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-rw-r--r--docshell/test/unit/AllowJavascriptParent.sys.mjs28
1 files changed, 28 insertions, 0 deletions
diff --git a/docshell/test/unit/AllowJavascriptParent.sys.mjs b/docshell/test/unit/AllowJavascriptParent.sys.mjs
new file mode 100644
index 0000000000..5631fcdb09
--- /dev/null
+++ b/docshell/test/unit/AllowJavascriptParent.sys.mjs
@@ -0,0 +1,28 @@
+let loadPromises = new WeakMap();
+
+export class AllowJavascriptParent extends JSWindowActorParent {
+ async receiveMessage(msg) {
+ switch (msg.name) {
+ case "LoadFired":
+ let bc = this.browsingContext;
+ let deferred = loadPromises.get(bc);
+ if (deferred) {
+ loadPromises.delete(bc);
+ deferred.resolve(this);
+ }
+ break;
+ }
+ }
+
+ static promiseLoad(bc) {
+ let deferred = loadPromises.get(bc);
+ if (!deferred) {
+ deferred = {};
+ deferred.promise = new Promise(resolve => {
+ deferred.resolve = resolve;
+ });
+ loadPromises.set(bc, deferred);
+ }
+ return deferred.promise;
+ }
+}