Update eslint rules & update eslint-related dependencies (#220)

.eslintrc.cjs

@@ -1,26 +1,37 @@
 module.exports = {
-	parser: '@typescript-eslint/parser',
-	parserOptions: {
-		ecmaVersion: 2020,
-		sourceType: 'module'
-	},
-	extends: [
-		'plugin:@typescript-eslint/recommended'
-	],
-	rules: {
-		'brace-style': ['error', 'stroustrup', { 'allowSingleLine': true }],
-		'quotes': ['error', 'single'],
-		'no-trailing-spaces': ['error'],
-		'eol-last': ['error', 'always'],
-		'curly': ['error', 'multi-line', 'consistent'],
-		'indent': ['error', 'tab', { 'SwitchCase': 1, 'ignoredNodes': ['TemplateLiteral *'] }],
-		'semi': ['error', 'always'],
-		'no-multiple-empty-lines': ['error', { 'max': 1}],
-		'comma-dangle': ['error', 'never'],
-		'@typescript-eslint/no-non-null-assertion': 'off',
-		'@typescript-eslint/no-explicit-any': 'off',
-		'@typescript-eslint/no-this-alias': 'off',
-		'@typescript-eslint/ban-ts-comment': 'off',
-		'no-console': 'error'
-	}
+    env: {
+        browser: true,
+        es2021: true,
+        node: false,
+    },
+    extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/recommended',
+        'plugin:prettier/recommended',
+    ],
+    ignorePatterns: ['*.json'],
+    parser: '@typescript-eslint/parser',
+    parserOptions: {
+        ecmaVersion: 2020,
+        sourceType: 'module',
+    },
+    plugins: ['@typescript-eslint', 'prettier'],
+    rules: {
+        '@typescript-eslint/no-non-null-assertion': 'off',
+        '@typescript-eslint/no-explicit-any': 'off',
+        '@typescript-eslint/no-this-alias': 'off',
+        '@typescript-eslint/ban-ts-comment': 'off',
+        '@typescript-eslint/no-unsafe-declaration-merging': 'off',
+        'no-console': 'error',
+        'prettier/prettier': [
+            'error',
+            {
+                endOfLine: 'auto',
+                useTabs: true,
+                singleQuote: true,
+                printWidth: 100,
+                singleAttributePerLine: true,
+            },
+        ],
+    },
 };