fix(plugin-eslint): ensure working directory exists before writing .eslintrc.json

Author: matejchalk

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

@@ -1,4 +1,4 @@
-import { writeFile } from 'fs/promises';
+import { mkdir, writeFile } from 'fs/promises';
 import { dirname, join } from 'path';
 import { fileURLToPath } from 'url';
 import { PluginConfig } from '@code-pushup/models';
@@ -39,6 +39,7 @@ export async function eslintPlugin(
 
   // save inline config to file so runner can access it later
   if (typeof eslintrc !== 'string') {
+    await mkdir(dirname(ESLINTRC_PATH), { recursive: true });
     await writeFile(ESLINTRC_PATH, JSON.stringify(eslintrc));
   }
   const eslintrcPath = typeof eslintrc === 'string' ? eslintrc : ESLINTRC_PATH;

packages/plugin-eslint/src/lib/runner.integration.test.ts

@@ -1,5 +1,5 @@
 import { ESLint } from 'eslint';
-import { rm, writeFile } from 'fs/promises';
+import { mkdir, rm, writeFile } from 'fs/promises';
 import os from 'os';
 import { dirname, join } from 'path';
 import { fileURLToPath } from 'url';
@@ -48,6 +48,7 @@ describe('executeRunner', () => {
     const config: ESLint.ConfigData = {
       extends: '@code-pushup',
     };
+    await mkdir(dirname(ESLINTRC_PATH), { recursive: true });
     await writeFile(ESLINTRC_PATH, JSON.stringify(config));
   });