ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib / node_modules / npm / lib / commands

const { explainNode } = require('../utils/explain-dep.js')
const completion = require('../utils/completion/installed-deep.js')
const Arborist = require('@npmcli/arborist')
const npa = require('npm-package-arg')
const semver = require('semver')
const { relative, resolve } = require('path')
const validName = require('validate-npm-package-name')
const ArboristWorkspaceCmd = require('../arborist-cmd.js')

class Explain extends ArboristWorkspaceCmd {
  static description = 'Explain installed packages'
  static name = 'explain'
  static usage = ['<package-spec>']
  static params = [
    'json',
    'workspace',
  ]

static ignoreImplicitWorkspace = false

// TODO
  /* istanbul ignore next */
  async completion (opts) {
    return completion(this.npm, opts)
  }

async exec (args) {
    if (!args.length) {
      throw this.usageError()
    }

const arb = new Arborist({ path: this.npm.prefix, ...this.npm.flatOptions })
    const tree = await arb.loadActual()

if (this.npm.flatOptions.workspacesEnabled
      && this.workspaceNames
      && this.workspaceNames.length
    ) {
      this.filterSet = arb.workspaceDependencySet(tree, this.workspaceNames)
    } else if (!this.npm.flatOptions.workspacesEnabled) {
      this.filterSet =
        arb.excludeWorkspacesDependencySet(tree)
    }

const nodes = new Set()
    for (const arg of args) {
      for (const node of this.getNodes(tree, arg)) {
        const filteredOut = this.filterSet
          && this.filterSet.size > 0
          && !this.filterSet.has(node)
        if (!filteredOut) {
          nodes.add(node)
        }
      }
    }
    if (nodes.size === 0) {
      throw new Error(`No dependencies found matching ${args.join(', ')}`)
    }

const expls = []
    for (const node of nodes) {
      const { extraneous, dev, optional, devOptional, peer, inBundle, overridden } = node
      const expl = node.explain()
      if (extraneous) {
        expl.extraneous = true
      } else {
        expl.dev = dev
        expl.optional = optional
        expl.devOptional = devOptional
        expl.peer = peer
        expl.bundled = inBundle
        expl.overridden = overridden
      }
      expls.push(expl)
    }

if (this.npm.flatOptions.json) {
      this.npm.output(JSON.stringify(expls, null, 2))
    } else {
      this.npm.output(expls.map(expl => {
        return explainNode(expl, Infinity, this.npm.color)
      }).join('\n\n'))
    }
  }

getNodes (tree, arg) {
    // if it's just a name, return packages by that name
    const { validForOldPackages: valid } = validName(arg)
    if (valid) {
      return tree.inventory.query('packageName', arg)
    }

// if it's a location, get that node
    const maybeLoc = arg.replace(/\\/g, '/').replace(/\/+$/, '')
    const nodeByLoc = tree.inventory.get(maybeLoc)
    if (nodeByLoc) {
      return [nodeByLoc]
    }

// maybe a path to a node_modules folder
    const maybePath = relative(this.npm.prefix, resolve(maybeLoc))
      .replace(/\\/g, '/').replace(/\/+$/, '')
    const nodeByPath = tree.inventory.get(maybePath)
    if (nodeByPath) {
      return [nodeByPath]
    }

// otherwise, try to select all matching nodes
    try {
      return this.getNodesByVersion(tree, arg)
    } catch (er) {
      return []
    }
  }

getNodesByVersion (tree, arg) {
    const spec = npa(arg, this.npm.prefix)
    if (spec.type !== 'version' && spec.type !== 'range') {
      return []
    }

return tree.inventory.filter(node => {
      return node.package.name === spec.name &&
        semver.satisfies(node.package.version, spec.rawSpec)
    })
  }
}
module.exports = Explain

[-] star.js [edit]
[-] ping.js [edit]
[-] stop.js [edit]
[-] team.js [edit]
[-] run-script.js [edit]
[-] edit.js [edit]
[-] explore.js [edit]
[-] access.js [edit]
[-] explain.js [edit]
[-] repo.js [edit]
[-] root.js [edit]
[-] completion.js [edit]
[-] bugs.js [edit]
[-] restart.js [edit]
[+] ..
[-] pack.js [edit]
[-] ll.js [edit]
[-] install-test.js [edit]
[-] find-dupes.js [edit]
[-] unstar.js [edit]
[-] org.js [edit]
[-] dedupe.js [edit]
[-] birthday.js [edit]
[-] test.js [edit]
[-] audit.js [edit]
[-] install-ci-test.js [edit]
[-] cache.js [edit]
[-] outdated.js [edit]
[-] link.js [edit]
[-] diff.js [edit]
[-] logout.js [edit]
[-] install.js [edit]
[-] fund.js [edit]
[-] ci.js [edit]
[-] get.js [edit]
[-] profile.js [edit]
[-] uninstall.js [edit]
[-] init.js [edit]
[-] prune.js [edit]
[-] dist-tag.js [edit]
[-] search.js [edit]
[-] view.js [edit]
[-] owner.js [edit]
[-] rebuild.js [edit]
[-] query.js [edit]
[-] start.js [edit]
[-] config.js [edit]
[-] update.js [edit]
[-] docs.js [edit]
[-] help.js [edit]
[-] ls.js [edit]
[-] deprecate.js [edit]
[-] exec.js [edit]
[-] hook.js [edit]
[-] publish.js [edit]
[-] prefix.js [edit]
[-] adduser.js [edit]
[-] shrinkwrap.js [edit]
[-] help-search.js [edit]
[-] stars.js [edit]
[-] doctor.js [edit]
[-] set.js [edit]
[-] whoami.js [edit]
[-] version.js [edit]
[-] pkg.js [edit]
[-] bin.js [edit]
[-] token.js [edit]
[-] set-script.js [edit]
[-] unpublish.js [edit]