Merge remote-tracking branch 'upstream/main'

2026-08-26 09:31:34 +08:00
parent 9b8c4bfab6
commit 394eb0285d
34137 changed files with 3589424 additions and 0 deletions
@@ -0,0 +1,9 @@
+'use strict';
+
+// TODO: semver-major: remove
+
+var canDistinguishSparseFromUndefined = 0 in [undefined]; // IE 6 - 8 have a bug where this returns false
+
+module.exports = function isStringOrHole(item, index, arr) {
+	return typeof item === 'string' || (canDistinguishSparseFromUndefined ? !(index in arr) : typeof item === 'undefined');
+};