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