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174c37d75d
- results of the first lookup is cached to ~/.bower/completion/install.json - consider caching in ~/.bower/cache instead, so that cache-clean command also removes completion cache.
83 lines
2.4 KiB
JavaScript
83 lines
2.4 KiB
JavaScript
// ==========================================
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// BOWER: Install API
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// ==========================================
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// Copyright 2012 Twitter, Inc
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// Licensed under The MIT License
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// http://opensource.org/licenses/MIT
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// ==========================================
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// 1. Recursively resolve dependencies
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// 2. Intelligently work out which deps to
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// use (versioning)
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// 3. Throw if deps conflict
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// ==========================================
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var Emitter = require('events').EventEmitter;
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var nopt = require('nopt');
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var fs = require('fs');
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var path = require('path');
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var Manager = require('../core/manager');
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var config = require('../core/config');
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var source = require('../core/source');
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var save = require('../util/save');
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var help = require('./help');
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var optionTypes = { help: Boolean, save: Boolean, force: Boolean };
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var shorthand = { 'h': ['--help'], 'S': ['--save'], 'f': ['--force'] };
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module.exports = function (paths, options) {
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var emitter = new Emitter;
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var manager = new Manager(paths, { force: options && options.force });
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if (options && options.save) save(manager, paths);
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manager
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.on('data', emitter.emit.bind(emitter, 'data'))
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.on('error', emitter.emit.bind(emitter, 'error'))
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.on('resolve', emitter.emit.bind(emitter, 'end', null))
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.resolve();
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return emitter;
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};
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module.exports.line = function (argv) {
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var options = nopt(optionTypes, shorthand, argv);
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var paths = options.argv.remain.slice(1);
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if (options.help) return help('install');
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return module.exports(paths, options);
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};
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module.exports.completion = function (opts, cb) {
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var word = opts.word;
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// completing options?
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if (opts.words[0] === 'install' && word.charAt(0) === '-') {
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return cb(null, Object.keys(optionTypes).map(function (option) {
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return '--' + option;
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}));
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}
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var cache = path.join(config.completion, 'install.json');
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var done = function done(err, results) {
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if (err) return cb(err);
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var names = results.map(function (pkg) {
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return pkg.name;
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});
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return cb(null, names);
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};
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fs.readFile(cache, function (err, body) {
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if (!err) return done(null, JSON.parse(body));
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// expected error, do the first request and cache the results
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source.all(function (err, results) {
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if (err) return cb(err);
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fs.writeFile(cache, JSON.stringify(results, null, 2), function (err) {
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done(err, results);
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});
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});
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});
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};
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