removes token (same as remove()). Returns
 169     * true if `token` is now present, and false otherwise.
 170     *
 171     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-toggle
 172     *
 173     * @param token   Token to toggle.
 174     * @param [force] Presence to force.
 175     *
 176     * @return Whether token is present after toggle.
 177     */
 178    toggle(token, force) {
 179      if (undefined === force) {
 180        force = !this.contains(token);
 181      }
 182      if (force) {
 183        this.add(token);
 184      } else {
 185        this.remove(token);
 186      }
 187      return force;
 188    }
 189  
 190    /**
 191     * Replaces `token` with `newToken`. Returns true if `token` was replaced
 192     * with `newToken`, and false otherwise.
 193     *
 194     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-replace
 195     *
 196     * @param token    Token to replace with `newToken`.
 197     * @param newToken Token to use in place of `token`.
 198     *
 199     * @return Whether replacement occurred.
 200     */
 201    replace(token, newToken) {
 202      if (!this.contains(token)) {
 203        return false;
 204      }
 205      this.remove(token);
 206      this.add(newToken);
 207      return true;
 208    }
 209  
 210    /* eslint-disable @typescript-eslint/no-unused-vars */
 211    /**
 212     * Returns true if `token` is in the associated attribute’s supported
 213     * tokens. Returns false otherwise.
 214     *
 215     * Always returns `true` in this implementation.
 216     *
 217     * @param _token
 218     * @see https://dom.spec.whatwg.org/#dom-domtokenlist-supports
 219     *
 220     * @return Whether token is supported.
 221     */
 222    supports(_token) {
 223      return true;
 224    }
 225    /* eslint-enable @typescript-eslint/no-unused-vars */
 226  }
 227  
 228  (window.wp = window.wp || {}).tokenList = __webpack_exports__["default"];
 229  /******/ })()
 230  ;