84 lines
2.9 KiB
JavaScript
Executable File
84 lines
2.9 KiB
JavaScript
Executable File
#!/usr/bin/env node
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// *****************************************************************************
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// Copyright (C) 2017 TypeFox and others.
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0.
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//
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// This Source Code may also be made available under the following Secondary
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// Licenses when the conditions for such availability set forth in the Eclipse
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// Public License v. 2.0 are satisfied: GNU General Public License, version 2
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// with the GNU Classpath Exception which is available at
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// https://www.gnu.org/software/classpath/license.html.
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//
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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
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// *****************************************************************************
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// @ts-check
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const path = require('path');
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const cp = require('child_process');
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const extScriptsPck = require(path.resolve(__dirname, '../package.json'));
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/**
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* Lookup the requested ext:script to run, returns the full command line to execute.
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*/
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function getExtScript() {
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// process.argv is always like [0:node, 1:script, 2:...args]
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const args = process.argv.slice(2);
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if (!args[0]) {
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throw new Error('Please specify the script that runs with theiaext command.');
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}
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const scripts = extScriptsPck['theia-monorepo-scripts'];
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const script = 'ext:' + args[0];
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if (!(script in scripts)) {
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throw new Error('The ext script does not exist: ' + script);
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}
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return [scripts[script], ...args.slice(1, args.length)].join(' ');
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}
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/**
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* Essentially wraps `child_process.exec` into a promise.
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*
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* @param script Command line to run as a shell command.
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*/
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function run(script) {
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return new Promise((resolve, reject) => {
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const env = Object.assign({}, process.env);
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const scriptProcess = cp.exec(script, {
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cwd: process.cwd(),
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env,
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});
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scriptProcess.stdout.pipe(process.stdout);
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scriptProcess.stderr.pipe(process.stderr);
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scriptProcess.on('error', reject);
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scriptProcess.on('close', resolve);
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});
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}
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(async () => {
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/** @type {Error | number} */
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let exitCode = 0;
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let extScript = undefined;
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try {
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extScript = getExtScript();
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console.debug(`$ ${extScript}`);
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exitCode = await run(extScript);
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} catch (err) {
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if (extScript) {
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console.error(`Error occurred in theiaext when executing: ${extScript}\n`);
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} else {
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console.error('Error occurred in theiaext.');
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}
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console.error(err);
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exitCode = err;
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}
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if (typeof exitCode !== 'number') {
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exitCode = 1; // Error happened without the process starting.
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} else if (exitCode) {
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console.error(`Exit with failure status (${exitCode}): ${extScript}`);
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}
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process.exit(exitCode);
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})();
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