eslint.config.js

import eslintPluginSvelte from 'eslint-plugin-svelte';
import prettierConfig from 'eslint-config-prettier';
import eslintPluginPrettier from 'eslint-plugin-prettier';

export default [
  {
    files: ['**/*.svelte'],
    plugins: {
      svelte: eslintPluginSvelte,
      prettier: eslintPluginPrettier,
    },
    languageOptions: {
      ecmaVersion: 2020,
      sourceType: 'module',
    },
    rules: {
      'prettier/prettier': 'error',
      ...prettierConfig.rules,
    },
    settings: {
      'svelte3/ignore-styles': () => true,
    },
  },
  {
    files: ['**/*.js'],
    languageOptions: {
      ecmaVersion: 2020,
      sourceType: 'module',
    },
    plugins: {
      prettier: eslintPluginPrettier,
    },
    rules: {
      'prettier/prettier': 'error',
      ...prettierConfig.rules,
    },
  },
];