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lens/src/extensions/ipc/ipc-renderer.ts
Sebastian Malton 81a35737fd
Fix spelling and grammar in Ipc docs (#2880)
Signed-off-by: Sebastian Malton <sebastian@malton.name>
2021-05-27 08:12:53 -04:00

66 lines
3.0 KiB
TypeScript

/**
* Copyright (c) 2021 OpenLens Authors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import { ipcRenderer } from "electron";
import { IpcPrefix, IpcRegistrar } from "./ipc-registrar";
import { Disposers } from "../lens-extension";
import type { LensRendererExtension } from "../lens-renderer-extension";
import type { Disposer } from "../../common/utils";
import { once } from "lodash";
export abstract class IpcRenderer extends IpcRegistrar {
constructor(extension: LensRendererExtension) {
super(extension);
extension[Disposers].push(() => IpcRenderer.resetInstance());
}
/**
* Listen for broadcasts within your extension.
* If the lifetime of the listener should be tied to the mounted lifetime of
* a component then putting the returned value in a `disposeOnUnmount` call will suffice.
* @param channel The channel to listen for broadcasts on
* @param listener The function that will be called with the arguments of the broadcast
* @returns An optional disposer, Lens will cleanup even if this is not called
*/
listen(channel: string, listener: (event: Electron.IpcRendererEvent, ...args: any[]) => any): Disposer {
const prefixedChannel = `extensions@${this[IpcPrefix]}:${channel}`;
const cleanup = once(() => ipcRenderer.removeListener(prefixedChannel, listener));
ipcRenderer.addListener(prefixedChannel, listener);
this.extension[Disposers].push(cleanup);
return cleanup;
}
/**
* Request main to execute its function over the `channel` channel.
* This function only interacts with functions registered via `Ipc.IpcMain.handleRpc`
* An error will be thrown if no function has been registered on `main` with this channel ID.
* @param channel The channel to invoke a RPC on
* @param args The arguments to pass to the RPC
* @returns A promise of the resulting value
*/
invoke(channel: string, ...args: any[]): Promise<any> {
const prefixedChannel = `extensions@${this[IpcPrefix]}:${channel}`;
return ipcRenderer.invoke(prefixedChannel, ...args);
}
}