feat: add package-lock-only mode to npm query

Author: wraithgar

docs/lib/content/commands/npm-query.md

@@ -133,6 +133,12 @@ npm query ":type(git)" | jq 'map(.name)' | xargs -I {} npm why {}
   },
   ...
 ```
+### Package lock only mode
+
+If package-lock-only is enabled, only the information in the package
+lock (or shrinkwrap) is loaded.  This means that information from the
+package.json files of your dependencies will not be included in the
+result set (e.g. description, homepage, engines).
 
 ### Package lock only mode
 

lib/commands/query.js

@@ -2,6 +2,7 @@
 
 const { resolve } = require('path')
 const BaseCommand = require('../base-command.js')
+const log = require('../utils/log-shim.js')
 
 class QuerySelectorItem {
   constructor (node) {
@@ -48,6 +49,7 @@ class Query extends BaseCommand {
     'workspace',
     'workspaces',
     'include-workspace-root',
+    'package-lock-only',
   ]
 
   get parsedResponse () {
@@ -64,7 +66,18 @@ class Query extends BaseCommand {
       forceActual: true,
     }
     const arb = new Arborist(opts)
-    const tree = await arb.loadActual(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)
 

tap-snapshots/test/lib/commands/query.js.test.cjs

@@ -99,6 +99,54 @@ exports[`test/lib/commands/query.js TAP linked node > should return linked node
 ]
 `
 
+exports[`test/lib/commands/query.js TAP package-lock-only with package lock > should return valid response with only lock info 1`] = `
+[
+  {
+    "name": "project",
+    "dependencies": {
+      "a": "^1.0.0"
+    },
+    "pkgid": "project@",
+    "location": "",
+    "path": "{CWD}/prefix",
+    "realpath": "{CWD}/prefix",
+    "resolved": null,
+    "from": [],
+    "to": [
+      "node_modules/a"
+    ],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false,
+    "overridden": false,
+    "queryContext": {}
+  },
+  {
+    "version": "1.2.3",
+    "resolved": "https://dummy.npmjs.org/a/-/a-1.2.3.tgz",
+    "integrity": "sha512-dummy",
+    "engines": {
+      "node": ">=14.17"
+    },
+    "name": "a",
+    "_id": "[email protected]",
+    "pkgid": "[email protected]",
+    "location": "node_modules/a",
+    "path": "{CWD}/prefix/node_modules/a",
+    "realpath": "{CWD}/prefix/node_modules/a",
+    "from": [
+      ""
+    ],
+    "to": [],
+    "dev": false,
+    "inBundle": false,
+    "deduped": false,
+    "overridden": false,
+    "queryContext": {}
+  }
+]
+`
+
 exports[`test/lib/commands/query.js TAP recursive tree > should return everything in the tree, accounting for recursion 1`] = `
 [
   {

tap-snapshots/test/lib/docs.js.test.cjs

@@ -3797,7 +3797,7 @@ npm query <selector>
 Options:
 [-g|--global]
 [-w|--workspace <workspace-name> [-w|--workspace <workspace-name> ...]]
-[-ws|--workspaces] [--include-workspace-root]
+[-ws|--workspaces] [--include-workspace-root] [--package-lock-only]
 
 Run "npm help query" for more info
 
@@ -3809,6 +3809,7 @@ npm query <selector>
 #### \`workspace\`
 #### \`workspaces\`
 #### \`include-workspace-root\`
+#### \`package-lock-only\`
 `
 
 exports[`test/lib/docs.js TAP usage rebuild > must match snapshot 1`] = `

test/lib/commands/query.js

@@ -179,3 +179,61 @@ t.test('global', async t => {
   await npm.exec('query', ['[name=lorem]'])
   t.matchSnapshot(joinedOutput(), 'should return global package')
 })
+
+t.test('package-lock-only', t => {
+  t.test('no package lock', async t => {
+    const { npm } = await loadMockNpm(t, {
+      config: {
+        'package-lock-only': true,
+      },
+      prefixDir: {
+        'package.json': JSON.stringify({
+          name: 'project',
+          dependencies: {
+            a: '^1.0.0',
+          },
+        }),
+      },
+    })
+    await t.rejects(npm.exec('query', [':root, :root > *']), { code: 'EUSAGE' })
+  })
+
+  t.test('with package lock', async t => {
+    const { npm, joinedOutput } = await loadMockNpm(t, {
+      config: {
+        'package-lock-only': true,
+      },
+      prefixDir: {
+        'package.json': JSON.stringify({
+          name: 'project',
+          dependencies: {
+            a: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          name: 'project',
+          lockfileVersion: 3,
+          requires: true,
+          packages: {
+            '': {
+              dependencies: {
+                a: '^1.0.0',
+              },
+            },
+            'node_modules/a': {
+              version: '1.2.3',
+              resolved: 'https://dummy.npmjs.org/a/-/a-1.2.3.tgz',
+              integrity: 'sha512-dummy',
+              engines: {
+                node: '>=14.17',
+              },
+            },
+          },
+        }),
+      },
+    })
+    await npm.exec('query', ['*'])
+    t.matchSnapshot(joinedOutput(), 'should return valid response with only lock info')
+  })
+  t.end()
+})