From d221f72c00e13258469a748227a1d6f9953a5948 Mon Sep 17 00:00:00 2001
From: nlf <quitlahok@gmail.com>
Date: Tue, 16 Aug 2022 10:23:06 -0700
Subject: [PATCH] feat(arborist): add :overridden pseudo selector

---
 workspaces/arborist/lib/query-selector-all.js  | 4 ++++
 workspaces/arborist/test/query-selector-all.js | 8 ++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/workspaces/arborist/lib/query-selector-all.js b/workspaces/arborist/lib/query-selector-all.js
index 6c540dea3c87..a3eac5ddc123 100644
--- a/workspaces/arborist/lib/query-selector-all.js
+++ b/workspaces/arborist/lib/query-selector-all.js
@@ -262,6 +262,10 @@ class Results {
       !internalSelector.has(node))
   }
 
+  overriddenPseudo () {
+    return this.initialItems.filter(node => node.overridden)
+  }
+
   pathPseudo () {
     return this.initialItems.filter(node => {
       if (!this.currentAstNode.pathValue) {
diff --git a/workspaces/arborist/test/query-selector-all.js b/workspaces/arborist/test/query-selector-all.js
index c335a82cbaf4..3bfe34bd8ef2 100644
--- a/workspaces/arborist/test/query-selector-all.js
+++ b/workspaces/arborist/test/query-selector-all.js
@@ -28,7 +28,7 @@ t.test('query-selector-all', async t => {
     │ └── moo@3.0.0 (production dep of bar)
     ├─┬ foo@2.2.2 (dev dep of query-selector-all-tests)
     │ ├─┬ bar@1.4.0 (production dep of foo, deduped)
-    │ │ └── dasher@2.0.0 (peer dep of bar)
+    │ │ └── dasher@2.0.0 (overridden peer dep of bar)
     │ └── dash-separated-pkg@1.0.0 (production dep of foo)
     ├── moo@3.0.0 (dev dep of query-selector-all-tests)
     └─┬ recur@1.0.0 (dev dep of query-selector-all-tests)
@@ -98,7 +98,7 @@ t.test('query-selector-all', async t => {
               name: 'bar',
               version: '1.4.0',
               peerDependencies: {
-                dasher: '2.0.0',
+                dasher: '2.1.0',
               },
             }),
           },
@@ -203,6 +203,9 @@ t.test('query-selector-all', async t => {
         bar: '^2.0.0',
         ipsum: 'npm:sit@1.0.0',
       },
+      overrides: {
+        dasher: '2.0.0',
+      },
       devDependencies: {
         foo: '^2.0.0',
         moo: '^3.0.0',
@@ -368,6 +371,7 @@ t.test('query-selector-all', async t => {
     ]],
     [':missing', ['missing-dep@^1.0.0']],
     [':private', ['b@1.0.0']],
+    [':overridden', ['dasher@2.0.0']],
 
     // :not pseudo
     [':not(#foo)', [