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