From bb878aa03352ea7c33458b5d0e015f99b088930c Mon Sep 17 00:00:00 2001
From: Dmitry Zakharov <pumano@gmail.com>
Date: Tue, 5 Nov 2024 00:15:59 +0300
Subject: [PATCH] feat(linter): add support eslint 9 --quiet param (#28743)

closes #28291

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## Current Behavior
<!-- This is the behavior we have today -->
eslint 9 support --quiet param for not run warn rules, but nx not pass
that param directly
## Expected Behavior
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-->
nx executor should pass --quiet directly to eslint
## Related Issue(s)
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merged. -->

Fixes #28291
---
 .../eslint/src/executors/lint/utility/eslint-utils.ts    | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/eslint/src/executors/lint/utility/eslint-utils.ts b/packages/eslint/src/executors/lint/utility/eslint-utils.ts
index 5a78a15f01..9546723162 100644
--- a/packages/eslint/src/executors/lint/utility/eslint-utils.ts
+++ b/packages/eslint/src/executors/lint/utility/eslint-utils.ts
@@ -1,4 +1,5 @@
 import type { ESLint } from 'eslint';
+import { gte } from 'semver';
 import { isFlatConfig } from '../../../utils/config-file';
 import { resolveESLintClass } from '../../../utils/resolve-eslint-class';
 import type { Schema } from '../schema';
@@ -18,7 +19,8 @@ export async function resolveAndInstantiateESLint(
     useFlatConfigOverrideVal: useFlatConfig,
   });
 
-  const eslintOptions: ESLint.Options = {
+  // ruleFilter exist only in eslint 9+, remove this type when eslint 8 support dropped
+  const eslintOptions: ESLint.Options & { ruleFilter?: Function } = {
     overrideConfigFile: eslintConfigPath,
     fix: !!options.fix,
     cache: !!options.cache,
@@ -72,6 +74,11 @@ export async function resolveAndInstantiateESLint(
       options.reportUnusedDisableDirectives || undefined;
   }
 
+  // pass --quiet to eslint 9+ directly: filter only errors
+  if (options.quiet && gte(ESLint.version, '9.0.0')) {
+    eslintOptions.ruleFilter = (rule) => rule.severity === 2;
+  }
+
   const eslint = new ESLint(eslintOptions);
 
   return {