hanzoai/core-js
2
0
Fork 0
mirror of https://github.com/hanzoai/core-js.git synced 2026-09-24 16:58:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

add detection of missed Webkit ~ Safari < 26.2 Iterator.prototype.flatMap bug case, close #1538

Browse Source
This commit is contained in:
Denis Pushkarev
2026-07-25 21:16:53 +03:00
parent f80ae13f92
commit 8cdc3c82bb
4 changed files with 14 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
packages/core-js/modules/es.iterator.flat-map.js
+6 -4
View File
@@ -15,10 +15,11 @@ var iteratorHelperWithoutClosingOnEarlyError = require('../internals/iterator-he
// https://bugs.webkit.org/show_bug.cgi?id=297532
function throwsOnIteratorWithoutReturn() {
try {
// eslint-disable-next-line es/no-map, es/no-iterator, es/no-iterator-prototype-flatmap -- required for testing
var it = Iterator.prototype.flatMap.call(new Map([[4, 5]]).entries(), function (v) { return v; });
it.next();
it['return']();
// eslint-disable-next-line es/no-array-prototype-values, es/no-iterator-prototype-flatmap, es/no-iterator-prototype-find -- testing
[1].values()
.flatMap(function () { return [1]; })
.find(function () { return true; });
return false;
} catch (error) {
return true;
}
@@ -26,6 +27,7 @@ function throwsOnIteratorWithoutReturn() {
var FLAT_MAP_WITHOUT_THROWING_ON_INVALID_ITERATOR = !IS_PURE
&& !iteratorHelperThrowsOnInvalidIterator('flatMap', function () { /* empty */ });
var flatMapWithoutClosingOnEarlyError = !IS_PURE && !FLAT_MAP_WITHOUT_THROWING_ON_INVALID_ITERATOR
&& iteratorHelperWithoutClosingOnEarlyError('flatMap', TypeError);