//@ts-nocheck
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export class Client {
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isClient() {
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return !!window.bridge?.electron
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}
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/**
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* 调用客户端主进程
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*
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* @example
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* // 最小化
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* invoke(function({ electron }, a, b){
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* const { BrowserWindow } = electron
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* BrowserWindow.getFocusedWindow()?.minimize()
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* }, 'a', 'b')
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*
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* @param fn 上下文独立，不可引用外部变量
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* @returns
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*/
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async invoke(
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...args: Parameters<NonNullable<typeof window.bridge>['invoke']>
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) {
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if (!window.bridge) {
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throw new Error('!bridge')
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}
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return await window.bridge.invoke(...args)
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}
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}
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export class Download {
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/**
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* 下载文件
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* @param data
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* @param name
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* @param mediaType
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*/
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file(data: any, name: string, mediaType?: string) {
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const client = new Client()
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// 客戶端默认保存类型错误，重新设置
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if (client.isClient()) {
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let arr = name.split('.')
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let fileType = arr[arr.length - 1]
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client.invoke(({ electron }, fileType) => {
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const { BrowserWindow, downloadItem } = electron
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const win = BrowserWindow.getFocusedWindow()
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win.webContents.session.on(
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'will-download',
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(event: Event, item: typeof downloadItem) => {
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item.setSaveDialogOptions({
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filters: [{ name: `${fileType} File`, extensions: [fileType] }],
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})
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//...
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}
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)
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}, fileType)
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}
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const blob = new Blob([data], { type: mediaType })
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// 创建下载链接
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const downloadHref = URL.createObjectURL(blob)
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// 创建a标签并为其添加属性
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const downloadLink = document.createElement('a')
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downloadLink.href = downloadHref
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downloadLink.download = name
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// 触发点击事件执行下载
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downloadLink.click()
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URL.revokeObjectURL(downloadHref)
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}
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}
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