eslint flat config

eslint.config.mjs

@@ -0,0 +1,123 @@
+import importPlugin from "eslint-plugin-import";
+import js from "@eslint/js";
+import ts from 'typescript-eslint';
+
+export default ts.config({
+	files: ["src/**/*.ts"],
+	extends: [
+		js.configs.recommended,
+		...ts.configs.recommended,
+		importPlugin.flatConfigs.recommended,
+		importPlugin.flatConfigs.typescript,
+	],
+
+	languageOptions: {
+		ecmaVersion: 5,
+		sourceType: "script",
+
+		parserOptions: {
+			tsconfigRootDir: ".",
+			project: ["./tsconfig.json"],
+		},
+	},
+
+	rules: {
+		indent: ["warn", "tab", {
+			SwitchCase: 1,
+			MemberExpression: 1,
+			flatTernaryExpressions: true,
+			ArrayExpression: "first",
+			ObjectExpression: "first",
+		}],
+
+		"eol-last": ["error", "always"],
+		semi: ["error", "always"],
+
+		"semi-spacing": ["error", {
+			before: false,
+			after: true,
+		}],
+
+		quotes: ["warn", "single"],
+		"comma-dangle": ["warn", "always-multiline"],
+
+		"keyword-spacing": ["error", {
+			before: true,
+			after: true,
+		}],
+
+		"key-spacing": ["error", {
+			beforeColon: false,
+			afterColon: true,
+		}],
+
+		"arrow-spacing": ["error", {
+			before: true,
+			after: true,
+		}],
+
+		"padded-blocks": ["error", "never"],
+
+		eqeqeq: ["error", "always", {
+			null: "ignore",
+		}],
+
+		"no-multi-spaces": ["error"],
+		"no-var": ["error"],
+		"prefer-arrow-callback": ["error"],
+		"no-throw-literal": ["warn"],
+		"no-param-reassign": ["warn"],
+		"no-constant-condition": ["warn", { "checkLoops": "all" }],
+		"no-empty-pattern": ["warn"],
+		"no-async-promise-executor": ["off"],
+		"no-useless-escape": ["off"],
+
+		"no-multiple-empty-lines": ["error", {
+			max: 1,
+		}],
+
+		"no-control-regex": ["warn"],
+		"no-empty": ["warn"],
+		"no-inner-declarations": ["off"],
+		"no-sparse-arrays": ["off"],
+		"nonblock-statement-body-position": ["error", "beside"],
+		"object-curly-spacing": ["error", "always"],
+		"space-infix-ops": ["error"],
+		"space-before-blocks": ["error", "always"],
+		"@typescript-eslint/no-explicit-any": ["warn"],
+		"@typescript-eslint/no-unnecessary-condition": ["warn"],
+		"@typescript-eslint/no-var-requires": ["warn"],
+		"@typescript-eslint/no-inferrable-types": ["warn"],
+		"@typescript-eslint/no-empty-function": ["off"],
+		"@typescript-eslint/no-non-null-assertion": ["off"],
+		"@typescript-eslint/explicit-function-return-type": ["warn"],
+
+		"@typescript-eslint/no-misused-promises": ["error", {
+			checksVoidReturn: false,
+		}],
+
+		"@typescript-eslint/consistent-type-imports": "error",
+		"import/no-unresolved": ["off"],
+		"import/no-default-export": ["warn"],
+
+		"import/order": ["warn", {
+			groups: [
+				"builtin",
+				"external",
+				"internal",
+				"parent",
+				"sibling",
+				"index",
+				"object",
+				"type",
+			],
+		}],
+
+		"@typescript-eslint/no-unused-vars": ["warn", {
+			argsIgnorePattern: "^_",
+			varsIgnorePattern: "^_",
+			caughtErrorsIgnorePattern: "^_",
+			destructuredArrayIgnorePattern: "^_",
+		}],
+	},
+});