1'use strict' 2module.exports = update 3 4const url = require('url') 5const log = require('npmlog') 6const Bluebird = require('bluebird') 7const npm = require('./npm.js') 8const Installer = require('./install.js').Installer 9const usage = require('./utils/usage') 10const outdated = Bluebird.promisify(npm.commands.outdated) 11 12update.usage = usage( 13 'update', 14 'npm update [-g] [<pkg>...]' 15) 16 17update.completion = npm.commands.outdated.completion 18 19function update (args, cb) { 20 return update_(args).asCallback(cb) 21} 22 23function update_ (args) { 24 let dryrun = false 25 if (npm.config.get('dry-run')) dryrun = true 26 27 log.verbose('update', 'computing outdated modules to update') 28 return outdated(args, true).then((rawOutdated) => { 29 const outdated = rawOutdated.map(function (ww) { 30 return { 31 dep: ww[0], 32 depname: ww[1], 33 current: ww[2], 34 wanted: ww[3], 35 latest: ww[4], 36 req: ww[5], 37 what: ww[1] + '@' + ww[3] 38 } 39 }) 40 41 const wanted = outdated.filter(function (ww) { 42 if (ww.current === ww.wanted && ww.wanted !== ww.latest) { 43 log.verbose( 44 'outdated', 45 'not updating', ww.depname, 46 "because it's currently at the maximum version that matches its specified semver range" 47 ) 48 } 49 return ww.current !== ww.wanted 50 }) 51 if (wanted.length === 0) return 52 53 log.info('outdated', 'updating', wanted) 54 const toInstall = {} 55 56 wanted.forEach(function (ww) { 57 // use the initial installation method (repo, tar, git) for updating 58 if (url.parse(ww.req).protocol) ww.what = ww.req 59 60 const where = (ww.dep.parent && ww.dep.parent.path) || ww.dep.path 61 const isTransitive = !(ww.dep.requiredBy || []).some((p) => p.isTop) 62 const key = where + ':' + String(isTransitive) 63 if (!toInstall[key]) toInstall[key] = {where: where, opts: {saveOnlyLock: isTransitive}, what: []} 64 if (toInstall[key].what.indexOf(ww.what) === -1) toInstall[key].what.push(ww.what) 65 }) 66 return Bluebird.each(Object.keys(toInstall), (key) => { 67 const deps = toInstall[key] 68 const inst = new Installer(deps.where, dryrun, deps.what, deps.opts) 69 return inst.run() 70 }) 71 }) 72} 73