code-server-2/lib/vscode/build/dependencies.js

75 lines
2.2 KiB
JavaScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
const path = require('path');
const parseSemver = require('parse-semver');
const cp = require('child_process');
const _ = require('underscore');
function asYarnDependency(prefix, tree) {
let parseResult;
try {
parseResult = parseSemver(tree.name);
} catch (err) {
err.message += `: ${tree.name}`;
console.warn(`Could not parse semver: ${tree.name}`);
return null;
}
// not an actual dependency in disk
if (parseResult.version !== parseResult.range) {
return null;
}
const name = parseResult.name;
const version = parseResult.version;
const dependencyPath = path.join(prefix, name);
const children = [];
for (const child of (tree.children || [])) {
const dep = asYarnDependency(path.join(prefix, name, 'node_modules'), child);
if (dep) {
children.push(dep);
}
}
return { name, version, path: dependencyPath, children };
}
function getYarnProductionDependencies(cwd) {
const raw = cp.execSync('yarn list --json', { cwd, encoding: 'utf8', env: { ...process.env, NODE_ENV: 'production' }, stdio: [null, null, 'inherit'] });
const match = /^{"type":"tree".*$/m.exec(raw);
if (!match || match.length !== 1) {
throw new Error('Could not parse result of `yarn list --json`');
}
const trees = JSON.parse(match[0]).data.trees;
return trees
.map(tree => asYarnDependency(path.join(cwd, 'node_modules'), tree))
.filter(dep => !!dep);
}
function getProductionDependencies(cwd) {
const result = [];
const deps = getYarnProductionDependencies(cwd);
const flatten = dep => { result.push({ name: dep.name, version: dep.version, path: dep.path }); dep.children.forEach(flatten); };
deps.forEach(flatten);
return _.uniq(result);
}
module.exports.getProductionDependencies = getProductionDependencies;
if (require.main === module) {
const root = path.dirname(__dirname);
console.log(JSON.stringify(getProductionDependencies(root), null, ' '));
}