feat: inject

src/content_script.tsx

@@ -7,11 +7,6 @@ const head = document.head || document.documentElement
 head.insertBefore(script, head.children[0])
 head.removeChild(script)
 
-interface RequestArguments {
-  readonly method: string
-  readonly params?: readonly unknown[] | object
-}
-
 chrome.runtime.onMessage.addListener(function (msg, sender, sendResponse) {
   if (msg.color) {
     // console.log('Receive color = ' + msg.color)

src/inject.ts

@@ -1,6 +1,25 @@
+type EventName =
+  | 'connect'
+  | 'disconnect'
+  | 'chainChanged'
+  | 'accountsChanged'
+  | 'message'
+
+interface RequestArguments {
+  readonly method: string
+  readonly params?: readonly unknown[] | object
+}
+
 window.easy = {
   request: (args: RequestArguments) => {
     console.log(args.method)
     chrome.runtime.sendMessage(args)
+  },
+  on: (event: EventName, callback: Function) => {
+    chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+      if (message.event === event) {
+        callback(message)
+      }
+    })
   }
 }