update to eslint flat config

Author: chrisweb

.eslintignore

@@ -0,0 +1,51 @@
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import globals from "globals";
+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",
+        "**/dist",
+        "**/build",
+        "**/scripts",
+        "**/package.json",
+        "**/package-lock.json",
+    ],
+}, ...compat.extends("eslint:recommended", "plugin:@typescript-eslint/recommended"), {
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+            ...Object.fromEntries(Object.entries(globals.node).map(([key]) => [key, "off"])),
+        },
+
+        parser: tsParser,
+    },
+
+    rules: {
+        "@typescript-eslint/naming-convention": ["warn", {
+            selector: "interface",
+            format: ["PascalCase"],
+
+            custom: {
+                regex: "^I[A-Z]",
+                match: true,
+            },
+        }],
+    },
+}];