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// 预加载脚本:在 contextIsolation 隔离环境下,把主进程的更新能力通过 contextBridge
// 安全暴露给渲染进程(窗口里通过 window.electronAPI 调用)。
// 所有接口都走 ipcRenderer,不直接暴露 Node / Electron 内部对象。
const { contextBridge, ipcRenderer } = require('electron')
contextBridge.exposeInMainWorld('electronAPI', {
// 检查更新:对应主进程 app:check-updates
checkForUpdates: () => ipcRenderer.invoke('app:check-updates'),
// 下载更新:对应主进程 app:download-update
downloadUpdate: () => ipcRenderer.invoke('app:download-update'),
// 退出并安装更新:对应主进程 app:start-update
startUpdate: () => ipcRenderer.invoke('app:start-update'),
// 获取应用信息(版本号等):对应主进程 app:get-info
getAppInfo: () => ipcRenderer.invoke('app:get-info'),
// 订阅更新事件(checking/available/not-available/downloading/downloaded/error)
// 返回一个取消订阅函数,供 React 在卸载时清理
onUpdateEvent: (callback) => {
const listener = (_event, data) => callback(data)
ipcRenderer.on('update-event', listener)
return () => ipcRenderer.removeListener('update-event', listener)
},
// 调起系统文件夹选择器(添加项目时用):对应主进程 app:select-folder
// 返回选中的目录绝对路径字符串;用户取消则返回 null。
// 渲染端不要直接 require('electron').dialog —— contextIsolation 下拿不到,必须走桥。
selectFolder: () => ipcRenderer.invoke('app:select-folder')
})
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