@wordpress/components/build/utils/strings.js

UI components for WordPress.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.escapeRegExp = escapeRegExp;
exports.kebabCase = kebabCase;
exports.normalizeTextString = void 0;
var _removeAccents = _interopRequireDefault(require("remove-accents"));
var _changeCase = require("change-case");
/**
 * External dependencies
 */

/**
 * All unicode characters that we consider "dash-like":
 * - `\u007e`: ~ (tilde)
 * - `\u00ad`: ­ (soft hyphen)
 * - `\u2053`: ⁓ (swung dash)
 * - `\u207b`: ⁻ (superscript minus)
 * - `\u208b`: ₋ (subscript minus)
 * - `\u2212`: − (minus sign)
 * - `\\p{Pd}`: any other Unicode dash character
 */
const ALL_UNICODE_DASH_CHARACTERS = new RegExp(/[\u007e\u00ad\u2053\u207b\u208b\u2212\p{Pd}]/gu);
const normalizeTextString = value => {
  return (0, _removeAccents.default)(value).normalize('NFKC').toLocaleLowerCase().replace(ALL_UNICODE_DASH_CHARACTERS, '-');
};

/**
 * Converts any string to kebab case.
 * Backwards compatible with Lodash's `_.kebabCase()`.
 * Backwards compatible with `_wp_to_kebab_case()`.
 *
 * @see https://lodash.com/docs/4.17.15#kebabCase
 * @see https://developer.wordpress.org/reference/functions/_wp_to_kebab_case/
 *
 * @param str String to convert.
 * @return Kebab-cased string
 */
exports.normalizeTextString = normalizeTextString;
function kebabCase(str) {
  var _str$toString;
  let input = (_str$toString = str?.toString?.()) !== null && _str$toString !== void 0 ? _str$toString : '';

  // See https://github.com/lodash/lodash/blob/b185fcee26b2133bd071f4aaca14b455c2ed1008/lodash.js#L4970
  input = input.replace(/['\u2019]/, '');
  return (0, _changeCase.paramCase)(input, {
    splitRegexp: [/(?!(?:1ST|2ND|3RD|[4-9]TH)(?![a-z]))([a-z0-9])([A-Z])/g,
    // fooBar => foo-bar, 3Bar => 3-bar
    /(?!(?:1st|2nd|3rd|[4-9]th)(?![a-z]))([0-9])([a-z])/g,
    // 3bar => 3-bar
    /([A-Za-z])([0-9])/g,
    // Foo3 => foo-3, foo3 => foo-3
    /([A-Z])([A-Z][a-z])/g // FOOBar => foo-bar
    ]
  });
}

/**
 * Escapes the RegExp special characters.
 *
 * @param string Input string.
 *
 * @return Regex-escaped string.
 */
function escapeRegExp(string) {
  return string.replace(/[\\^$.*+?()[\]{}|]/g, '\\$&');
}
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