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Viewing / Editing File: escape-html.js

/******/ (() => { // webpackBootstrap
/******/ 	"use strict";
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/******/ 	var __webpack_require__ = {};
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/************************************************************************/
/******/ 	/* webpack/runtime/define property getters */
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/************************************************************************/
var __webpack_exports__ = {};
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  escapeAmpersand: () => (/* binding */ escapeAmpersand),
  escapeAttribute: () => (/* binding */ escapeAttribute),
  escapeEditableHTML: () => (/* binding */ escapeEditableHTML),
  escapeHTML: () => (/* binding */ escapeHTML),
  escapeLessThan: () => (/* binding */ escapeLessThan),
  escapeQuotationMark: () => (/* binding */ escapeQuotationMark),
  isValidAttributeName: () => (/* binding */ isValidAttributeName)
});

;// ./node_modules/@wordpress/escape-html/build-module/escape-greater.js
/**
 * Returns a string with greater-than sign replaced.
 *
 * Note that if a resolution for Trac#45387 comes to fruition, it is no longer
 * necessary for `__unstableEscapeGreaterThan` to exist.
 *
 * See: https://core.trac.wordpress.org/ticket/45387
 *
 * @param value Original string.
 *
 * @return Escaped string.
 */
function __unstableEscapeGreaterThan(value) {
  return value.replace(/>/g, '&gt;');
}

;// ./node_modules/@wordpress/escape-html/build-module/index.js
/**
 * Internal dependencies
 */

/**
 * Regular expression matching invalid attribute names.
 *
 * "Attribute names must consist of one or more characters other than controls,
 * U+0020 SPACE, U+0022 ("), U+0027 ('), U+003E (>), U+002F (/), U+003D (=),
 * and noncharacters."
 *
 * @see https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
 */
const REGEXP_INVALID_ATTRIBUTE_NAME = /[\u007F-\u009F "'>/="\uFDD0-\uFDEF]/;

/**
 * Returns a string with ampersands escaped. Note that this is an imperfect
 * implementation, where only ampersands which do not appear as a pattern of
 * named, decimal, or hexadecimal character references are escaped. Invalid
 * named references (i.e. ambiguous ampersand) are still permitted.
 *
 * @see https://w3c.github.io/html/syntax.html#character-references
 * @see https://w3c.github.io/html/syntax.html#ambiguous-ampersand
 * @see https://w3c.github.io/html/syntax.html#named-character-references
 *
 * @param value Original string.
 *
 * @return Escaped string.
 */
function escapeAmpersand(value) {
  return value.replace(/&(?!([a-z0-9]+|#[0-9]+|#x[a-f0-9]+);)/gi, '&amp;');
}

/**
 * Returns a string with quotation marks replaced.
 *
 * @param value Original string.
 *
 * @return Escaped string.
 */
function escapeQuotationMark(value) {
  return value.replace(/"/g, '&quot;');
}

/**
 * Returns a string with less-than sign replaced.
 *
 * @param value Original string.
 *
 * @return Escaped string.
 */
function escapeLessThan(value) {
  return value.replace(/</g, '&lt;');
}

/**
 * Returns an escaped attribute value.
 *
 * @see https://w3c.github.io/html/syntax.html#elements-attributes
 *
 * "[...] the text cannot contain an ambiguous ampersand [...] must not contain
 * any literal U+0022 QUOTATION MARK characters (")"
 *
 * Note we also escape the greater than symbol, as this is used by wptexturize to
 * split HTML strings. This is a WordPress specific fix
 *
 * Note that if a resolution for Trac#45387 comes to fruition, it is no longer
 * necessary for `__unstableEscapeGreaterThan` to be used.
 *
 * See: https://core.trac.wordpress.org/ticket/45387
 *
 * @param value Attribute value.
 *
 * @return Escaped attribute value.
 */
function escapeAttribute(value) {
  return __unstableEscapeGreaterThan(escapeQuotationMark(escapeAmpersand(value)));
}

/**
 * Returns an escaped HTML element value.
 *
 * @see https://w3c.github.io/html/syntax.html#writing-html-documents-elements
 *
 * "the text must not contain the character U+003C LESS-THAN SIGN (<) or an
 * ambiguous ampersand."
 *
 * @param value Element value.
 *
 * @return Escaped HTML element value.
 */
function escapeHTML(value) {
  return escapeLessThan(escapeAmpersand(value));
}

/**
 * Returns an escaped Editable HTML element value. This is different from
 * `escapeHTML`, because for editable HTML, ALL ampersands must be escaped in
 * order to render the content correctly on the page.
 *
 * @param value Element value.
 *
 * @return Escaped HTML element value.
 */
function escapeEditableHTML(value) {
  return escapeLessThan(value.replace(/&/g, '&amp;'));
}

/**
 * Returns true if the given attribute name is valid, or false otherwise.
 *
 * @param name Attribute name to test.
 *
 * @return Whether attribute is valid.
 */
function isValidAttributeName(name) {
  return !REGEXP_INVALID_ATTRIBUTE_NAME.test(name);
}

(window.wp = window.wp || {}).escapeHtml = __webpack_exports__;
/******/ })()
;

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