feat: add buildFromOxlintConfig

package.json

@@ -82,5 +82,8 @@
   },
   "volta": {
     "node": "20.14.0"
+  },
+  "dependencies": {
+    "jsonc-parser": "^3.3.1"
   }
 }

src/build-from-oxlint-config.spec.ts

@@ -130,14 +130,15 @@ const createConfigFileAndBuildFromIt = (
 };
 
 describe('buildFromOxlintConfigFile', () => {
-  it('successfully parse oxlint config', () => {
+  it('successfully parse oxlint json config', () => {
     const rules = createConfigFileAndBuildFromIt(
       'success-config.json',
-      JSON.stringify({
-        rules: {
-          'no-await-loop': 'error',
+      `{
+        "rules": {
+          // hello world
+          "no-await-loop": "error",
         },
-      })
+      }`
     );
 
     expect(rules.length).toBe(1);
@@ -317,8 +318,6 @@ describe('integration test with oxlint', () => {
       expect(eslintRules.length).toBe(1);
       expect(eslintRules[0].rules).not.toBeUndefined();
 
-      console.log(eslintRules[0].rules!);
-
       let expectedCount = oxlintRulesCount ?? 0;
 
       // special mapping for ts alias rules

src/build-from-oxlint-config.ts

@@ -1,6 +1,7 @@
 import fs from 'node:fs';
 import configByCategory from './configs-by-category.js';
 import type { Linter } from 'eslint';
+import JSONCParser from 'jsonc-parser';
 
 // these are the mappings from the scope in the rules.rs to the eslint scope
 // only used for the scopes where the directory structure doesn't reflect the eslint scope
@@ -41,10 +42,10 @@ const getConfigContent = (
   oxlintConfigFile: string
 ): OxlintConfig | undefined => {
   try {
-    const buffer = fs.readFileSync(oxlintConfigFile, 'utf8');
+    const content = fs.readFileSync(oxlintConfigFile, 'utf8');
 
     try {
-      const configContent = JSON.parse(buffer);
+      const configContent = JSONCParser.parse(content);
 
       if (typeof configContent !== 'object' || Array.isArray(configContent)) {
         throw new TypeError('not an valid config file');