'use strict';
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var apply = require('../internals/function-apply');
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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 fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
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var fails = require('../internals/fails');
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var anObject = require('../internals/an-object');
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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 toIntegerOrInfinity = require('../internals/to-integer-or-infinity');
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var toLength = require('../internals/to-length');
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var toString = require('../internals/to-string');
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var requireObjectCoercible = require('../internals/require-object-coercible');
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var advanceStringIndex = require('../internals/advance-string-index');
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var getMethod = require('../internals/get-method');
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var getSubstitution = require('../internals/get-substitution');
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var regExpExec = require('../internals/regexp-exec-abstract');
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var wellKnownSymbol = require('../internals/well-known-symbol');
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var REPLACE = wellKnownSymbol('replace');
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var max = Math.max;
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var min = Math.min;
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var concat = uncurryThis([].concat);
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var push = uncurryThis([].push);
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var stringIndexOf = uncurryThis(''.indexOf);
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var stringSlice = uncurryThis(''.slice);
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var maybeToString = function (it) {
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return it === undefined ? it : String(it);
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};
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// IE <= 11 replaces $0 with the whole match, as if it was $&
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// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
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var REPLACE_KEEPS_$0 = (function () {
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// eslint-disable-next-line regexp/prefer-escape-replacement-dollar-char -- required for testing
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return 'a'.replace(/./, '$0') === '$0';
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})();
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// Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
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var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
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if (/./[REPLACE]) {
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return /./[REPLACE]('a', '$0') === '';
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}
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return false;
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})();
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var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
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var re = /./;
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re.exec = function () {
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var result = [];
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result.groups = { a: '7' };
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return result;
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};
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// eslint-disable-next-line regexp/no-useless-dollar-replacements -- false positive
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return ''.replace(re, '$<a>') !== '7';
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});
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// @@replace logic
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fixRegExpWellKnownSymbolLogic('replace', function (_, nativeReplace, maybeCallNative) {
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var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';
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return [
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// `String.prototype.replace` method
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// https://tc39.es/ecma262/#sec-string.prototype.replace
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function replace(searchValue, replaceValue) {
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var O = requireObjectCoercible(this);
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var replacer = isNullOrUndefined(searchValue) ? undefined : getMethod(searchValue, REPLACE);
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return replacer
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? call(replacer, searchValue, O, replaceValue)
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: call(nativeReplace, toString(O), searchValue, replaceValue);
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},
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// `RegExp.prototype[@@replace]` method
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// https://tc39.es/ecma262/#sec-regexp.prototype-@@replace
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function (string, replaceValue) {
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var rx = anObject(this);
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var S = toString(string);
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if (
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typeof replaceValue == 'string' &&
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stringIndexOf(replaceValue, UNSAFE_SUBSTITUTE) === -1 &&
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stringIndexOf(replaceValue, '$<') === -1
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) {
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var res = maybeCallNative(nativeReplace, rx, S, replaceValue);
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if (res.done) return res.value;
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}
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var functionalReplace = isCallable(replaceValue);
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if (!functionalReplace) replaceValue = toString(replaceValue);
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var global = rx.global;
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var fullUnicode;
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if (global) {
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fullUnicode = rx.unicode;
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rx.lastIndex = 0;
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}
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var results = [];
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var result;
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while (true) {
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result = regExpExec(rx, S);
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if (result === null) break;
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push(results, result);
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if (!global) break;
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var matchStr = toString(result[0]);
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if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
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}
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var accumulatedResult = '';
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var nextSourcePosition = 0;
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for (var i = 0; i < results.length; i++) {
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result = results[i];
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var matched = toString(result[0]);
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var position = max(min(toIntegerOrInfinity(result.index), S.length), 0);
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var captures = [];
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var replacement;
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// NOTE: This is equivalent to
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// captures = result.slice(1).map(maybeToString)
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// but for some reason `nativeSlice.call(result, 1, result.length)` (called in
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// the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
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// causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
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for (var j = 1; j < result.length; j++) push(captures, maybeToString(result[j]));
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var namedCaptures = result.groups;
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if (functionalReplace) {
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var replacerArgs = concat([matched], captures, position, S);
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if (namedCaptures !== undefined) push(replacerArgs, namedCaptures);
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replacement = toString(apply(replaceValue, undefined, replacerArgs));
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} else {
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replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
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}
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if (position >= nextSourcePosition) {
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accumulatedResult += stringSlice(S, nextSourcePosition, position) + replacement;
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nextSourcePosition = position + matched.length;
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}
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}
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return accumulatedResult + stringSlice(S, nextSourcePosition);
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}
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];
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}, !REPLACE_SUPPORTS_NAMED_GROUPS || !REPLACE_KEEPS_$0 || REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE);
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