electron/lib/browser/ipc-main-internal-utils.ts

43 lines
1.4 KiB
TypeScript

import { ipcMainInternal } from '@electron/internal/browser/ipc-main-internal'
import * as errorUtils from '@electron/internal/common/error-utils'
type IPCHandler = (event: ElectronInternal.IpcMainInternalEvent, ...args: any[]) => any
const callHandler = async function (handler: IPCHandler, event: ElectronInternal.IpcMainInternalEvent, args: any[], reply: (args: any[]) => void) {
try {
const result = await handler(event, ...args)
reply([null, result])
} catch (error) {
reply([errorUtils.serialize(error)])
}
}
export const handle = function <T extends IPCHandler> (channel: string, handler: T) {
ipcMainInternal.on(channel, (event, requestId, ...args) => {
callHandler(handler, event, args, responseArgs => {
if (requestId) {
event._replyInternal(`${channel}_RESPONSE_${requestId}`, ...responseArgs)
} else {
event.returnValue = responseArgs
}
})
})
}
let nextId = 0
export function invokeInWebContents<T> (sender: Electron.WebContentsInternal, command: string, ...args: any[]) {
return new Promise<T>((resolve, reject) => {
const requestId = ++nextId
ipcMainInternal.once(`${command}_RESPONSE_${requestId}`, (
_event, error: Electron.SerializedError, result: any
) => {
if (error) {
reject(errorUtils.deserialize(error))
} else {
resolve(result)
}
})
sender._sendInternal(command, requestId, ...args)
})
}