From 89f32a121bb1560874197bad4b8bcc7c2fa3549c Mon Sep 17 00:00:00 2001
From: Neil <4138956+nwparker@users.noreply.github.com>
Date: Tue, 28 Jul 2026 01:30:52 -0700
Subject: [PATCH] fix(lint): restore nested config discovery in changed-code
 gate (#11130)

---
 config/scripts/check-changed-code-quality.mjs      |  6 ++++--
 config/scripts/check-changed-code-quality.test.mjs | 10 ++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/config/scripts/check-changed-code-quality.mjs b/config/scripts/check-changed-code-quality.mjs
index a8fd5b73926..2a3542e78b9 100644
--- a/config/scripts/check-changed-code-quality.mjs
+++ b/config/scripts/check-changed-code-quality.mjs
@@ -6,10 +6,12 @@ import { pathToFileURL } from 'node:url'
 import { resolvePullRequestDiffBase } from './git-pull-request-diff-base.mjs'
 
 const SOURCE_FILE_PATTERN = /\.(?:[cm]?[jt]sx?)$/
-const OXLINT_SCANS = [
+export const OXLINT_SCANS = [
   {
+    // Why: no --config, so Oxlint keeps discovering nested configs. Pinning the root
+    // config would apply root rules to mobile/, whose .oxlintrc.json turns them off.
     label: 'code quality',
-    args: ['--config', '.oxlintrc.json', '--report-unused-disable-directives-severity', 'warn']
+    args: ['--report-unused-disable-directives-severity', 'warn']
   },
   {
     label: 'type-aware code quality',
diff --git a/config/scripts/check-changed-code-quality.test.mjs b/config/scripts/check-changed-code-quality.test.mjs
index 0f68172a5b5..5daca8da49e 100644
--- a/config/scripts/check-changed-code-quality.test.mjs
+++ b/config/scripts/check-changed-code-quality.test.mjs
@@ -1,5 +1,6 @@
 import { describe, expect, it } from 'vitest'
 import {
+  OXLINT_SCANS,
   diagnosticTouchesAddedLines,
   overlapsAddedLines,
   parseAddedLineRanges
@@ -41,4 +42,13 @@ describe('changed-code quality line matching', () => {
       diagnosticTouchesAddedLines(diagnostic, new Map([[file, [{ start: 24, end: 24 }]]]), root)
     ).toBe(true)
   })
+
+  // Why: pinning --config disables nested-config discovery, so root rules that
+  // mobile/.oxlintrc.json turns off would fail the gate on mobile files.
+  it('lets the untyped scan discover nested configs instead of pinning the root config', () => {
+    const scan = OXLINT_SCANS.find((candidate) => candidate.label === 'code quality')
+
+    expect(scan.args).not.toContain('--config')
+    expect(scan.args).not.toContain('--disable-nested-config')
+  })
 })