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70 lines
2.9 KiB
70 lines
2.9 KiB
'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 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 $TypeError = TypeError; |
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var indexOf = uncurryThis(''.indexOf); |
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var replace = uncurryThis(''.replace); |
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var stringSlice = uncurryThis(''.slice); |
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var max = Math.max; |
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var stringIndexOf = function (string, searchValue, fromIndex) { |
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if (fromIndex > string.length) return -1; |
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if (searchValue === '') return fromIndex; |
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return indexOf(string, searchValue, fromIndex); |
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}; |
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// `String.prototype.replaceAll` method |
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// https://tc39.es/ecma262/#sec-string.prototype.replaceall |
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$({ 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(getRegExpFlags(searchValue))); |
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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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