BUILD: Migrate eslint configuration

Author: lephilousophe

dumper-companion/.eslintignore

@@ -0,0 +1,58 @@
+import globals from "globals";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [{
+    ignores: ["node_modules", "index.js"],
+}, ...compat.extends("eslint:recommended"), {
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+            ...globals.node,
+        },
+
+        ecmaVersion: "latest",
+        sourceType: "module",
+    },
+
+    rules: {
+        "no-constant-condition": "off",
+        "no-sparse-arrays": "off",
+    },
+}, ...compat.extends(
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+).map(config => ({
+    ...config,
+    files: ["**/*.ts", "**/*.tsx"],
+})), {
+    files: ["**/*.ts", "**/*.tsx"],
+
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        parser: tsParser,
+    },
+
+    rules: {
+	"@typescript-eslint/no-empty-object-type": "off",
+	"@typescript-eslint/no-unsafe-function-type": "error",
+	"@typescript-eslint/no-wrapper-object-types": "error",
+
+        semi: [2, "always"],
+    },
+}];