roc/lib/commands/helpers/github.js

Build modern web applications easily

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.getVersions = getVersions;
exports.get = get;

var _got = require('got');

var _got2 = _interopRequireDefault(_got);

var _tar = require('tar');

var _tar2 = _interopRequireDefault(_tar);

var _zlib = require('zlib');

var _zlib2 = _interopRequireDefault(_zlib);

var _temp = require('temp');

var _temp2 = _interopRequireDefault(_temp);

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

// 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 (0, _got2.default)(`https://api.github.com/repos/${ packageName }/tags`, {
        json: true
    }).then(response => response.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) {
    let version = arguments.length <= 1 || arguments[1] === undefined ? 'master' : arguments[1];

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

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

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

            writeTar.on('finish', () => resolve(dirPath));

            _got2.default.stream(`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