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index.ts
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index.ts
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import { ipcRenderer, webFrame, contextBridge } from 'electron'
import { ElectronAPI } from './types'
export type { ElectronAPI, IpcRenderer, IpcRendererListener, WebFrame, NodeProcess } from './types'
export const electronAPI: ElectronAPI = {
ipcRenderer: {
send(channel, ...args) {
ipcRenderer.send(channel, ...args)
},
sendTo(webContentsId, channel, ...args) {
ipcRenderer.sendTo(webContentsId, channel, ...args)
},
sendSync(channel, ...args) {
return ipcRenderer.sendSync(channel, ...args)
},
sendToHost(channel, ...args) {
ipcRenderer.sendToHost(channel, ...args)
},
postMessage(channel, message, transfer) {
if (!process.contextIsolated) {
ipcRenderer.postMessage(channel, message, transfer)
}
},
invoke(channel, ...args) {
return ipcRenderer.invoke(channel, ...args)
},
on(channel, listener) {
ipcRenderer.on(channel, listener)
return () => {
ipcRenderer.removeListener(channel, listener)
}
},
once(channel, listener) {
ipcRenderer.once(channel, listener)
},
removeListener(channel, listener) {
ipcRenderer.removeListener(channel, listener)
return this
},
removeAllListeners(channel) {
ipcRenderer.removeAllListeners(channel)
}
},
webFrame: {
insertCSS(css) {
return webFrame.insertCSS(css)
},
setZoomFactor(factor) {
if (typeof factor === 'number' && factor > 0) {
webFrame.setZoomFactor(factor)
}
},
setZoomLevel(level) {
if (typeof level === 'number') {
webFrame.setZoomLevel(level)
}
}
},
process: {
get platform() {
return process.platform
},
get versions() {
return process.versions
},
get env() {
return { ...process.env }
}
}
}
/**
* Expose Electron APIs from your preload script, the API
* will be accessible from the website on `window.electron`.
*/
export function exposeElectronAPI(): void {
if (process.contextIsolated) {
try {
contextBridge.exposeInMainWorld('electron', electronAPI)
} catch (error) {
console.error(error)
}
} else {
// @ts-ignore (need dts)
window.electron = electronAPI
}
}