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62 lines
2.8 KiB
62 lines
2.8 KiB
4 weeks ago
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'use strict';
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var $ = require('../internals/export');
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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 isNullOrUndefined = require('../internals/is-null-or-undefined');
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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 getRegExpFlags = require('../internals/regexp-get-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 $TypeError = TypeError;
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var indexOf = uncurryThis(''.indexOf);
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var replace = uncurryThis(''.replace);
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var stringSlice = uncurryThis(''.slice);
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var max = Math.max;
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// `String.prototype.replaceAll` method
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// https://tc39.es/ecma262/#sec-string.prototype.replaceall
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$({ 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, position, replacement;
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var endOfLastMatch = 0;
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var result = '';
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if (!isNullOrUndefined(searchValue)) {
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IS_REG_EXP = isRegExp(searchValue);
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if (IS_REG_EXP) {
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flags = toString(requireObjectCoercible(getRegExpFlags(searchValue)));
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if (!~indexOf(flags, 'g')) throw new $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) return call(replacer, searchValue, O, replaceValue);
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if (IS_PURE && IS_REG_EXP) return replace(toString(O), searchValue, replaceValue);
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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 = indexOf(string, searchString);
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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 = position + advanceBy > string.length ? -1 : indexOf(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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