feat: 新增包文件

packages/electron-chrome-extensions/spec/fixtures/crx-test-preload.ts

@@ -0,0 +1,23 @@
+import { contextBridge, ipcRenderer } from 'electron'
+import { injectBrowserAction } from '../../src/browser-action'
+
+// This should go without saying, but you should never do this in a production
+// app. These bindings are purely for testing convenience.
+const apiName = 'electronTest'
+const api = {
+  sendIpc(channel: string, ...args: any[]) {
+    return ipcRenderer.send(channel, ...args)
+  },
+  invokeIpc(channel: string, ...args: any[]) {
+    return ipcRenderer.invoke(channel, ...args)
+  },
+}
+
+try {
+  contextBridge.exposeInMainWorld(apiName, api)
+} catch {
+  window[apiName] = api
+}
+
+// Inject in all test pages.
+injectBrowserAction()