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| /** | |
| * Module dependencies | |
| */ | |
| var concat = require('./reduceStream').concat; | |
| var exec = require('child_process').exec; | |
| var Err = require('./errors'); | |
| module.exports = { | |
| /** | |
| * Run `npm install`. | |
| * | |
| * @param {Array} dependencies [string names of all your dependencies, plus versions if you want, you know the drill] | |
| * @param {Object} options | |
| * @param {Object|Function} cb | |
| */ | |
| install: function(options, cb) { | |
| return doNpmCommand({ | |
| npmCommand: 'install', | |
| cmdArgs: options.dependencies, | |
| cmdOptions: { | |
| production: options.production || false, | |
| loglevel: options.loglevel || undefined, | |
| save: options.save || false, | |
| 'save-dev': options.saveDev || false, | |
| 'save-exact': options.saveExact || false, | |
| prefix: options.prefix || undefined, | |
| }, | |
| dir: options.dir | |
| }, cb); | |
| }, | |
| /** | |
| * @param {[type]} options [description] | |
| * @param {Function} cb [description] | |
| * @return {[type]} [description] | |
| */ | |
| update: function(options, cb) { | |
| return doNpmCommand({ | |
| npmCommand: 'update', | |
| path: options.path || '', | |
| cmdArgs: [], | |
| cmdOptions: { | |
| production: options.production || false, | |
| loglevel: options.loglevel || undefined, | |
| prefix: options.prefix || undefined, | |
| }, | |
| dir: options.dir | |
| }, cb); | |
| } | |
| }; | |
| function doNpmCommand(options, cb) { | |
| cb = cb || function() {}; | |
| if (!options.npmCommand) { | |
| return cb(new Error('`npmCommand` option is required')); | |
| } | |
| // Defaults | |
| options.cmdOptions = options.cmdOptions || {}; | |
| options.cmdArgs = options.cmdArgs || []; | |
| // Check to make sure npm CLI is accessible | |
| var NPM_V_OUTPUT = /^[0-9]+\.[0-9]+\.[0-9]+/; | |
| var stdout$npm_v = exec('npm -v').stdout; | |
| concat(stdout$npm_v, function(err, result) { | |
| if (err) return cb(err); | |
| if (typeof result !== 'string' || | |
| !result.match(NPM_V_OUTPUT)) { | |
| return cb(Err.cantFindNpm(result)); | |
| } | |
| // Build command to execute | |
| var cmd = ''; | |
| cmd += 'npm ' + options.npmCommand + ' '; | |
| cmd += options.cmdArgs.join(' '); | |
| cmd += ' '; | |
| // if ('save' in options && options.save) { | |
| // cmd += '--save '; | |
| // } | |
| // | |
| // if ('saveExact' in options && options.saveExact) { | |
| // cmd += '--save-exact '; | |
| // } | |
| // | |
| // if ('saveDev' in options && options.saveDev) { | |
| // cmd += '--save-dev '; | |
| // } | |
| // | |
| // if (options.path.length > 0) { | |
| // cmd += '--prefix ' + options.path + ' '; | |
| // } | |
| for (var key in options.cmdOptions) { | |
| // Skip undefined options | |
| if (options.cmdOptions[key] !== undefined) { | |
| cmd += '--' + key + '=' + options.cmdOptions[key] + ' '; | |
| } | |
| } | |
| cmd += ''; | |
| // DRY: | |
| // console.log('WOULD HAVE RUN::'); | |
| // console.log(cmd); | |
| // Spin up child process | |
| var npm = exec(cmd, {cwd: options.dir}); | |
| var stderr$npm = npm.stderr; | |
| var stdout$npm = npm.stdout; | |
| // Watch in case anything goes wrong | |
| stderr$npm.pipe(process.stderr); | |
| // When finished, trigger success cb | |
| npm.on('exit', function onSuccess() { | |
| cb(); | |
| }); | |
| }); | |
| } |