@rushstack/lockfile-explorer
Version:
Rush Lockfile Explorer: The UI for solving version conflicts quickly in a large monorepo
123 lines • 4.89 kB
JavaScript
;
// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See LICENSE in the project root for license information.
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.PnpmfileRunner = void 0;
const node_worker_threads_1 = require("node:worker_threads");
const path = __importStar(require("node:path"));
/**
* Evals `.pnpmfile.cjs` in an isolated thread, so `transformPackageAsync()` can be used to rewrite
* package.json files. Calling `disposeAsync()` will free the loaded modules.
*/
class PnpmfileRunner {
constructor(pnpmfilePath) {
this._nextId = 1000;
this._promisesById = new Map();
this._disposed = false;
this.logger = undefined;
this._worker = new node_worker_threads_1.Worker(path.join(`${__dirname}/pnpmfileRunnerWorkerThread.js`), {
workerData: { pnpmfilePath }
});
this._worker.on('message', (message) => {
const id = message.id;
const promise = this._promisesById.get(id);
if (!promise) {
return;
}
if (message.kind === 'return') {
this._promisesById.delete(id);
// TODO: Validate the user's readPackage() return value
const result = message.result;
promise.resolve(result);
}
else if (message.kind === 'log') {
// No this._promisesById.delete(id) for this case
if (this.logger) {
this.logger(message.log);
}
else {
console.log('.pnpmfile.cjs: ' + message.log);
}
}
else {
this._promisesById.delete(id);
promise.reject(new Error(message.error || 'An unknown error occurred'));
}
});
this._worker.on('error', (err) => {
for (const promise of this._promisesById.values()) {
promise.reject(err);
}
this._promisesById.clear();
});
this._worker.on('exit', (code) => {
if (!this._disposed) {
const error = new Error(`PnpmfileRunner worker thread terminated unexpectedly with exit code ${code}`);
console.error(error);
for (const promise of this._promisesById.values()) {
promise.reject(error);
}
this._promisesById.clear();
}
});
}
/**
* Invokes the readPackage() hook from .pnpmfile.cjs
*/
transformPackageAsync(packageJson, packageJsonFullPath) {
if (this._disposed) {
return Promise.reject(new Error('The operation failed because PnpmfileRunner has been disposed'));
}
const id = this._nextId++;
return new Promise((resolve, reject) => {
this._promisesById.set(id, { resolve, reject });
this._worker.postMessage({ id, packageJson, packageJsonFullPath });
});
}
async disposeAsync() {
if (this._disposed) {
return;
}
for (const pending of this._promisesById.values()) {
pending.reject(new Error('Aborted because PnpmfileRunner was disposed'));
}
this._promisesById.clear();
this._disposed = true;
await this._worker.terminate();
}
}
exports.PnpmfileRunner = PnpmfileRunner;
//# sourceMappingURL=PnpmfileRunner.js.map