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