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- 'use strict';
- var $ = require('../internals/export');
- var requireObjectCoercible = require('../internals/require-object-coercible');
- var isRegExp = require('../internals/is-regexp');
- var getRegExpFlags = require('../internals/regexp-flags');
- var wellKnownSymbol = require('../internals/well-known-symbol');
- var IS_PURE = require('../internals/is-pure');
- var REPLACE = wellKnownSymbol('replace');
- var RegExpPrototype = RegExp.prototype;
- // `String.prototype.replaceAll` method
- // https://github.com/tc39/proposal-string-replace-all
- $({ target: 'String', proto: true }, {
- replaceAll: function replaceAll(searchValue, replaceValue) {
- var O = requireObjectCoercible(this);
- var IS_REG_EXP, flags, replacer, string, searchString, template, result, position, index;
- if (searchValue != null) {
- IS_REG_EXP = isRegExp(searchValue);
- if (IS_REG_EXP) {
- flags = String(requireObjectCoercible('flags' in RegExpPrototype
- ? searchValue.flags
- : getRegExpFlags.call(searchValue)
- ));
- if (!~flags.indexOf('g')) throw TypeError('`.replaceAll` does not allow non-global regexes');
- }
- replacer = searchValue[REPLACE];
- if (replacer !== undefined) {
- return replacer.call(searchValue, O, replaceValue);
- } else if (IS_PURE && IS_REG_EXP) {
- return String(O).replace(searchValue, replaceValue);
- }
- }
- string = String(O);
- searchString = String(searchValue);
- if (searchString === '') return replaceAll.call(string, /(?:)/g, replaceValue);
- template = string.split(searchString);
- if (typeof replaceValue !== 'function') {
- return template.join(String(replaceValue));
- }
- result = template[0];
- position = result.length;
- for (index = 1; index < template.length; index++) {
- result += String(replaceValue(searchString, position, string));
- position += searchString.length + template[index].length;
- result += template[index];
- }
- return result;
- }
- });
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