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Mini Shell
Mini Shell
'use strict'
const { resolve } = require('path')
const Arborist = require('@npmcli/arborist')
const BaseCommand = require('../base-command.js')
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
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 ignoreImplicitWorkspace = false
static params = [
'global',
'workspace',
'workspaces',
'include-workspace-root',
]
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 opts = {
...this.npm.flatOptions,
path: where,
forceActual: true,
}
const arb = new Arborist(opts)
const tree = await arb.loadActual(opts)
const items = await tree.querySelectorAll(args[0])
this.buildResponse(items)
this.npm.output(this.parsedResponse)
}
async execWorkspaces (args, filters) {
await this.setWorkspaces(filters)
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.buildResponse(items)
}
this.npm.output(this.parsedResponse)
}
// builds a normalized inventory
buildResponse (items) {
for (const node of items) {
if (!this.#seen.has(node.target.location)) {
const item = new QuerySelectorItem(node)
this.#response.push(item)
this.#seen.add(item.location)
}
}
}
}
module.exports = Query
Zerion Mini Shell 1.0