Files
bower/lib/commands/install.js

82 lines
2.4 KiB
JavaScript

// ==========================================
// BOWER: Install API
// ==========================================
// Copyright 2012 Twitter, Inc
// Licensed under The MIT License
// http://opensource.org/licenses/MIT
// ==========================================
var Emitter = require('events').EventEmitter;
var nopt = require('nopt');
var fs = require('fs');
var path = require('path');
var Manager = require('../core/manager');
var config = require('../core/config');
var source = require('../core/source');
var save = require('../util/save');
var help = require('./help');
var optionTypes = { help: Boolean, save: Boolean, 'save-dev': Boolean, force: Boolean, 'force-latest': Boolean, production: Boolean };
var shorthand = { 'h': ['--help'], 'S': ['--save'], 'D': ['--save-dev'], 'f': ['--force'], 'F': ['--force-latest'], 'p': ['--production'] };
module.exports = function (paths, options) {
options = options || {};
var emitter = new Emitter;
var manager = new Manager(paths, {
force: options.force,
forceLatest: options['force-latest'],
production: options.production
});
manager
.on('data', emitter.emit.bind(emitter, 'data'))
.on('error', emitter.emit.bind(emitter, 'error'))
.on('resolve', function (resolved) {
// Handle save/save-dev
if (resolved && (options.save || options['save-dev'])) {
save(manager, paths, !options.save, emitter.emit.bind(emitter, 'end'));
} else {
emitter.emit('end');
}
})
.resolve();
return emitter;
};
module.exports.line = function (argv) {
var options = nopt(optionTypes, shorthand, argv);
var paths = options.argv.remain.slice(1);
if (options.help) return help('install');
return module.exports(paths, options);
};
module.exports.completion = function (opts, cb) {
var cache = path.join(config.completion, 'install.json');
var done = function done(err, results) {
if (err) return cb(err);
var names = results.map(function (pkg) {
return pkg.name;
});
return cb(null, names);
};
fs.readFile(cache, function (err, body) {
if (!err) return done(null, JSON.parse(body));
// expected error, do the first request and cache the results
source.all(function (err, results) {
if (err) return cb(err);
fs.writeFile(cache, JSON.stringify(results, null, 2), function (err) {
done(err, results);
});
});
});
};
module.exports.completion.options = shorthand;