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- 'use strict';
- var $ = require('../internals/export');
- var global = require('../internals/global');
- var call = require('../internals/function-call');
- var uncurryThis = require('../internals/function-uncurry-this');
- var requireObjectCoercible = require('../internals/require-object-coercible');
- var isCallable = require('../internals/is-callable');
- var isRegExp = require('../internals/is-regexp');
- var toString = require('../internals/to-string');
- var getMethod = require('../internals/get-method');
- var regExpFlags = require('../internals/regexp-flags');
- var getSubstitution = require('../internals/get-substitution');
- var wellKnownSymbol = require('../internals/well-known-symbol');
- var IS_PURE = require('../internals/is-pure');
- var REPLACE = wellKnownSymbol('replace');
- var RegExpPrototype = RegExp.prototype;
- var TypeError = global.TypeError;
- var getFlags = uncurryThis(regExpFlags);
- var indexOf = uncurryThis(''.indexOf);
- var replace = uncurryThis(''.replace);
- var stringSlice = uncurryThis(''.slice);
- var max = Math.max;
- var stringIndexOf = function (string, searchValue, fromIndex) {
- if (fromIndex > string.length) return -1;
- if (searchValue === '') return fromIndex;
- return indexOf(string, searchValue, fromIndex);
- };
- // `String.prototype.replaceAll` method
- // https://tc39.es/ecma262/#sec-string.prototype.replaceall
- $({ target: 'String', proto: true }, {
- replaceAll: function replaceAll(searchValue, replaceValue) {
- var O = requireObjectCoercible(this);
- var IS_REG_EXP, flags, replacer, string, searchString, functionalReplace, searchLength, advanceBy, replacement;
- var position = 0;
- var endOfLastMatch = 0;
- var result = '';
- if (searchValue != null) {
- IS_REG_EXP = isRegExp(searchValue);
- if (IS_REG_EXP) {
- flags = toString(requireObjectCoercible('flags' in RegExpPrototype
- ? searchValue.flags
- : getFlags(searchValue)
- ));
- if (!~indexOf(flags, 'g')) throw TypeError('`.replaceAll` does not allow non-global regexes');
- }
- replacer = getMethod(searchValue, REPLACE);
- if (replacer) {
- return call(replacer, searchValue, O, replaceValue);
- } else if (IS_PURE && IS_REG_EXP) {
- return replace(toString(O), searchValue, replaceValue);
- }
- }
- string = toString(O);
- searchString = toString(searchValue);
- functionalReplace = isCallable(replaceValue);
- if (!functionalReplace) replaceValue = toString(replaceValue);
- searchLength = searchString.length;
- advanceBy = max(1, searchLength);
- position = stringIndexOf(string, searchString, 0);
- while (position !== -1) {
- replacement = functionalReplace
- ? toString(replaceValue(searchString, position, string))
- : getSubstitution(searchString, string, position, [], undefined, replaceValue);
- result += stringSlice(string, endOfLastMatch, position) + replacement;
- endOfLastMatch = position + searchLength;
- position = stringIndexOf(string, searchString, position + advanceBy);
- }
- if (endOfLastMatch < string.length) {
- result += stringSlice(string, endOfLastMatch);
- }
- return result;
- }
- });
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