WordPress/wp-includes/js/dist/shortcode.js

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/******/ 	/* webpack/runtime/define property getters */
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var __webpack_exports__ = {};

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "default": function() { return /* binding */ build_module; }
});

// UNUSED EXPORTS: attrs, fromMatch, next, regexp, replace, string

;// CONCATENATED MODULE: ./node_modules/memize/dist/index.js
/**
 * Memize options object.
 *
 * @typedef MemizeOptions
 *
 * @property {number} [maxSize] Maximum size of the cache.
 */

/**
 * Internal cache entry.
 *
 * @typedef MemizeCacheNode
 *
 * @property {?MemizeCacheNode|undefined} [prev] Previous node.
 * @property {?MemizeCacheNode|undefined} [next] Next node.
 * @property {Array<*>}                   args   Function arguments for cache
 *                                               entry.
 * @property {*}                          val    Function result.
 */

/**
 * Properties of the enhanced function for controlling cache.
 *
 * @typedef MemizeMemoizedFunction
 *
 * @property {()=>void} clear Clear the cache.
 */

/**
 * Accepts a function to be memoized, and returns a new memoized function, with
 * optional options.
 *
 * @template {(...args: any[]) => any} F
 *
 * @param {F}             fn        Function to memoize.
 * @param {MemizeOptions} [options] Options object.
 *
 * @return {((...args: Parameters<F>) => ReturnType<F>) & MemizeMemoizedFunction} Memoized function.
 */
function memize(fn, options) {
	var size = 0;

	/** @type {?MemizeCacheNode|undefined} */
	var head;

	/** @type {?MemizeCacheNode|undefined} */
	var tail;

	options = options || {};

	function memoized(/* ...args */) {
		var node = head,
			len = arguments.length,
			args,
			i;

		searchCache: while (node) {
			// Perform a shallow equality test to confirm that whether the node
			// under test is a candidate for the arguments passed. Two arrays
			// are shallowly equal if their length matches and each entry is
			// strictly equal between the two sets. Avoid abstracting to a
			// function which could incur an arguments leaking deoptimization.

			// Check whether node arguments match arguments length
			if (node.args.length !== arguments.length) {
				node = node.next;
				continue;
			}

			// Check whether node arguments match arguments values
			for (i = 0; i < len; i++) {
				if (node.args[i] !== arguments[i]) {
					node = node.next;
					continue searchCache;
				}
			}

			// At this point we can assume we've found a match

			// Surface matched node to head if not already
			if (node !== head) {
				// As tail, shift to previous. Must only shift if not also
				// head, since if both head and tail, there is no previous.
				if (node === tail) {
					tail = node.prev;
				}

				// Adjust siblings to point to each other. If node was tail,
				// this also handles new tail's empty `next` assignment.
				/** @type {MemizeCacheNode} */ (node.prev).next = node.next;
				if (node.next) {
					node.next.prev = node.prev;
				}

				node.next = head;
				node.prev = null;
				/** @type {MemizeCacheNode} */ (head).prev = node;
				head = node;
			}

			// Return immediately
			return node.val;
		}

		// No cached value found. Continue to insertion phase:

		// Create a copy of arguments (avoid leaking deoptimization)
		args = new Array(len);
		for (i = 0; i < len; i++) {
			args[i] = arguments[i];
		}

		node = {
			args: args,

			// Generate the result from original function
			val: fn.apply(null, args),
		};

		// Don't need to check whether node is already head, since it would
		// have been returned above already if it was

		// Shift existing head down list
		if (head) {
			head.prev = node;
			node.next = head;
		} else {
			// If no head, follows that there's no tail (at initial or reset)
			tail = node;
		}

		// Trim tail if we're reached max size and are pending cache insertion
		if (size === /** @type {MemizeOptions} */ (options).maxSize) {
			tail = /** @type {MemizeCacheNode} */ (tail).prev;
			/** @type {MemizeCacheNode} */ (tail).next = null;
		} else {
			size++;
		}

		head = node;

		return node.val;
	}

	memoized.clear = function () {
		head = null;
		tail = null;
		size = 0;
	};

	// Ignore reason: There's not a clear solution to create an intersection of
	// the function with additional properties, where the goal is to retain the
	// function signature of the incoming argument and add control properties
	// on the return value.

	// @ts-ignore
	return memoized;
}



;// CONCATENATED MODULE: ./node_modules/@wordpress/shortcode/build-module/index.js
/**
 * External dependencies
 */

/**
 * Shortcode attributes object.
 *
 * @typedef {Object} WPShortcodeAttrs
 *
 * @property {Object} named   Object with named attributes.
 * @property {Array}  numeric Array with numeric attributes.
 */

/**
 * Shortcode object.
 *
 * @typedef {Object} WPShortcode
 *
 * @property {string}           tag     Shortcode tag.
 * @property {WPShortcodeAttrs} attrs   Shortcode attributes.
 * @property {string}           content Shortcode content.
 * @property {string}           type    Shortcode type: `self-closing`,
 *                                      `closed`, or `single`.
 */

/**
 * @typedef {Object} WPShortcodeMatch
 *
 * @property {number}      index     Index the shortcode is found at.
 * @property {string}      content   Matched content.
 * @property {WPShortcode} shortcode Shortcode instance of the match.
 */

/**
 * Find the next matching shortcode.
 *
 * @param {string} tag   Shortcode tag.
 * @param {string} text  Text to search.
 * @param {number} index Index to start search from.
 *
 * @return {WPShortcodeMatch | undefined} Matched information.
 */

function next(tag, text, index = 0) {
  const re = regexp(tag);
  re.lastIndex = index;
  const match = re.exec(text);

  if (!match) {
    return;
  } // If we matched an escaped shortcode, try again.


  if ('[' === match[1] && ']' === match[7]) {
    return next(tag, text, re.lastIndex);
  }

  const result = {
    index: match.index,
    content: match[0],
    shortcode: fromMatch(match)
  }; // If we matched a leading `[`, strip it from the match and increment the
  // index accordingly.

  if (match[1]) {
    result.content = result.content.slice(1);
    result.index++;
  } // If we matched a trailing `]`, strip it from the match.


  if (match[7]) {
    result.content = result.content.slice(0, -1);
  }

  return result;
}
/**
 * Replace matching shortcodes in a block of text.
 *
 * @param {string}   tag      Shortcode tag.
 * @param {string}   text     Text to search.
 * @param {Function} callback Function to process the match and return
 *                            replacement string.
 *
 * @return {string} Text with shortcodes replaced.
 */

function replace(tag, text, callback) {
  return text.replace(regexp(tag), function (match, left, $3, attrs, slash, content, closing, right) {
    // If both extra brackets exist, the shortcode has been properly
    // escaped.
    if (left === '[' && right === ']') {
      return match;
    } // Create the match object and pass it through the callback.


    const result = callback(fromMatch(arguments)); // Make sure to return any of the extra brackets if they weren't used to
    // escape the shortcode.

    return result || result === '' ? left + result + right : match;
  });
}
/**
 * Generate a string from shortcode parameters.
 *
 * Creates a shortcode instance and returns a string.
 *
 * Accepts the same `options` as the `shortcode()` constructor, containing a
 * `tag` string, a string or object of `attrs`, a boolean indicating whether to
 * format the shortcode using a `single` tag, and a `content` string.
 *
 * @param {Object} options
 *
 * @return {string} String representation of the shortcode.
 */

function string(options) {
  return new shortcode(options).string();
}
/**
 * Generate a RegExp to identify a shortcode.
 *
 * The base regex is functionally equivalent to the one found in
 * `get_shortcode_regex()` in `wp-includes/shortcodes.php`.
 *
 * Capture groups:
 *
 * 1. An extra `[` to allow for escaping shortcodes with double `[[]]`
 * 2. The shortcode name
 * 3. The shortcode argument list
 * 4. The self closing `/`
 * 5. The content of a shortcode when it wraps some content.
 * 6. The closing tag.
 * 7. An extra `]` to allow for escaping shortcodes with double `[[]]`
 *
 * @param {string} tag Shortcode tag.
 *
 * @return {RegExp} Shortcode RegExp.
 */

function regexp(tag) {
  return new RegExp('\\[(\\[?)(' + tag + ')(?![\\w-])([^\\]\\/]*(?:\\/(?!\\])[^\\]\\/]*)*?)(?:(\\/)\\]|\\](?:([^\\[]*(?:\\[(?!\\/\\2\\])[^\\[]*)*)(\\[\\/\\2\\]))?)(\\]?)', 'g');
}
/**
 * Parse shortcode attributes.
 *
 * Shortcodes accept many types of attributes. These can chiefly be divided into
 * named and numeric attributes:
 *
 * Named attributes are assigned on a key/value basis, while numeric attributes
 * are treated as an array.
 *
 * Named attributes can be formatted as either `name="value"`, `name='value'`,
 * or `name=value`. Numeric attributes can be formatted as `"value"` or just
 * `value`.
 *
 * @param {string} text Serialised shortcode attributes.
 *
 * @return {WPShortcodeAttrs} Parsed shortcode attributes.
 */

const attrs = memize(text => {
  const named = {};
  const numeric = []; // This regular expression is reused from `shortcode_parse_atts()` in
  // `wp-includes/shortcodes.php`.
  //
  // Capture groups:
  //
  // 1. An attribute name, that corresponds to...
  // 2. a value in double quotes.
  // 3. An attribute name, that corresponds to...
  // 4. a value in single quotes.
  // 5. An attribute name, that corresponds to...
  // 6. an unquoted value.
  // 7. A numeric attribute in double quotes.
  // 8. A numeric attribute in single quotes.
  // 9. An unquoted numeric attribute.

  const pattern = /([\w-]+)\s*=\s*"([^"]*)"(?:\s|$)|([\w-]+)\s*=\s*'([^']*)'(?:\s|$)|([\w-]+)\s*=\s*([^\s'"]+)(?:\s|$)|"([^"]*)"(?:\s|$)|'([^']*)'(?:\s|$)|(\S+)(?:\s|$)/g; // Map zero-width spaces to actual spaces.

  text = text.replace(/[\u00a0\u200b]/g, ' ');
  let match; // Match and normalize attributes.

  while (match = pattern.exec(text)) {
    if (match[1]) {
      named[match[1].toLowerCase()] = match[2];
    } else if (match[3]) {
      named[match[3].toLowerCase()] = match[4];
    } else if (match[5]) {
      named[match[5].toLowerCase()] = match[6];
    } else if (match[7]) {
      numeric.push(match[7]);
    } else if (match[8]) {
      numeric.push(match[8]);
    } else if (match[9]) {
      numeric.push(match[9]);
    }
  }

  return {
    named,
    numeric
  };
});
/**
 * Generate a Shortcode Object from a RegExp match.
 *
 * Accepts a `match` object from calling `regexp.exec()` on a `RegExp` generated
 * by `regexp()`. `match` can also be set to the `arguments` from a callback
 * passed to `regexp.replace()`.
 *
 * @param {Array} match Match array.
 *
 * @return {WPShortcode} Shortcode instance.
 */

function fromMatch(match) {
  let type;

  if (match[4]) {
    type = 'self-closing';
  } else if (match[6]) {
    type = 'closed';
  } else {
    type = 'single';
  }

  return new shortcode({
    tag: match[2],
    attrs: match[3],
    type,
    content: match[5]
  });
}
/**
 * Creates a shortcode instance.
 *
 * To access a raw representation of a shortcode, pass an `options` object,
 * containing a `tag` string, a string or object of `attrs`, a string indicating
 * the `type` of the shortcode ('single', 'self-closing', or 'closed'), and a
 * `content` string.
 *
 * @param {Object} options Options as described.
 *
 * @return {WPShortcode} Shortcode instance.
 */

const shortcode = Object.assign(function (options) {
  const {
    tag,
    attrs: attributes,
    type,
    content
  } = options || {};
  Object.assign(this, {
    tag,
    type,
    content
  }); // Ensure we have a correctly formatted `attrs` object.

  this.attrs = {
    named: {},
    numeric: []
  };

  if (!attributes) {
    return;
  }

  const attributeTypes = ['named', 'numeric']; // Parse a string of attributes.

  if (typeof attributes === 'string') {
    this.attrs = attrs(attributes); // Identify a correctly formatted `attrs` object.
  } else if (attributes.length === attributeTypes.length && attributeTypes.every((t, key) => t === attributes[key])) {
    this.attrs = attributes; // Handle a flat object of attributes.
  } else {
    Object.entries(attributes).forEach(([key, value]) => {
      this.set(key, value);
    });
  }
}, {
  next,
  replace,
  string,
  regexp,
  attrs,
  fromMatch
});
Object.assign(shortcode.prototype, {
  /**
   * Get a shortcode attribute.
   *
   * Automatically detects whether `attr` is named or numeric and routes it
   * accordingly.
   *
   * @param {(number|string)} attr Attribute key.
   *
   * @return {string} Attribute value.
   */
  get(attr) {
    return this.attrs[typeof attr === 'number' ? 'numeric' : 'named'][attr];
  },

  /**
   * Set a shortcode attribute.
   *
   * Automatically detects whether `attr` is named or numeric and routes it
   * accordingly.
   *
   * @param {(number|string)} attr  Attribute key.
   * @param {string}          value Attribute value.
   *
   * @return {WPShortcode} Shortcode instance.
   */
  set(attr, value) {
    this.attrs[typeof attr === 'number' ? 'numeric' : 'named'][attr] = value;
    return this;
  },

  /**
   * Transform the shortcode into a string.
   *
   * @return {string} String representation of the shortcode.
   */
  string() {
    let text = '[' + this.tag;
    this.attrs.numeric.forEach(value => {
      if (/\s/.test(value)) {
        text += ' "' + value + '"';
      } else {
        text += ' ' + value;
      }
    });
    Object.entries(this.attrs.named).forEach(([name, value]) => {
      text += ' ' + name + '="' + value + '"';
    }); // If the tag is marked as `single` or `self-closing`, close the tag and
    // ignore any additional content.

    if ('single' === this.type) {
      return text + ']';
    } else if ('self-closing' === this.type) {
      return text + ' /]';
    } // Complete the opening tag.


    text += ']';

    if (this.content) {
      text += this.content;
    } // Add the closing tag.


    return text + '[/' + this.tag + ']';
  }

});
/* harmony default export */ var build_module = (shortcode);

(window.wp = window.wp || {}).shortcode = __webpack_exports__["default"];
/******/ })()
;