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query.js
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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', ] get parsedResponse () { return JSON.stringify(this.#response, null, 2) } async exec (args) { // one dir up from wherever node_modules lives const where = resolve(this.npm.dir, '..') const Arborist = require('@npmcli/arborist') const opts = { ...this.npm.flatOptions, path: where, forceActual: true, } const arb = new Arborist(opts) let tree if (this.npm.config.get('package-lock-only')) { try { tree = await arb.loadVirtual() } catch (err) { log.verbose('loadVirtual', err.stack) /* eslint-disable-next-line max-len */ throw this.usageError('A package lock or shrinkwrap file is required in package-lock-only mode') } } else { tree = await arb.loadActual(opts) } const items = await tree.querySelectorAll(args[0], this.npm.flatOptions) this.buildResponse(items) this.checkExpected(this.#response.length) output.standard(this.parsedResponse) } async execWorkspaces (args) { await this.setWorkspaces() const Arborist = require('@npmcli/arborist') const opts = { ...this.npm.flatOptions, path: this.npm.prefix, } const arb = new Arborist(opts) const tree = await arb.loadActual(opts) for (const workspacePath of this.workspacePaths) { let items if (workspacePath === tree.root.path) { // include-workspace-root items = await tree.querySelectorAll(args[0]) } else { const [workspace] = await tree.querySelectorAll(`.workspace:path(${workspacePath})`) items = await workspace.target.querySelectorAll(args[0], this.npm.flatOptions) } this.buildResponse(items) } this.checkExpected(this.#response.length) output.standard(this.parsedResponse) } // builds a normalized inventory buildResponse (items) { for (const node of items) { if (!node.target.location || !this.#seen.has(node.target.location)) { const item = new QuerySelectorItem(node) this.#response.push(item) if (node.target.location) { this.#seen.add(item.location) } } } } } module.exports = Query