@stormking/emere/dist/src/main.js

a nightmarejs replacement for scraping websites using electron.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = run;
const node_child_process_1 = require("node:child_process");
const message_1 = require("./message");
const defaultElectron = require('electron');
async function run(runScript) {
    // console.log('run emere', runScript);
    const proc = (0, node_child_process_1.spawn)(defaultElectron, [__dirname + '/runner.js'], {
        // cwd: 'node_modules/electron/',
        stdio: [null, 'inherit', 'inherit', 'ipc'],
        // env: process.env
    });
    const cleanup = () => {
        if (!proc.killed) {
            proc.kill('SIGTERM');
        }
    };
    let resolve, reject;
    let p = new Promise((res, rej) => {
        resolve = res;
        reject = rej;
    });
    const host = (0, message_1.init)(proc);
    host.on('request', (msg, cb) => {
        if (msg.action === 'getCommands') {
            cb(null, runScript);
        }
        else if (msg.action === 'returnData') {
            if (msg.params.data) {
                resolve(Buffer.from(msg.params.data));
            }
            else {
                reject(new Error(msg.params.error || 'unknown error'));
            }
            cb(null, true);
            cleanup();
        }
    });
    proc.on('close', () => {
        reject(new Error('electron closed without response'));
    });
    const timeout = runScript.timeout || 10000;
    setTimeout(() => {
        cleanup();
    }, timeout);
    return p;
}