first commit

2023-07-12 16:31:19 +01:00
commit 3424b1927b
23306 changed files with 2217776 additions and 0 deletions
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+'use strict';
+
+module.exports = function () {
+	var weakMap, x;
+	if (typeof WeakMap !== 'function') return false;
+	try {
+		// WebKit doesn't support arguments and crashes
+		weakMap = new WeakMap([[x = {}, 'one'], [{}, 'two'], [{}, 'three']]);
+	} catch (e) {
+		return false;
+	}
+	if (String(weakMap) !== '[object WeakMap]') return false;
+	if (typeof weakMap.set !== 'function') return false;
+	if (weakMap.set({}, 1) !== weakMap) return false;
+	if (typeof weakMap.delete !== 'function') return false;
+	if (typeof weakMap.has !== 'function') return false;
+	if (weakMap.get(x) !== 'one') return false;
+
+	return true;
+};