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const { resolve, relative, sep } = require('node:path') const archy = require('archy') const { breadth } = require('treeverse') const npa = require('npm-package-arg') const { output } = require('proc-log') const ArboristWorkspaceCmd = require('../arborist-cmd.js') const localeCompare = require('@isaacs/string-locale-compare')('en') const relativePrefix = `.${sep}` const _depth = Symbol('depth') const _dedupe = Symbol('dedupe') const _filteredBy = Symbol('filteredBy') const _include = Symbol('include') const _invalid = Symbol('invalid') const _name = Symbol('name') const _missing = Symbol('missing') const _parent = Symbol('parent') const _problems = Symbol('problems') const _required = Symbol('required') const _type = Symbol('type') class LS extends ArboristWorkspaceCmd { static description = 'List installed packages' static name = 'ls' static usage = ['<package-spec>'] static params = [ 'all', 'json', 'long', 'parseable', 'global', 'depth', 'omit', 'include', 'link', 'package-lock-only', 'unicode', ...super.params, ] // TODO /* istanbul ignore next */ static async completion (opts, npm) { const completion = require('../utils/installed-deep.js') return completion(npm, opts) } async exec (args) { const all = this.npm.config.get('all') const chalk = this.npm.chalk const depth = this.npm.config.get('depth') const global = this.npm.global const json = this.npm.config.get('json') const link = this.npm.config.get('link') const long = this.npm.config.get('long') const omit = this.npm.flatOptions.omit const parseable = this.npm.config.get('parseable') const unicode = this.npm.config.get('unicode') const packageLockOnly = this.npm.config.get('package-lock-only') const workspacesEnabled = this.npm.flatOptions.workspacesEnabled const path = global ? resolve(this.npm.globalDir, '..') : this.npm.prefix const Arborist = require('@npmcli/arborist') const arb = new Arborist({ global, ...this.npm.flatOptions, legacyPeerDeps: false, path, }) const tree = await this.initTree({ arb, args, packageLockOnly }) // filters by workspaces nodes when using -w <workspace-name> // We only have to filter the first layer of edges, so we don't // explore anything that isn't part of the selected workspace set. let wsNodes if (this.workspaceNames && this.workspaceNames.length) { wsNodes = arb.workspaceNodes(tree, this.workspaceNames) } const filterBySelectedWorkspaces = edge => { if (!workspacesEnabled && edge.from.isProjectRoot && edge.to.isWorkspace ) { return false } if (!wsNodes || !wsNodes.length) { return true } if (this.npm.flatOptions.includeWorkspaceRoot && edge.to && !edge.to.isWorkspace) { return true } if (edge.from.isProjectRoot) { return (edge.to && edge.to.isWorkspace && wsNodes.includes(edge.to.target)) } return true } const seenItems = new Set() const seenNodes = new Map() const problems = new Set() // defines special handling of printed depth when filtering with args const filterDefaultDepth = depth === null ? Infinity : depth const depthToPrint = (all || args.length) ? filterDefaultDepth : (depth || 0) // add root node of tree to list of seenNodes seenNodes.set(tree.path, tree) // tree traversal happens here, using treeverse.breadth const result = await breadth({ tree, // recursive method, `node` is going to be the current elem (starting from // the `tree` obj) that was just visited in the `visit` method below // `nodeResult` is going to be the returned `item` from `visit` getChildren (node, nodeResult) { const seenPaths = new Set() const workspace = node.isWorkspace const currentDepth = workspace ? 0 : node[_depth] const shouldSkipChildren = !(node instanceof Arborist.Node) || (currentDepth > depthToPrint) return (shouldSkipChildren) ? [] : [...(node.target).edgesOut.values()] .filter(filterBySelectedWorkspaces) .filter(currentDepth === 0 ? filterByEdgesTypes({ link, omit, }) : () => true) .map(mapEdgesToNodes({ seenPaths })) .concat(appendExtraneousChildren({ node, seenPaths })) .sort(sortAlphabetically) .map(augmentNodesWithMetadata({ args, currentDepth, nodeResult, seenNodes, })) }, // visit each `node` of the `tree`, returning an `item` - these are // the elements that will be used to build the final output visit (node) { node[_problems] = getProblems(node, { global }) const item = json ? getJsonOutputItem(node, { global, long }) : parseable ? null : getHumanOutputItem(node, { args, chalk, global, long }) // loop through list of node problems to add them to global list if (node[_include]) { for (const problem of node[_problems]) { problems.add(problem) } } seenItems.add(item) // return a promise so we don't blow the stack return Promise.resolve(item) }, }) // handle the special case of a broken package.json in the root folder const [rootError] = tree.errors.filter(e => e.code === 'EJSONPARSE' && e.path === resolve(path, 'package.json')) if (json) { output.buffer(jsonOutput({ path, problems, result, rootError, seenItems })) } else { output.standard(parseable ? parseableOutput({ seenNodes, global, long }) : humanOutput({ chalk, result, seenItems, unicode }) ) } // if filtering items, should exit with error code on no results if (result && !result[_include] && args.length) { process.exitCode = 1 } if (rootError) { throw Object.assign( new Error('Failed to parse root package.json'), { code: 'EJSONPARSE' } ) } const shouldThrow = problems.size && ![...problems].every(problem => problem.startsWith('extraneous:')) if (shouldThrow) { throw Object.assign( new Error([...problems].join('\n')), { code: 'ELSPROBLEMS' } ) } } async initTree ({ arb, args, packageLockOnly }) { const tree = await ( packageLockOnly ? arb.loadVirtual() : arb.loadActual() ) tree[_include] = args.length === 0 tree[_depth] = 0 return tree } } module.exports = LS const isGitNode = (node) => { if (!node.resolved) { return } try { const { type } = npa(node.resolved) return type === 'git' || type === 'hosted' } catch (err) { return false } } const isOptional = (node) => node[_type] === 'optional' || node[_type] === 'peerOptional' const isExtraneous = (node, { global }) => node.extraneous && !global const getProblems = (node, { global }) => { const problems = new Set() if (node[_missing] && !isOptional(node)) { problems.add(`missing: ${node.pkgid}, required by ${node[_missing]}`) } if (node[_invalid]) { problems.add(`invalid: ${node.pkgid} ${node.path}`) } if (isExtraneous(node, { global })) { problems.add(`extraneous: ${node.pkgid} ${node.path}`) } return problems } // annotates _parent and _include metadata into the resulting // item obj allowing for filtering out results during output const augmentItemWithIncludeMetadata = (node, item) => { item[_parent] = node[_parent] item[_include] = node[_include] // append current item to its parent.nodes which is the // structure expected by archy in order to print tree if (node[_include]) { // includes all ancestors of included node let p = node[_parent] while (p) { p[_include] = true p = p[_parent] } } return item } const getHumanOutputItem = (node, { args, chalk, global, long }) => { const { pkgid, path } = node const workspacePkgId = chalk.blueBright(pkgid) let printable = node.isWorkspace ? workspacePkgId : pkgid // special formatting for top-level package name if (node.isRoot) { const hasNoPackageJson = !Object.keys(node.package).length if (hasNoPackageJson || global) { printable = path } else { printable += `${long ? '\n' : ' '}${path}` } } // TODO there is a LOT of overlap with lib/utils/explain-dep.js here const highlightDepName = args.length && node[_filteredBy] const missingColor = isOptional(node) ? chalk.yellow : chalk.red const missingMsg = `UNMET ${isOptional(node) ? 'OPTIONAL ' : ''}DEPENDENCY` const targetLocation = node.root ? relative(node.root.realpath, node.realpath) : node.targetLocation const invalid = node[_invalid] ? `invalid: ${node[_invalid]}` : '' const label = ( node[_missing] ? missingColor(missingMsg) + ' ' : '' ) + `${highlightDepName ? chalk.yellow(printable) : printable}` + ( node[_dedupe] ? ' ' + chalk.dim('deduped') : '' ) + ( invalid ? ' ' + chalk.red(invalid) : '' ) + ( isExtraneous(node, { global }) ? ' ' + chalk.red('extraneous') : '' ) + ( node.overridden ? ' ' + chalk.dim('overridden') : '' ) + (isGitNode(node) ? ` (${node.resolved})` : '') + (node.isLink ? ` -> ${relativePrefix}${targetLocation}` : '') + (long ? `\n${node.package.description || ''}` : '') return augmentItemWithIncludeMetadata(node, { label, nodes: [] }) } const getJsonOutputItem = (node, { global, long }) => { const item = {} if (node.version) { item.version = node.version } if (node.resolved) { item.resolved = node.resolved } // if the node is the project root, do not add the overridden flag. the project root can't be // overridden anyway, and if we add the flag it causes undesirable behavior when `npm ls --json` // is ran in an empty directory since we end up printing an object with only an overridden prop if (!node.isProjectRoot) { item.overridden = node.overridden } item[_name] = node.name // special formatting for top-level package name const hasPackageJson = node && node.package && Object.keys(node.package).length if (node.isRoot && hasPackageJson) { item.name = node.package.name || node.name } if (long && !node[_missing]) { item.name = item[_name] const { dependencies, ...packageInfo } = node.package Object.assign(item, packageInfo) item.extraneous = false item.path = node.path item._dependencies = { ...node.package.dependencies, ...node.package.optionalDependencies, } item.devDependencies = node.package.devDependencies || {} item.peerDependencies = node.package.peerDependencies || {} } // augment json output items with extra metadata if (isExtraneous(node, { global })) { item.extraneous = true } if (node[_invalid]) { item.invalid = node[_invalid] } if (node[_missing] && !isOptional(node)) { item.required = node[_required] item.missing = true } if (node[_include] && node[_problems] && node[_problems].size) { item.problems = [...node[_problems]] } return augmentItemWithIncludeMetadata(node, item) } const filterByEdgesTypes = ({ link, omit }) => (edge) => { for (const omitType of omit) { if (edge[omitType]) { return false } } return link ? edge.to && edge.to.isLink : true } const appendExtraneousChildren = ({ node, seenPaths }) => // extraneous children are not represented // in edges out, so here we add them to the list: [...node.children.values()] .filter(i => !seenPaths.has(i.path) && i.extraneous) const mapEdgesToNodes = ({ seenPaths }) => (edge) => { let node = edge.to // if the edge is linking to a missing node, we go ahead // and create a new obj that will represent the missing node if (edge.missing || (edge.optional && !node)) { const { name, spec } = edge const pkgid = `${name}@${spec}` node = { name, pkgid, [_missing]: edge.from.pkgid } } // keeps track of a set of seen paths to avoid the edge case in which a tree // item would appear twice given that it's a children of an extraneous item, // so it's marked extraneous but it will ALSO show up in edgesOuts of // its parent so it ends up as two diff nodes if we don't track it if (node.path) { seenPaths.add(node.path) } node[_required] = edge.spec || '*' node[_type] = edge.type if (edge.invalid) { const spec = JSON.stringify(node[_required]) const from = edge.from.location || 'the root project' node[_invalid] = (node[_invalid] ? node[_invalid] + ', ' : '') + (`${spec} from ${from}`) } return node } const filterByPositionalArgs = (args, { node }) => args.length > 0 ? args.some( (spec) => (node.satisfies && node.satisfies(spec)) ) : true const augmentNodesWithMetadata = ({ args, currentDepth, nodeResult, seenNodes, }) => (node) => { // if the original edge was a deduped dep, treeverse will fail to // revisit that node in tree traversal logic, so we make it so that // we have a diff obj for deduped nodes: if (seenNodes.has(node.path)) { const { realpath, root } = node const targetLocation = root ? relative(root.realpath, realpath) : node.targetLocation node = { name: node.name, version: node.version, pkgid: node.pkgid, package: node.package, path: node.path, isLink: node.isLink, realpath: node.realpath, targetLocation, [_type]: node[_type], [_invalid]: node[_invalid], [_missing]: node[_missing], // if it's missing, it's not deduped, it's just missing [_dedupe]: !node[_missing], } } else { // keeps track of already seen nodes in order to check for dedupes seenNodes.set(node.path, node) } // _parent is going to be a ref to a treeverse-visited node (returned from // getHumanOutputItem, getJsonOutputItem, etc) so that we have an easy // shortcut to place new nodes in their right place during tree traversal node[_parent] = nodeResult // _include is the property that allow us to filter based on position args // e.g: `npm ls foo`, `npm ls simple-output@2` // _filteredBy is used to apply extra color info to the item that // was used in args in order to filter node[_filteredBy] = node[_include] = filterByPositionalArgs(args, { node: seenNodes.get(node.path) }) // _depth keeps track of how many levels deep tree traversal currently is // so that we can `npm ls --depth=1` node[_depth] = currentDepth + 1 return node } const sortAlphabetically = ({ pkgid: a }, { pkgid: b }) => localeCompare(a, b) const humanOutput = ({ chalk, result, seenItems, unicode }) => { // we need to traverse the entire tree in order to determine which items // should be included (since a nested transitive included dep will make it // so that all its ancestors should be displayed) // here is where we put items in their expected place for archy output for (const item of seenItems) { if (item[_include] && item[_parent]) { item[_parent].nodes.push(item) } } if (!result.nodes.length) { result.nodes = ['(empty)'] } const archyOutput = archy(result, '', { unicode }) return chalk.reset(archyOutput) } const jsonOutput = ({ path, problems, result, rootError, seenItems }) => { if (problems.size) { result.problems = [...problems] } if (rootError) { result.problems = [ ...(result.problems || []), ...[`error in ${path}: Failed to parse root package.json`], ] result.invalid = true } // we need to traverse the entire tree in order to determine which items // should be included (since a nested transitive included dep will make it // so that all its ancestors should be displayed) // here is where we put items in their expected place for json output for (const item of seenItems) { // append current item to its parent item.dependencies obj in order // to provide a json object structure that represents the installed tree if (item[_include] && item[_parent]) { if (!item[_parent].dependencies) { item[_parent].dependencies = {} } item[_parent].dependencies[item[_name]] = item } } return result } const parseableOutput = ({ global, long, seenNodes }) => { let out = '' for (const node of seenNodes.values()) { if (node.path && node[_include]) { out += node.path if (long) { out += `:${node.pkgid}` out += node.path !== node.realpath ? `:${node.realpath}` : '' out += isExtraneous(node, { global }) ? ':EXTRANEOUS' : '' out += node[_invalid] ? ':INVALID' : '' out += node.overridden ? ':OVERRIDDEN' : '' } out += '\n' } } return out.trim() }