Added an example for contentScripts.register (#325)

* Added an example for contentScripts.register * Use messaging instead of getBackgroundPage
2026-04-22 01:02:54 +02:00 · 2018-01-26 13:11:06 -08:00
parent 5d20372527
commit 33d8fba6a8
8 changed files with 145 additions and 0 deletions
@@ -0,0 +1,22 @@
+'use strict';
+
+var registered = null;
+
+async function registerScript(message) {
+
+  let hosts = message.hosts;
+  let code = message.code;
+
+  if (registered) {
+    registered.unregister();
+  }
+
+  registered = await browser.contentScripts.register({
+    matches: hosts,
+    js: [{code}],
+    runAt: "document_idle"
+  });
+
+}
+
+browser.runtime.onMessage.addListener(registerScript);