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Mini Shell
Mini Shell
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _jestWorker = require("next/dist/compiled/jest-worker");
const RESTARTED = Symbol("restarted");
class Worker {
constructor(workerPath, options){
let { timeout , onRestart , ...farmOptions } = options;
let restartPromise;
let resolveRestartPromise;
let activeTasks = 0;
this._worker = undefined;
const createWorker = ()=>{
this._worker = new _jestWorker.Worker(workerPath, farmOptions);
restartPromise = new Promise((resolve)=>resolveRestartPromise = resolve);
this._worker.getStdout().pipe(process.stdout);
this._worker.getStderr().pipe(process.stderr);
};
createWorker();
const onHanging = ()=>{
const worker = this._worker;
if (!worker) return;
const resolve = resolveRestartPromise;
createWorker();
worker.end().then(()=>{
resolve(RESTARTED);
});
};
let hangingTimer = false;
const onActivity = ()=>{
if (hangingTimer) clearTimeout(hangingTimer);
hangingTimer = activeTasks > 0 && setTimeout(onHanging, timeout);
};
for (const method of farmOptions.exposedMethods){
if (method.startsWith("_")) continue;
this[method] = timeout ? async (...args)=>{
activeTasks++;
try {
let attempts = 0;
for(;;){
onActivity();
const result = await Promise.race([
this._worker[method](...args),
restartPromise,
]);
if (result !== RESTARTED) return result;
if (onRestart) onRestart(method, args, ++attempts);
}
} finally{
activeTasks--;
onActivity();
}
} : this._worker[method].bind(this._worker);
}
}
end() {
const worker = this._worker;
if (!worker) {
throw new Error("Farm is ended, no more calls can be done to it");
}
this._worker = undefined;
return worker.end();
}
/**
* Quietly end the worker if it exists
*/ close() {
if (this._worker) {
this._worker.end();
}
}
}
exports.Worker = Worker;
//# sourceMappingURL=worker.js.map
Zerion Mini Shell 1.0