lens/src/common/register-protocol.ts

// Register custom protocols

import { protocol } from "electron";
import path from "path";

export function registerFileProtocol(name: string, basePath: string) {
  protocol.registerFileProtocol(name, (request, callback) => {
    const filePath = request.url.replace(name + "://", "");
    const absPath = path.resolve(basePath, filePath);
    callback({ path: absPath });
  });
}