Kargi-Sitesi/node_modules/core-js/modules/es.string.split.js

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2024-11-04 02:30:09 +00:00
'use strict';
var call = require('../internals/function-call');
var uncurryThis = require('../internals/function-uncurry-this');
var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
var anObject = require('../internals/an-object');
var isNullOrUndefined = require('../internals/is-null-or-undefined');
var requireObjectCoercible = require('../internals/require-object-coercible');
var speciesConstructor = require('../internals/species-constructor');
var advanceStringIndex = require('../internals/advance-string-index');
var toLength = require('../internals/to-length');
var toString = require('../internals/to-string');
var getMethod = require('../internals/get-method');
var regExpExec = require('../internals/regexp-exec-abstract');
var stickyHelpers = require('../internals/regexp-sticky-helpers');
var fails = require('../internals/fails');
var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y;
var MAX_UINT32 = 0xFFFFFFFF;
var min = Math.min;
var push = uncurryThis([].push);
var stringSlice = uncurryThis(''.slice);
// Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
// Weex JS has frozen built-in prototypes, so use try / catch wrapper
var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
// eslint-disable-next-line regexp/no-empty-group -- required for testing
var re = /(?:)/;
var originalExec = re.exec;
re.exec = function () { return originalExec.apply(this, arguments); };
var result = 'ab'.split(re);
return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
});
var BUGGY = 'abbc'.split(/(b)*/)[1] === 'c' ||
// eslint-disable-next-line regexp/no-empty-group -- required for testing
'test'.split(/(?:)/, -1).length !== 4 ||
'ab'.split(/(?:ab)*/).length !== 2 ||
'.'.split(/(.?)(.?)/).length !== 4 ||
// eslint-disable-next-line regexp/no-empty-capturing-group, regexp/no-empty-group -- required for testing
'.'.split(/()()/).length > 1 ||
''.split(/.?/).length;
// @@split logic
fixRegExpWellKnownSymbolLogic('split', function (SPLIT, nativeSplit, maybeCallNative) {
var internalSplit = '0'.split(undefined, 0).length ? function (separator, limit) {
return separator === undefined && limit === 0 ? [] : call(nativeSplit, this, separator, limit);
} : nativeSplit;
return [
// `String.prototype.split` method
// https://tc39.es/ecma262/#sec-string.prototype.split
function split(separator, limit) {
var O = requireObjectCoercible(this);
var splitter = isNullOrUndefined(separator) ? undefined : getMethod(separator, SPLIT);
return splitter
? call(splitter, separator, O, limit)
: call(internalSplit, toString(O), separator, limit);
},
// `RegExp.prototype[@@split]` method
// https://tc39.es/ecma262/#sec-regexp.prototype-@@split
//
// NOTE: This cannot be properly polyfilled in engines that don't support
// the 'y' flag.
function (string, limit) {
var rx = anObject(this);
var S = toString(string);
if (!BUGGY) {
var res = maybeCallNative(internalSplit, rx, S, limit, internalSplit !== nativeSplit);
if (res.done) return res.value;
}
var C = speciesConstructor(rx, RegExp);
var unicodeMatching = rx.unicode;
var flags = (rx.ignoreCase ? 'i' : '') +
(rx.multiline ? 'm' : '') +
(rx.unicode ? 'u' : '') +
(UNSUPPORTED_Y ? 'g' : 'y');
// ^(? + rx + ) is needed, in combination with some S slicing, to
// simulate the 'y' flag.
var splitter = new C(UNSUPPORTED_Y ? '^(?:' + rx.source + ')' : rx, flags);
var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
if (lim === 0) return [];
if (S.length === 0) return regExpExec(splitter, S) === null ? [S] : [];
var p = 0;
var q = 0;
var A = [];
while (q < S.length) {
splitter.lastIndex = UNSUPPORTED_Y ? 0 : q;
var z = regExpExec(splitter, UNSUPPORTED_Y ? stringSlice(S, q) : S);
var e;
if (
z === null ||
(e = min(toLength(splitter.lastIndex + (UNSUPPORTED_Y ? q : 0)), S.length)) === p
) {
q = advanceStringIndex(S, q, unicodeMatching);
} else {
push(A, stringSlice(S, p, q));
if (A.length === lim) return A;
for (var i = 1; i <= z.length - 1; i++) {
push(A, z[i]);
if (A.length === lim) return A;
}
q = p = e;
}
}
push(A, stringSlice(S, p));
return A;
}
];
}, BUGGY || !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC, UNSUPPORTED_Y);