90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
const constants = require('../constants');
|
|
const Events = require('./eventsWrapper');
|
|
|
|
// Set PWD to CWD since Windows doesn't have a value for PWD
|
|
if (!process.env.PWD) {
|
|
process.env.PWD = process.cwd();
|
|
}
|
|
|
|
class ProcessWrapper {
|
|
|
|
/**
|
|
* Class from which process extend. Should not be instantiated alone.
|
|
* Manages the log interception so that all console.* get sent back to the parent process
|
|
* Also creates an Events instance. To use it, just do `this.events.[on|request]`
|
|
*
|
|
* @param {Options} _options Nothing for now
|
|
*/
|
|
constructor(_options) {
|
|
this.interceptLogs();
|
|
this.events = new Events();
|
|
|
|
this.pingParent();
|
|
}
|
|
|
|
// Ping parent to see if it is still alive. Otherwise, let's die
|
|
pingParent() {
|
|
const self = this;
|
|
self.retries = 0;
|
|
function error() {
|
|
if (self.retries > 2) {
|
|
self.kill();
|
|
process.exit();
|
|
}
|
|
self.retries++;
|
|
}
|
|
setInterval(() => {
|
|
try {
|
|
let result = self.send({action: 'ping'});
|
|
if (!result) {
|
|
return error();
|
|
}
|
|
self.retries = 0;
|
|
} catch (e) {
|
|
error();
|
|
}
|
|
}, 2000);
|
|
}
|
|
|
|
interceptLogs() {
|
|
const context = {};
|
|
context.console = console;
|
|
|
|
context.console.log = this._log.bind(this, 'log');
|
|
context.console.warn = this._log.bind(this, 'warn');
|
|
context.console.error = this._log.bind(this, 'error');
|
|
context.console.info = this._log.bind(this, 'info');
|
|
context.console.debug = this._log.bind(this, 'debug');
|
|
context.console.trace = this._log.bind(this, 'trace');
|
|
context.console.dir = this._log.bind(this, 'dir');
|
|
}
|
|
|
|
_log(type, ...messages) {
|
|
const isHardSource = messages.some(message => {
|
|
return (typeof message === 'string' && message.indexOf('hard-source') > -1);
|
|
});
|
|
if (isHardSource) {
|
|
return;
|
|
}
|
|
this.send({result: constants.process.log, message: messages, type});
|
|
}
|
|
|
|
send() {
|
|
if (!process.connected) {
|
|
return false;
|
|
}
|
|
return process.send(...arguments);
|
|
}
|
|
|
|
kill() {
|
|
// Should be implemented by derived class
|
|
console.log('Process killed');
|
|
}
|
|
}
|
|
|
|
process.on('exit', () => {
|
|
process.exit(0);
|
|
});
|
|
|
|
module.exports = ProcessWrapper;
|