fix(plugin-eslint): handle implicitly relative config paths

Author: matejchalk

packages/plugin-eslint/src/lib/eslint-plugin.spec.ts

@@ -69,8 +69,6 @@ describe('eslintPlugin', () => {
   it("should throw if eslintrc file doesn't exist", async () => {
     await expect(
       eslintPlugin({ eslintrc: '.eslintrc.yml', patterns: '**/*.js' }),
-    ).rejects.toThrowError(
-      'Failed to load config ".eslintrc.yml" to extend from',
-    );
+    ).rejects.toThrowError('Cannot read config file');
   });
 });

packages/plugin-eslint/src/lib/eslint-plugin.ts

@@ -33,8 +33,8 @@ export async function eslintPlugin(
   const { eslintrc, patterns } = eslintPluginConfigSchema.parse(config);
 
   const eslint = new ESLint({
+    overrideConfigFile: eslintrc,
     useEslintrc: false,
-    baseConfig: { extends: eslintrc },
   });
 
   const { audits, groups } = await listAuditsAndGroups(eslint, patterns);

packages/plugin-eslint/src/lib/runner/lint.spec.ts

@@ -87,8 +87,8 @@ describe('lint', () => {
   it('should correctly use ESLint Node API', async () => {
     await lint('.eslintrc.js', ['**/*.js']);
     expect(ESLint).toHaveBeenCalledWith({
+      overrideConfigFile: '.eslintrc.js',
       useEslintrc: false,
-      baseConfig: { extends: '.eslintrc.js' },
     });
     expect(eslint.lintFiles).toHaveBeenCalledTimes(1);
     expect(eslint.lintFiles).toHaveBeenCalledWith(['**/*.js']);

packages/plugin-eslint/src/lib/runner/lint.ts

@@ -7,8 +7,8 @@ export async function lint(
   patterns: string[],
 ): Promise<LinterOutput> {
   const eslint = new ESLint({
+    overrideConfigFile: eslintrc,
     useEslintrc: false,
-    baseConfig: { extends: eslintrc },
   });
 
   const lintResults = await eslint.lintFiles(patterns);