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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/builtin/WeakMap.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/builtin/WeakMap.js')
-rw-r--r--js/src/builtin/WeakMap.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/builtin/WeakMap.js b/js/src/builtin/WeakMap.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// ES2017 draft rev 0e10c9f29fca1385980c08a7d5e7bb3eb775e2e4
+// 23.3.1.1 WeakMap, steps 6-8
+function WeakMapConstructorInit(iterable) {
+ var map = this;
+
+ // Step 6.a.
+ var adder = map.set;
+
+ // Step 6.b.
+ if (!IsCallable(adder)) {
+ ThrowTypeError(JSMSG_NOT_FUNCTION, typeof adder);
+ }
+
+ // Steps 6.c-8.
+ for (var nextItem of allowContentIter(iterable)) {
+ // Step 8.d.
+ if (!IsObject(nextItem)) {
+ ThrowTypeError(JSMSG_INVALID_MAP_ITERABLE, "WeakMap");
+ }
+
+ // Steps 8.e-j.
+ callContentFunction(adder, map, nextItem[0], nextItem[1]);
+ }
+}