/******/ 		};

/************************************************************************/

// ESM COMPAT FLAG

__webpack_require__.r(__webpack_exports__);

// EXPORTS

/**

 * 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 {string} value Original string.

 *

 * @return {string} Escaped string.

 */

function __unstableEscapeGreaterThan(value) {

  return value.replace(/>/g, '>');

}

/**

 * 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

 *

 * @type {RegExp}

 */

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 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 {string} value Original string.

 *

 * @return {string} Escaped string.

 */

function escapeAmpersand(value) {

  return value.replace(/&(?!([a-z0-9]+|#[0-9]+|#x[a-f0-9]+);)/gi, '&');

}

/**

 * Returns a string with quotation marks replaced.

 *

 * @param {string} value Original string.

 *

 * @return {string} Escaped string.

 */

function escapeQuotationMark(value) {

  return value.replace(/"/g, '"');

}

/**

 * Returns a string with less-than sign replaced.

 *

 * @param {string} value Original string.

 *

 * @return {string} 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 {string} value Attribute value.

 *

 * @return {string} 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 {string} value Element value.

 *

 * @return {string} 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 {string} value Element value.

 *

 * @return {string} Escaped HTML element value.

 */

function escapeEditableHTML(value) {

  return escapeLessThan(value.replace(/&/g, '&'));

}

/**

 * Returns true if the given attribute name is valid, or false otherwise.

 *

 * @param {string} name Attribute name to test.

 *

 * @return {boolean} Whether attribute is valid.

 */

function isValidAttributeName(name) {

  return !REGEXP_INVALID_ATTRIBUTE_NAME.test(name);

}