mirror of
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69 lines
2.2 KiB
JavaScript
69 lines
2.2 KiB
JavaScript
// prune extraneous packages.
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module.exports = prune
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module.exports.Pruner = Pruner
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prune.usage = 'npm prune [[<@scope>/]<pkg>...] [--production]'
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var npm = require('./npm.js')
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var log = require('npmlog')
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var util = require('util')
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var moduleName = require('./utils/module-name.js')
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var Installer = require('./install.js').Installer
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var isExtraneous = require('./install/is-extraneous.js')
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var isOnlyDev = require('./install/is-only-dev.js')
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var removeDeps = require('./install/deps.js').removeDeps
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var loadExtraneous = require('./install/deps.js').loadExtraneous
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var chain = require('slide').chain
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var computeMetadata = require('./install/deps.js').computeMetadata
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prune.completion = require('./utils/completion/installed-deep.js')
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function prune (args, cb) {
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var dryrun = !!npm.config.get('dry-run')
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new Pruner('.', dryrun, args).run(cb)
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}
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function Pruner (where, dryrun, args) {
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Installer.call(this, where, dryrun, args)
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this.autoPrune = true
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}
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util.inherits(Pruner, Installer)
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Pruner.prototype.loadAllDepsIntoIdealTree = function (cb) {
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log.silly('uninstall', 'loadAllDepsIntoIdealTree')
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var cg = this.progress['loadIdealTree:loadAllDepsIntoIdealTree']
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var steps = []
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computeMetadata(this.idealTree)
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var self = this
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var excludeDev = npm.config.get('production') || /^prod(uction)?$/.test(npm.config.get('only'))
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function shouldPrune (child) {
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if (isExtraneous(child)) return true
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if (!excludeDev) return false
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return isOnlyDev(child)
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}
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function getModuleName (child) {
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// wrapping because moduleName doesn't like extra args and we're called
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// from map.
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return moduleName(child)
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}
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function matchesArg (name) {
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return self.args.length === 0 || self.args.indexOf(name) !== -1
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}
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function nameObj (name) {
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return {name: name}
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}
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var toPrune = this.idealTree.children.filter(shouldPrune).map(getModuleName).filter(matchesArg).map(nameObj)
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steps.push(
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[removeDeps, toPrune, this.idealTree, null],
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[loadExtraneous, this.idealTree, cg.newGroup('loadExtraneous')])
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chain(steps, cb)
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}
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Pruner.prototype.runPreinstallTopLevelLifecycles = function (cb) { cb() }
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Pruner.prototype.runPostinstallTopLevelLifecycles = function (cb) { cb() }
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Pruner.prototype.saveToDependencies = function (cb) { cb() }
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