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/var/lang/lib/node_modules/npm/lib/commands

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query.js3.8 KB · 140 lines
const { resolve } = require('node:path')const BaseCommand = require('../base-cmd.js')const { log, output } = require('proc-log') class QuerySelectorItem {  constructor (node) {    // all enumerable properties from the target    Object.assign(this, node.target.package)     // append extra info    this.pkgid = node.target.pkgid    this.location = node.target.location    this.path = node.target.path    this.realpath = node.target.realpath    this.resolved = node.target.resolved    this.from = []    this.to = []    this.dev = node.target.dev    this.inBundle = node.target.inBundle    this.deduped = this.from.length > 1    this.overridden = node.overridden    this.queryContext = node.queryContext    for (const edge of node.target.edgesIn) {      this.from.push(edge.from.location)    }    for (const [, edge] of node.target.edgesOut) {      if (edge.to) {        this.to.push(edge.to.location)      }    }  }} class Query extends BaseCommand {  #response = [] // response is the query response  #seen = new Set() // paths we've seen so we can keep response deduped   static description = 'Retrieve a filtered list of packages'  static name = 'query'  static usage = ['<selector>']   static workspaces = true  static ignoreImplicitWorkspace = false   static params = [    'global',    'workspace',    'workspaces',    'include-workspace-root',    'package-lock-only',    'expect-results',  ]   constructor (...args) {    super(...args)    this.npm.config.set('json', true)  }   async exec (args) {    const packageLockOnly = this.npm.config.get('package-lock-only')    const Arborist = require('@npmcli/arborist')    const arb = new Arborist({      ...this.npm.flatOptions,      // one dir up from wherever node_modules lives      path: resolve(this.npm.dir, '..'),      forceActual: !packageLockOnly,    })    let tree    if (packageLockOnly) {      try {        tree = await arb.loadVirtual()      } catch (err) {        log.verbose('loadVirtual', err.stack)        throw this.usageError(          'A package lock or shrinkwrap file is required in package-lock-only mode'        )      }    } else {      tree = await arb.loadActual()    }    await this.#queryTree(tree, args[0])    this.#output()  }   async execWorkspaces (args) {    await this.setWorkspaces()    const packageLockOnly = this.npm.config.get('package-lock-only')    const Arborist = require('@npmcli/arborist')    const arb = new Arborist({      ...this.npm.flatOptions,      path: this.npm.prefix,      forceActual: !packageLockOnly,    })    let tree    if (packageLockOnly) {      try {        tree = await arb.loadVirtual()      } catch (err) {        log.verbose('loadVirtual', err.stack)        throw this.usageError(          'A package lock or shrinkwrap file is required in package-lock-only mode'        )      }    } else {      tree = await arb.loadActual()    }    for (const path of this.workspacePaths) {      const wsTree = path === tree.root.path        ? tree // --includes-workspace-root        : await tree.querySelectorAll(`.workspace:path(${path})`).then(r => r[0]?.target)      if (wsTree) {        await this.#queryTree(wsTree, args[0])      }    }    this.#output()  }   #output () {    this.checkExpected(this.#response.length)    output.buffer(this.#response)  }   // builds a normalized inventory  async #queryTree (tree, arg) {    const items = await tree.querySelectorAll(arg, this.npm.flatOptions)    for (const node of items) {      const { location } = node.target      if (!location || !this.#seen.has(location)) {        const item = new QuerySelectorItem(node)        this.#response.push(item)        if (location) {          this.#seen.add(item.location)        }      }    }  }} module.exports = Query