roc/lib/commands/helpers/github.js

Build modern web applications easily

'use strict';

exports.__esModule = true;
exports.getVersions = getVersions;
exports.get = get;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

require('source-map-support/register');

var _request = require('request');

var _request2 = _interopRequireDefault(_request);

var _tar = require('tar');

var _tar2 = _interopRequireDefault(_tar);

var _zlib = require('zlib');

var _zlib2 = _interopRequireDefault(_zlib);

var _temp = require('temp');

var _temp2 = _interopRequireDefault(_temp);

// Automatically track and cleanup files at exit
_temp2['default'].track();

/**
 * Fetches an array of all the tags for a Github repo, used as possible versions for a template.
 *
 * @param {string} packageName - A package name, expected to match "username/repo"
 *
 * @returns {object[]} - Array of tags/versions for the package
 */

function getVersions(packageName) {
    if (!packageName) {
        throw new Error('No packageName was given.');
    }

    return new Promise(function (resolve, reject) {
        _request2['default'].get({
            url: 'https://api.github.com/repos/' + packageName + '/tags',
            headers: {
                'User-Agent': 'request'
            }
        }, function (error, resp, body) {
            if (error) {
                return reject(error);
            }

            if (resp.statusCode !== 200) {
                return reject(new Error(packageName + ': returned ' + resp.statusCode + '\n\nbody:\n' + body));
            }

            return resolve(JSON.parse(body));
        });
    });
}

/**
 * Fetches the tarball for a repository on Github.
 *
 * @param {string} packageName - A package name, expected to match "username/repo".
 * @param {string} [version="master"] The tag/version to fetch.
 *
 * @returns {string} The path to the temporary directory where the unarchived tarball is located.
 */

function get(packageName) {
    var version = arguments.length <= 1 || arguments[1] === undefined ? 'master' : arguments[1];

    if (!packageName) {
        throw new Error('No packageName was given.');
    }

    return new Promise(function (resolve, reject) {
        _temp2['default'].mkdir('roc', function (err, dirPath) {
            if (err) {
                return reject(err);
            }

            /* eslint-disable new-cap */
            var writeTar = _tar2['default'].Extract({ strip: 1, path: dirPath });
            /* eslint-enable */

            writeTar.on('finish', function () {
                return resolve(dirPath);
            });

            _request2['default'].get('http://github.com/' + packageName + '/tarball/' + version).on('error', reject).pipe(_zlib2['default'].createGunzip()).on('error', reject).pipe(writeTar).on('error', reject);
        });
    });
}
//# sourceMappingURL=github.js.map