diff --git a/lib/ls.js b/lib/ls.js
index d92b73ddfcdbb..f39249c0e93af 100644
--- a/lib/ls.js
+++ b/lib/ls.js
@@ -50,6 +50,7 @@ class LS extends ArboristWorkspaceCmd {
       'depth',
       'omit',
       'link',
+      'virtual',
       'unicode',
       ...super.params,
     ]
@@ -79,6 +80,7 @@ class LS extends ArboristWorkspaceCmd {
     const prod = this.npm.config.get('prod')
     const production = this.npm.config.get('production')
     const unicode = this.npm.config.get('unicode')
+    const virtual = this.npm.config.get('virtual')
 
     const path = global ? resolve(this.npm.globalDir, '..') : this.npm.prefix
 
@@ -88,7 +90,7 @@ class LS extends ArboristWorkspaceCmd {
       legacyPeerDeps: false,
       path,
     })
-    const tree = await this.initTree({arb, args })
+    const tree = await this.initTree({arb, args, virtual })
 
     // filters by workspaces nodes when using -w <workspace-name>
     // We only have to filter the first layer of edges, so we don't
@@ -216,8 +218,13 @@ class LS extends ArboristWorkspaceCmd {
     }
   }
 
-  async initTree ({ arb, args }) {
-    const tree = await arb.loadActual()
+  async initTree ({ arb, args, virtual }) {
+    const tree = await (
+      virtual
+        ? arb.loadVirtual()
+        : arb.loadActual()
+    )
+
     tree[_include] = args.length === 0
     tree[_depth] = 0
 
diff --git a/lib/utils/config/definitions.js b/lib/utils/config/definitions.js
index ce7702aaa4f79..04dd5e0bd7814 100644
--- a/lib/utils/config/definitions.js
+++ b/lib/utils/config/definitions.js
@@ -2054,6 +2054,15 @@ define('viewer', {
   `,
 })
 
+define('virtual', {
+  default: false,
+  type: Boolean,
+  description: `
+    Operates in "virtual" mode, meaning that the dependency tree is based off
+    the lockfile rather than the contents of \`node_modules\`.
+  `,
+})
+
 define('which', {
   default: null,
   hint: '<fundingSourceNumber>',
diff --git a/tap-snapshots/test/lib/load-all-commands.js.test.cjs b/tap-snapshots/test/lib/load-all-commands.js.test.cjs
index 097123d46a3cc..58dd01182b634 100644
--- a/tap-snapshots/test/lib/load-all-commands.js.test.cjs
+++ b/tap-snapshots/test/lib/load-all-commands.js.test.cjs
@@ -538,7 +538,7 @@ npm ll [[<@scope>/]<pkg> ...]
 Options:
 [-a|--all] [--json] [-l|--long] [-p|--parseable] [-g|--global] [--depth <depth>]
 [--omit <dev|optional|peer> [--omit <dev|optional|peer> ...]] [--link]
-[--unicode]
+[--virtual] [--unicode]
 [-w|--workspace <workspace-name> [-w|--workspace <workspace-name> ...]]
 [-ws|--workspaces]
 
@@ -588,7 +588,7 @@ npm ls npm ls [[<@scope>/]<pkg> ...]
 Options:
 [-a|--all] [--json] [-l|--long] [-p|--parseable] [-g|--global] [--depth <depth>]
 [--omit <dev|optional|peer> [--omit <dev|optional|peer> ...]] [--link]
-[--unicode]
+[--virtual] [--unicode]
 [-w|--workspace <workspace-name> [-w|--workspace <workspace-name> ...]]
 [-ws|--workspaces]
 
diff --git a/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs b/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs
index 32443c57af35b..97be57eb5c3a1 100644
--- a/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs
+++ b/tap-snapshots/test/lib/utils/config/definitions.js.test.cjs
@@ -144,6 +144,7 @@ Array [
   "version",
   "versions",
   "viewer",
+  "virtual",
   "which",
   "workspace",
   "workspaces",
diff --git a/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs b/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs
index da8cd1794f2ac..82fe02f49a913 100644
--- a/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs
+++ b/tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs
@@ -1211,6 +1211,14 @@ The program to use to view help content.
 
 Set to \`"browser"\` to view html help content in the default web browser.
 
+#### \`virtual\`
+
+* Default: false
+* Type: Boolean
+
+Operates in "virtual" mode, meaning that the dependency tree is based off
+the lockfile rather than the contents of \`node_modules\`.
+
 #### \`which\`
 
 * Default: null
diff --git a/tap-snapshots/test/lib/utils/npm-usage.js.test.cjs b/tap-snapshots/test/lib/utils/npm-usage.js.test.cjs
index 54f6c3d2feb2a..454a4b0d31438 100644
--- a/tap-snapshots/test/lib/utils/npm-usage.js.test.cjs
+++ b/tap-snapshots/test/lib/utils/npm-usage.js.test.cjs
@@ -639,7 +639,7 @@ All commands:
                     Options:
                     [-a|--all] [--json] [-l|--long] [-p|--parseable] [-g|--global] [--depth <depth>]
                     [--omit <dev|optional|peer> [--omit <dev|optional|peer> ...]] [--link]
-                    [--unicode]
+                    [--virtual] [--unicode]
                     [-w|--workspace <workspace-name> [-w|--workspace <workspace-name> ...]]
                     [-ws|--workspaces]
                     
@@ -683,7 +683,7 @@ All commands:
                     Options:
                     [-a|--all] [--json] [-l|--long] [-p|--parseable] [-g|--global] [--depth <depth>]
                     [--omit <dev|optional|peer> [--omit <dev|optional|peer> ...]] [--link]
-                    [--unicode]
+                    [--virtual] [--unicode]
                     [-w|--workspace <workspace-name> [-w|--workspace <workspace-name> ...]]
                     [-ws|--workspaces]
                     
diff --git a/test/lib/ls.js b/test/lib/ls.js
index ecdede809df20..cac80529fafef 100644
--- a/test/lib/ls.js
+++ b/test/lib/ls.js
@@ -107,6 +107,7 @@ const config = {
   only: null,
   parseable: false,
   production: false,
+  virtual: false,
 }
 const flatOptions = {
 }
@@ -4152,3 +4153,788 @@ t.test('ls --json', (t) => {
 
   t.end()
 })
+
+t.test('ls --virtual', (t) => {
+  config.virtual = true
+  t.test('ls --virtual --json', (t) => {
+    t.beforeEach(cleanUpResult)
+    config.json = true
+    config.parseable = false
+    t.test('no args', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+                dependencies: {
+                  dog: {
+                    version: '1.0.0',
+                  },
+                },
+              },
+              chai: {
+                version: '1.0.0',
+              },
+            },
+          },
+          'should output json representation of dependencies structure'
+        )
+        t.end()
+      })
+    })
+
+    t.test('extraneous deps', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.error(err) // should not error for extraneous
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+                dependencies: {
+                  dog: {
+                    version: '1.0.0',
+                  },
+                },
+              },
+            },
+          },
+          'should output json containing no problem info'
+        )
+        t.end()
+      })
+    })
+
+    t.test('missing deps --long', (t) => {
+      config.long = true
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            dog: '^1.0.0',
+            chai: '^1.0.0',
+            ipsum: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+            ipsum: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.error(err, 'npm ls')
+        t.match(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+          },
+          'should output json containing no problems info'
+        )
+        config.long = false
+        t.end()
+      })
+    })
+
+    t.test('with filter arg', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+            ipsum: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec(['chai'], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              chai: {
+                version: '1.0.0',
+              },
+            },
+          },
+          'should output json contaning only occurrences of filtered by package'
+        )
+        t.equal(
+          process.exitCode,
+          0,
+          'should exit with error code 0'
+        )
+        t.end()
+      })
+    })
+
+    t.test('with filter arg nested dep', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+            ipsum: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec(['dog'], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+                dependencies: {
+                  dog: {
+                    version: '1.0.0',
+                  },
+                },
+              },
+            },
+          },
+          'should output json contaning only occurrences of filtered by package'
+        )
+        t.end()
+      })
+    })
+
+    t.test('with multiple filter args', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+            ipsum: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+            ipsum: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec(['dog@*', 'chai@1.0.0'], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            version: '1.0.0',
+            name: 'test-npm-ls',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+                dependencies: {
+                  dog: {
+                    version: '1.0.0',
+                  },
+                },
+              },
+              chai: {
+                version: '1.0.0',
+              },
+            },
+          },
+          'should output json contaning only occurrences of multiple filtered packages and their ancestors'
+        )
+        t.end()
+      })
+    })
+
+    t.test('with missing filter arg', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec(['notadep'], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+          },
+          'should output json containing no dependencies info'
+        )
+        t.equal(
+          process.exitCode,
+          1,
+          'should exit with error code 1'
+        )
+        process.exitCode = 0
+        t.end()
+      })
+    })
+
+    t.test('default --depth value should now be 0', (t) => {
+      config.all = false
+      config.depth = undefined
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+              },
+              chai: {
+                version: '1.0.0',
+              },
+            },
+          },
+          'should output json containing only top-level dependencies'
+        )
+        config.all = true
+        config.depth = Infinity
+        t.end()
+      })
+    })
+
+    t.test('--depth=0', (t) => {
+      config.all = false
+      config.depth = 0
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+              },
+              chai: {
+                version: '1.0.0',
+              },
+            },
+          },
+          'should output json containing only top-level dependencies'
+        )
+        config.all = true
+        config.depth = Infinity
+        t.end()
+      })
+    })
+
+    t.test('--depth=1', (t) => {
+      config.all = false
+      config.depth = 1
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^1.0.0',
+            chai: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.error(err, 'npm ls')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+                dependencies: {
+                  dog: {
+                    version: '1.0.0',
+                  },
+                },
+              },
+              chai: {
+                version: '1.0.0',
+              },
+            },
+          },
+          'should output json containing top-level deps and their deps only'
+        )
+        config.all = true
+        config.depth = Infinity
+        t.end()
+      })
+    })
+
+    t.test('missing/invalid/extraneous', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            foo: '^2.0.0',
+            ipsum: '^1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            foo: {
+              version: '1.0.0',
+              requires: {
+                dog: '^1.0.0',
+              },
+            },
+            dog: {
+              version: '1.0.0',
+            },
+            chai: {
+              version: '1.0.0',
+            },
+          },
+        }),
+      })
+      ls.exec([], (err) => {
+        t.match(err, { code: 'ELSPROBLEMS' }, 'should list dep problems')
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            problems: [
+              'invalid: foo@1.0.0 {CWD}/tap-testdir-ls-ls---virtual-ls---virtual---json-missing-invalid-extraneous/node_modules/foo',
+              'missing: ipsum@^1.0.0, required by test-npm-ls@1.0.0',
+            ],
+            dependencies: {
+              foo: {
+                version: '1.0.0',
+                invalid: true,
+                problems: [
+                  'invalid: foo@1.0.0 {CWD}/tap-testdir-ls-ls---virtual-ls---virtual---json-missing-invalid-extraneous/node_modules/foo',
+                ],
+                dependencies: {
+                  dog: {
+                    version: '1.0.0',
+                  },
+                },
+              },
+              ipsum: {
+                required: '^1.0.0',
+                missing: true,
+                problems: [
+                  'missing: ipsum@^1.0.0, required by test-npm-ls@1.0.0',
+                ],
+              },
+            },
+          },
+          'should output json containing top-level deps and their deps only'
+        )
+        t.end()
+      })
+    })
+
+    t.test('from lockfile', (t) => {
+      npm.prefix = t.testdir({
+        'package-lock.json': JSON.stringify({
+          name: 'dedupe-lockfile',
+          version: '1.0.0',
+          lockfileVersion: 2,
+          requires: true,
+          packages: {
+            '': {
+              name: 'dedupe-lockfile',
+              version: '1.0.0',
+              dependencies: {
+                '@isaacs/dedupe-tests-a': '1.0.1',
+                '@isaacs/dedupe-tests-b': '1||2',
+              },
+            },
+            'node_modules/@isaacs/dedupe-tests-a': {
+              name: '@isaacs/dedupe-tests-a',
+              version: '1.0.1',
+              resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-a/-/dedupe-tests-a-1.0.1.tgz',
+              integrity: 'sha512-8AN9lNCcBt5Xeje7fMEEpp5K3rgcAzIpTtAjYb/YMUYu8SbIVF6wz0WqACDVKvpQOUcSfNHZQNLNmue0QSwXOQ==',
+              dependencies: {
+                '@isaacs/dedupe-tests-b': '1',
+              },
+            },
+            'node_modules/@isaacs/dedupe-tests-a/node_modules/@isaacs/dedupe-tests-b': {
+              name: '@isaacs/dedupe-tests-b',
+              version: '1.0.0',
+              resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-b/-/dedupe-tests-b-1.0.0.tgz',
+              integrity: 'sha512-3nmvzIb8QL8OXODzipwoV3U8h9OQD9g9RwOPuSBQqjqSg9JZR1CCFOWNsDUtOfmwY8HFUJV9EAZ124uhqVxq+w==',
+            },
+            'node_modules/@isaacs/dedupe-tests-b': {
+              name: '@isaacs/dedupe-tests-b',
+              version: '2.0.0',
+              resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-b/-/dedupe-tests-b-2.0.0.tgz',
+              integrity: 'sha512-KTYkpRv9EzlmCg4Gsm/jpclWmRYFCXow8GZKJXjK08sIZBlElTZEa5Bw/UQxIvEfcKmWXczSqItD49Kr8Ax4UA==',
+            },
+          },
+          dependencies: {
+            '@isaacs/dedupe-tests-a': {
+              version: '1.0.1',
+              resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-a/-/dedupe-tests-a-1.0.1.tgz',
+              integrity: 'sha512-8AN9lNCcBt5Xeje7fMEEpp5K3rgcAzIpTtAjYb/YMUYu8SbIVF6wz0WqACDVKvpQOUcSfNHZQNLNmue0QSwXOQ==',
+              requires: {
+                '@isaacs/dedupe-tests-b': '1',
+              },
+              dependencies: {
+                '@isaacs/dedupe-tests-b': {
+                  version: '1.0.0',
+                  resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-b/-/dedupe-tests-b-1.0.0.tgz',
+                  integrity: 'sha512-3nmvzIb8QL8OXODzipwoV3U8h9OQD9g9RwOPuSBQqjqSg9JZR1CCFOWNsDUtOfmwY8HFUJV9EAZ124uhqVxq+w==',
+                },
+              },
+            },
+            '@isaacs/dedupe-tests-b': {
+              version: '2.0.0',
+              resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-b/-/dedupe-tests-b-2.0.0.tgz',
+              integrity: 'sha512-KTYkpRv9EzlmCg4Gsm/jpclWmRYFCXow8GZKJXjK08sIZBlElTZEa5Bw/UQxIvEfcKmWXczSqItD49Kr8Ax4UA==',
+            },
+          },
+        }),
+        'package.json': JSON.stringify({
+          name: 'dedupe-lockfile',
+          version: '1.0.0',
+          dependencies: {
+            '@isaacs/dedupe-tests-a': '1.0.1',
+            '@isaacs/dedupe-tests-b': '1||2',
+          },
+        }),
+      })
+      ls.exec([], () => {
+        t.same(
+          jsonParse(result),
+          {
+            version: '1.0.0',
+            name: 'dedupe-lockfile',
+            dependencies: {
+              '@isaacs/dedupe-tests-a': {
+                version: '1.0.1',
+                resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-a/-/dedupe-tests-a-1.0.1.tgz',
+                dependencies: {
+                  '@isaacs/dedupe-tests-b': {
+                    version: '1.0.0',
+                    resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-b/-/dedupe-tests-b-1.0.0.tgz',
+                  },
+                },
+              },
+              '@isaacs/dedupe-tests-b': {
+                version: '2.0.0',
+                resolved: 'https://registry.npmjs.org/@isaacs/dedupe-tests-b/-/dedupe-tests-b-2.0.0.tgz',
+              },
+            },
+          },
+          'should output json containing only prod deps'
+        )
+        t.end()
+      })
+    })
+
+    t.test('using aliases', (t) => {
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            a: 'npm:b@1.0.0',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          dependencies: {
+            a: {
+              version: 'npm:b@1.0.0',
+              resolved: 'https://localhost:8080/abbrev/-/abbrev-1.0.0.tgz',
+            },
+          },
+        }),
+      })
+      ls.exec([], () => {
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              a: {
+                version: '1.0.0',
+                resolved: 'https://localhost:8080/abbrev/-/abbrev-1.0.0.tgz',
+              },
+            },
+          },
+          'should output json containing aliases'
+        )
+        t.end()
+      })
+    })
+
+    t.test('resolved points to git ref', (t) => {
+      config.long = false
+      npm.prefix = t.testdir({
+        'package.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          dependencies: {
+            abbrev: 'git+https://github.com/isaacs/abbrev-js.git',
+          },
+        }),
+        'package-lock.json': JSON.stringify({
+          name: 'test-npm-ls',
+          version: '1.0.0',
+          lockfileVersion: 2,
+          requires: true,
+          dependencies: {
+            abbrev: {
+              version: 'git+ssh://git@github.com/isaacs/abbrev-js.git#b8f3a2fc0c3bb8ffd8b0d0072cc6b5a3667e963c',
+              from: 'abbrev@git+https://github.com/isaacs/abbrev-js.git',
+            },
+          },
+        }
+        ),
+      })
+      ls.exec([], () => {
+        t.same(
+          jsonParse(result),
+          {
+            name: 'test-npm-ls',
+            version: '1.0.0',
+            dependencies: {
+              abbrev: {
+                resolved: 'git+ssh://git@github.com/isaacs/abbrev-js.git#b8f3a2fc0c3bb8ffd8b0d0072cc6b5a3667e963c',
+              },
+            },
+          },
+          'should output json containing git refs'
+        )
+        t.end()
+      })
+    })
+
+    t.end()
+  })
+
+  t.end()
+})