source: trip-planner-front/node_modules/@angular/compiler-cli/ngcc/src/locking/lock_file_with_child_process/unlocker.js@ 6a3a178

(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/compiler-cli/ngcc/src/locking/lock_file_with_child_process/unlocker", ["require", "exports", "@angular/compiler-cli/src/ngtsc/file_system", "@angular/compiler-cli/src/ngtsc/logging", "@angular/compiler-cli/ngcc/src/locking/lock_file_with_child_process/util"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    var file_system_1 = require("@angular/compiler-cli/src/ngtsc/file_system");
    var logging_1 = require("@angular/compiler-cli/src/ngtsc/logging");
    var util_1 = require("@angular/compiler-cli/ngcc/src/locking/lock_file_with_child_process/util");
    /// <reference types="node" />
    // This file is an entry-point for the child-process that is started by `LockFileWithChildProcess`
    // to ensure that the lock-file is removed when the primary process exits unexpectedly.
    // We have no choice but to use the node.js file-system here since we are in a separate process
    // from the main ngcc run, which may be running a mock file-system from within a test.
    var fs = new file_system_1.NodeJSFileSystem();
    // We create a logger that has the same logging level as the parent process, since it should have
    // been passed through as one of the args
    var logLevel = parseInt(process.argv.pop(), 10);
    var logger = new logging_1.ConsoleLogger(logLevel);
    // We must store the parent PID now as it changes if the parent process is killed early
    var ppid = process.ppid.toString();
    // The path to the lock-file to remove should have been passed as one of the args
    var lockFilePath = fs.resolve(process.argv.pop());
    logger.debug("Starting unlocker at process " + process.pid + " on behalf of process " + ppid);
    logger.debug("The lock-file path is " + lockFilePath);
    /**
     * When the parent process exits (for whatever reason) remove the loc-file if it exists and as long
     * as it was one that was created by the parent process.
     */
    process.on('disconnect', function () {
        util_1.removeLockFile(fs, logger, lockFilePath, ppid);
    });
});
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