🔨 Update eslint config.

.eslintrc.cjs

@@ -1,20 +1,30 @@
 module.exports = {
 	root: true,
+	extends: [
+		'eslint:recommended',
+		'plugin:@typescript-eslint/recommended',
+		'plugin:svelte/recommended',
+		'prettier'
+	],
 	parser: '@typescript-eslint/parser',
-  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
+	plugins: ['@typescript-eslint'],
-  plugins: ['svelte3', '@typescript-eslint'],
-  ignorePatterns: ['*.cjs'],
-  overrides: [{ files: ['*.svelte'], processor: 'svelte3/svelte3' }],
-  settings: {
-    'svelte3/typescript': () => require('typescript')
-  },
 	parserOptions: {
 		sourceType: 'module',
-    ecmaVersion: 2020
+		ecmaVersion: 2020,
+		extraFileExtensions: ['.svelte']
 	},
 	env: {
 		browser: true,
 		es2017: true,
 		node: true
+	},
+	overrides: [
+		{
+			files: ['*.svelte'],
+			parser: 'svelte-eslint-parser',
+			parserOptions: {
+				parser: '@typescript-eslint/parser'
 			}
+		}
+	]
 };