/usr/lib/node_modules/npm/lib
Edit: /usr/lib/node_modules/npm/lib/cache.js (4773B)
'use strict'
/* eslint-disable standard/no-callback-literal */
const BB = require('bluebird')
const assert = require('assert')
const cacache = require('cacache')
const finished = BB.promisify(require('mississippi').finished)
const log = require('npmlog')
const npa = require('npm-package-arg')
const npm = require('./npm.js')
const npmConfig = require('./config/figgy-config.js')
const output = require('./utils/output.js')
const pacote = require('pacote')
const path = require('path')
const rm = BB.promisify(require('./utils/gently-rm.js'))
const unbuild = BB.promisify(npm.commands.unbuild)
cache.usage = 'npm cache add
' +
'\nnpm cache add ' +
'\nnpm cache add ' +
'\nnpm cache add ' +
'\nnpm cache add @' +
'\nnpm cache clean' +
'\nnpm cache verify'
cache.completion = function (opts, cb) {
var argv = opts.conf.argv.remain
if (argv.length === 2) {
return cb(null, ['add', 'clean'])
}
// TODO - eventually...
switch (argv[2]) {
case 'clean':
case 'add':
return cb(null, [])
}
}
exports = module.exports = cache
function cache (args, cb) {
const cmd = args.shift()
let result
switch (cmd) {
case 'rm': case 'clear': case 'clean':
result = clean(args)
break
case 'add':
result = add(args, npm.prefix)
break
case 'verify': case 'check':
result = verify()
break
default: return cb('Usage: ' + cache.usage)
}
if (!result || !result.then) {
throw new Error(`npm cache ${cmd} handler did not return a Promise`)
}
result.then(() => cb(), cb)
}
// npm cache clean [pkg]*
cache.clean = clean
function clean (args) {
if (!args) args = []
if (args.length) {
return BB.reject(new Error('npm cache clear does not accept arguments'))
}
const cachePath = path.join(npm.cache, '_cacache')
if (!npm.config.get('force')) {
return BB.reject(new Error("As of npm@5, the npm cache self-heals from corruption issues and data extracted from the cache is guaranteed to be valid. If you want to make sure everything is consistent, use 'npm cache verify' instead. On the other hand, if you're debugging an issue with the installer, you can use `npm install --cache /tmp/empty-cache` to use a temporary cache instead of nuking the actual one.\n\nIf you're sure you want to delete the entire cache, rerun this command with --force."))
}
// TODO - remove specific packages or package versions
return rm(cachePath)
}
// npm cache add
// npm cache add
// npm cache add
// npm cache add
cache.add = function (pkg, ver, where, scrub) {
assert(typeof pkg === 'string', 'must include name of package to install')
if (scrub) {
return clean([]).then(() => {
return add([pkg, ver], where)
})
}
return add([pkg, ver], where)
}
function add (args, where) {
var usage = 'Usage:\n' +
' npm cache add \n' +
' npm cache add @\n' +
' npm cache add \n' +
' npm cache add \n'
var spec
log.silly('cache add', 'args', args)
if (args[1] === undefined) args[1] = null
// at this point the args length must ==2
if (args[1] !== null) {
spec = args[0] + '@' + args[1]
} else if (args.length === 2) {
spec = args[0]
}
log.verbose('cache add', 'spec', spec)
if (!spec) return BB.reject(new Error(usage))
log.silly('cache add', 'parsed spec', spec)
return finished(pacote.tarball.stream(spec, npmConfig({where})).resume())
}
cache.verify = verify
function verify () {
const cache = path.join(npm.config.get('cache'), '_cacache')
let prefix = cache
if (prefix.indexOf(process.env.HOME) === 0) {
prefix = '~' + prefix.substr(process.env.HOME.length)
}
return cacache.verify(cache).then((stats) => {
output(`Cache verified and compressed (${prefix}):`)
output(`Content verified: ${stats.verifiedContent} (${stats.keptSize} bytes)`)
stats.badContentCount && output(`Corrupted content removed: ${stats.badContentCount}`)
stats.reclaimedCount && output(`Content garbage-collected: ${stats.reclaimedCount} (${stats.reclaimedSize} bytes)`)
stats.missingContent && output(`Missing content: ${stats.missingContent}`)
output(`Index entries: ${stats.totalEntries}`)
output(`Finished in ${stats.runTime.total / 1000}s`)
})
}
cache.unpack = unpack
function unpack (pkg, ver, unpackTarget, dmode, fmode, uid, gid) {
return unbuild([unpackTarget], true).then(() => {
const opts = npmConfig({dmode, fmode, uid, gid, offline: true})
return pacote.extract(npa.resolve(pkg, ver), unpackTarget, opts)
})
}