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'use strict'
// remove a package.
module.exports = uninstall
const path = require('path')
const validate = require('aproba')
const readJson = require('read-package-json')
const iferr = require('iferr')
const npm = require('./npm.js')
const Installer = require('./install.js').Installer
const getSaveType = require('./install/save.js').getSaveType
const removeDeps = require('./install/deps.js').removeDeps
const log = require('npmlog')
const usage = require('./utils/usage')
uninstall.usage = usage(
'uninstall',
'npm uninstall [<@scope>/]<pkg>[@<version>]... [--save-prod|--save-dev|--save-optional] [--no-save]'
)
uninstall.completion = require('./utils/completion/installed-shallow.js')
function uninstall (args, cb) {
validate('AF', arguments)
// the /path/to/node_modules/..
const dryrun = !!npm.config.get('dry-run')
if (args.length === 1 && args[0] === '.') args = []
const where = npm.config.get('global') || !args.length
? path.resolve(npm.globalDir, '..')
: npm.prefix
args = args.filter(function (a) {
return path.resolve(a) !== where
})
if (args.length) {
new Uninstaller(where, dryrun, args).run(cb)
} else {
// remove this package from the global space, if it's installed there
readJson(path.resolve(npm.localPrefix, 'package.json'), function (er, pkg) {
if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)
if (er) return cb(uninstall.usage)
new Uninstaller(where, dryrun, [pkg.name]).run(cb)
})
}
}
class Uninstaller extends Installer {
constructor (where, dryrun, args) {
super(where, dryrun, args)
this.remove = []
}
loadArgMetadata (next) {
this.args = this.args.map(function (arg) { return {name: arg} })
next()
}
loadAllDepsIntoIdealTree (cb) {
validate('F', arguments)
this.remove = this.args
this.args = []
log.silly('uninstall', 'loadAllDepsIntoIdealTree')
const saveDeps = getSaveType()
super.loadAllDepsIntoIdealTree(iferr(cb, () => {
removeDeps(this.remove, this.idealTree, saveDeps, cb)
}))
}
// no top level lifecycles on rm
runPreinstallTopLevelLifecycles (cb) { cb() }
runPostinstallTopLevelLifecycles (cb) { cb() }
}
module.exports.Uninstaller = Uninstaller
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