129 lines
3.6 KiB
JavaScript
129 lines
3.6 KiB
JavaScript
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const { explainNode } = require('../utils/explain-dep.js')
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const completion = require('../utils/completion/installed-deep.js')
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const Arborist = require('@npmcli/arborist')
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const npa = require('npm-package-arg')
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const semver = require('semver')
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const { relative, resolve } = require('path')
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const validName = require('validate-npm-package-name')
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const ArboristWorkspaceCmd = require('../arborist-cmd.js')
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class Explain extends ArboristWorkspaceCmd {
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static description = 'Explain installed packages'
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static name = 'explain'
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static usage = ['<package-spec>']
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static params = [
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'json',
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'workspace',
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]
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static ignoreImplicitWorkspace = false
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// TODO
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/* istanbul ignore next */
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async completion (opts) {
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return completion(this.npm, opts)
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}
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async exec (args) {
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if (!args.length) {
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throw this.usageError()
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}
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const arb = new Arborist({ path: this.npm.prefix, ...this.npm.flatOptions })
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const tree = await arb.loadActual()
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if (this.npm.flatOptions.workspacesEnabled
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&& this.workspaceNames
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&& this.workspaceNames.length
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) {
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this.filterSet = arb.workspaceDependencySet(tree, this.workspaceNames)
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} else if (!this.npm.flatOptions.workspacesEnabled) {
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this.filterSet =
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arb.excludeWorkspacesDependencySet(tree)
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}
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const nodes = new Set()
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for (const arg of args) {
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for (const node of this.getNodes(tree, arg)) {
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const filteredOut = this.filterSet
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&& this.filterSet.size > 0
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&& !this.filterSet.has(node)
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if (!filteredOut) {
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nodes.add(node)
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}
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}
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}
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if (nodes.size === 0) {
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throw new Error(`No dependencies found matching ${args.join(', ')}`)
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}
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const expls = []
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for (const node of nodes) {
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const { extraneous, dev, optional, devOptional, peer, inBundle, overridden } = node
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const expl = node.explain()
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if (extraneous) {
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expl.extraneous = true
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} else {
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expl.dev = dev
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expl.optional = optional
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expl.devOptional = devOptional
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expl.peer = peer
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expl.bundled = inBundle
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expl.overridden = overridden
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}
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expls.push(expl)
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}
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if (this.npm.flatOptions.json) {
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this.npm.output(JSON.stringify(expls, null, 2))
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} else {
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this.npm.output(expls.map(expl => {
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return explainNode(expl, Infinity, this.npm.color)
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}).join('\n\n'))
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}
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}
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getNodes (tree, arg) {
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// if it's just a name, return packages by that name
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const { validForOldPackages: valid } = validName(arg)
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if (valid) {
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return tree.inventory.query('packageName', arg)
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}
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// if it's a location, get that node
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const maybeLoc = arg.replace(/\\/g, '/').replace(/\/+$/, '')
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const nodeByLoc = tree.inventory.get(maybeLoc)
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if (nodeByLoc) {
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return [nodeByLoc]
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}
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// maybe a path to a node_modules folder
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const maybePath = relative(this.npm.prefix, resolve(maybeLoc))
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.replace(/\\/g, '/').replace(/\/+$/, '')
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const nodeByPath = tree.inventory.get(maybePath)
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if (nodeByPath) {
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return [nodeByPath]
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}
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// otherwise, try to select all matching nodes
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try {
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return this.getNodesByVersion(tree, arg)
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} catch (er) {
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return []
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}
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}
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getNodesByVersion (tree, arg) {
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const spec = npa(arg, this.npm.prefix)
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if (spec.type !== 'version' && spec.type !== 'range') {
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return []
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}
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return tree.inventory.filter(node => {
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return node.package.name === spec.name &&
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semver.satisfies(node.package.version, spec.rawSpec)
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})
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}
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}
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module.exports = Explain
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