feat: 新增包文件

packages/electron-chrome-extensions/spec/fixtures/rpc/background.js

@@ -0,0 +1,72 @@
+/* global chrome */
+
+const sendIpc = ({ tabId, name }) => {
+  chrome.tabs.sendMessage(tabId, { type: 'send-ipc', args: [name] })
+}
+
+const transformArgs = (args, sender) => {
+  const tabId = sender.tab.id
+
+  const transformArg = (arg) => {
+    if (arg && typeof arg === 'object') {
+      // Convert object to function that sends IPC
+      if ('__IPC_FN__' in arg) {
+        return () => {
+          sendIpc({ tabId, name: arg.__IPC_FN__ })
+        }
+      } else {
+        // Deep transform objects
+        for (const key of Object.keys(arg)) {
+          if (arg.hasOwnProperty(key)) {
+            arg[key] = transformArg(arg[key])
+          }
+        }
+      }
+    }
+
+    return arg
+  }
+
+  return args.map(transformArg)
+}
+
+chrome.runtime.onMessage.addListener((message, sender, reply) => {
+  switch (message.type) {
+    case 'api': {
+      const { method, args } = message
+
+      const [apiName, subMethod] = method.split('.')
+
+      if (typeof chrome[apiName][subMethod] === 'function') {
+        const transformedArgs = transformArgs(args, sender)
+        chrome[apiName][subMethod](...transformedArgs, reply)
+      }
+
+      break
+    }
+
+    case 'event-once': {
+      const { name } = message
+
+      const [apiName, eventName] = name.split('.')
+
+      if (typeof chrome[apiName][eventName] === 'object') {
+        const event = chrome[apiName][eventName]
+        event.addListener(function callback(...args) {
+          if (chrome.runtime.lastError) {
+            reply(chrome.runtime.lastError)
+          } else {
+            reply(args)
+          }
+
+          event.removeListener(callback)
+        })
+      }
+    }
+  }
+
+  // Respond asynchronously
+  return true
+})
+
+console.log('background-script-evaluated')