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const { explainNode } = require('../utils/explain-dep.js')
const npa = require('npm-package-arg')
const semver = require('semver')
const { relative, resolve } = require('node:path')
const validName = require('validate-npm-package-name')
const { output } = require('proc-log')
const ArboristWorkspaceCmd = require('../arborist-cmd.js')
class Explain extends ArboristWorkspaceCmd {
static description = 'Explain installed packages'
static name = 'explain'
static usage = ['<package-spec>']
static params = [
'json',
'workspace',
]
static ignoreImplicitWorkspace = false
// TODO
/* istanbul ignore next */
static async completion (opts, npm) {
const completion = require('../utils/installed-deep.js')
return completion(npm, opts)
}
async exec (args) {
if (!args.length) {
throw this.usageError()
}
const Arborist = require('@npmcli/arborist')
const arb = new Arborist({ path: this.npm.prefix, ...this.npm.flatOptions })
const tree = await arb.loadActual()
if (this.npm.flatOptions.workspacesEnabled
&& this.workspaceNames
&& this.workspaceNames.length
) {
this.filterSet = arb.workspaceDependencySet(tree, this.workspaceNames)
} else if (!this.npm.flatOptions.workspacesEnabled) {
this.filterSet =
arb.excludeWorkspacesDependencySet(tree)
}
const nodes = new Set()
for (const arg of args) {
for (const node of this.getNodes(tree, arg)) {
const filteredOut = this.filterSet
&& this.filterSet.size > 0
&& !this.filterSet.has(node)
if (!filteredOut) {
nodes.add(node)
}
}
}
if (nodes.size === 0) {
throw new Error(`No dependencies found matching ${args.join(', ')}`)
}
const expls = []
for (const node of nodes) {
const { extraneous, dev, optional, devOptional, peer, inBundle, overridden } = node
const expl = node.explain()
if (extraneous) {
expl.extraneous = true
} else {
expl.dev = dev
expl.optional = optional
expl.devOptional = devOptional
expl.peer = peer
expl.bundled = inBundle
expl.overridden = overridden
}
expls.push(expl)
}
if (this.npm.flatOptions.json) {
output.buffer(expls)
} else {
output.standard(expls.map(expl => {
return explainNode(expl, Infinity, this.npm.chalk)
}).join('\n\n'))
}
}
getNodes (tree, arg) {
// if it's just a name, return packages by that name
const { validForOldPackages: valid } = validName(arg)
if (valid) {
return tree.inventory.query('packageName', arg)
}
// if it's a location, get that node
const maybeLoc = arg.replace(/\\/g, '/').replace(/\/+$/, '')
const nodeByLoc = tree.inventory.get(maybeLoc)
if (nodeByLoc) {
return [nodeByLoc]
}
// maybe a path to a node_modules folder
const maybePath = relative(this.npm.prefix, resolve(maybeLoc))
.replace(/\\/g, '/').replace(/\/+$/, '')
const nodeByPath = tree.inventory.get(maybePath)
if (nodeByPath) {
return [nodeByPath]
}
// otherwise, try to select all matching nodes
try {
return this.getNodesByVersion(tree, arg)
} catch (er) {
return []
}
}
getNodesByVersion (tree, arg) {
const spec = npa(arg, this.npm.prefix)
if (spec.type !== 'version' && spec.type !== 'range') {
return []
}
return tree.inventory.filter(node => {
return node.package.name === spec.name &&
semver.satisfies(node.package.version, spec.rawSpec)
})
}
}
module.exports = Explain
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| access.js | File | 6.04 KB | 0644 |
|
| adduser.js | File | 1.29 KB | 0644 |
|
| audit.js | File | 3.15 KB | 0644 |
|
| bugs.js | File | 847 B | 0644 |
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| cache.js | File | 7.12 KB | 0644 |
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| ci.js | File | 4.22 KB | 0644 |
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| completion.js | File | 8.9 KB | 0644 |
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| config.js | File | 11.18 KB | 0644 |
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| dedupe.js | File | 1.41 KB | 0644 |
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| deprecate.js | File | 2.13 KB | 0644 |
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| diff.js | File | 8 KB | 0644 |
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| dist-tag.js | File | 5.52 KB | 0644 |
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| docs.js | File | 449 B | 0644 |
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| doctor.js | File | 10.1 KB | 0644 |
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| edit.js | File | 1.76 KB | 0644 |
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| exec.js | File | 3.42 KB | 0644 |
|
| explain.js | File | 3.58 KB | 0644 |
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| explore.js | File | 2.16 KB | 0644 |
|
| find-dupes.js | File | 634 B | 0644 |
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| fund.js | File | 6.46 KB | 0644 |
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| get.js | File | 577 B | 0644 |
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| help-search.js | File | 5.52 KB | 0644 |
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| help.js | File | 3.66 KB | 0644 |
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| hook.js | File | 3.37 KB | 0644 |
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| init.js | File | 6.85 KB | 0644 |
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| install-ci-test.js | File | 373 B | 0644 |
|
| install-test.js | File | 370 B | 0644 |
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| install.js | File | 5.15 KB | 0644 |
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| link.js | File | 5.25 KB | 0644 |
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| ll.js | File | 234 B | 0644 |
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| login.js | File | 1.29 KB | 0644 |
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| logout.js | File | 1.42 KB | 0644 |
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| ls.js | File | 16.81 KB | 0644 |
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| org.js | File | 4.02 KB | 0644 |
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| outdated.js | File | 7.7 KB | 0644 |
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| owner.js | File | 5.85 KB | 0644 |
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| pack.js | File | 2.6 KB | 0644 |
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| ping.js | File | 873 B | 0644 |
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| pkg.js | File | 3.56 KB | 0644 |
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| prefix.js | File | 335 B | 0644 |
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| profile.js | File | 10.57 KB | 0644 |
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| prune.js | File | 799 B | 0644 |
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| publish.js | File | 7.38 KB | 0644 |
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| query.js | File | 3.51 KB | 0644 |
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| rebuild.js | File | 2.19 KB | 0644 |
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| repo.js | File | 1.25 KB | 0644 |
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| restart.js | File | 310 B | 0644 |
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| root.js | File | 295 B | 0644 |
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| run-script.js | File | 6.08 KB | 0644 |
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| sbom.js | File | 4.51 KB | 0644 |
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| search.js | File | 1.83 KB | 0644 |
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| set.js | File | 671 B | 0644 |
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| shrinkwrap.js | File | 2.65 KB | 0644 |
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| star.js | File | 1.87 KB | 0644 |
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| stars.js | File | 1.03 KB | 0644 |
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| start.js | File | 300 B | 0644 |
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| stop.js | File | 295 B | 0644 |
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| team.js | File | 4.36 KB | 0644 |
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| test.js | File | 295 B | 0644 |
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| token.js | File | 6.02 KB | 0644 |
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| uninstall.js | File | 1.52 KB | 0644 |
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| unpublish.js | File | 5.27 KB | 0644 |
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| unstar.js | File | 183 B | 0644 |
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| update.js | File | 1.72 KB | 0644 |
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| version.js | File | 3.54 KB | 0644 |
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| view.js | File | 12.8 KB | 0644 |
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| whoami.js | File | 527 B | 0644 |
|