initial commit

index.js

@@ -0,0 +1,16 @@
+const webExtension = require('sdk/webextension');
+
+function handleWebExtensionMessage(message, sender, sendReply) {
+  console.log(message);
+  if (message === 'message-from-webextension') {
+    sendReply({
+      content: 'reply-from-sdk'
+    });
+  }
+}
+
+webExtension.startup().then(api=> {
+  const {browser} = api;
+
+  browser.runtime.onMessage.addListener(handleWebExtensionMessage);
+});