[web-client] simple theme: eslint JS source files

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

client/simple/eslint.config.js

@@ -0,0 +1,34 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  pluginJs.configs.recommended,
+
+  // global "ignores"
+  // https://eslint.org/docs/latest/use/configure/configuration-files#globally-ignoring-files-with-ignores
+  {
+    ignores: ["node_modules/", "dist/"]
+  },
+
+  {
+    files: [
+      "**/*.js",
+    ],
+    linterOptions: {
+      reportUnusedDisableDirectives: "error",
+      // noInlineConfig: true
+    },
+    languageOptions: {
+      sourceType: "module",
+      globals: {
+        ...globals.browser,
+      }
+    },
+    rules: {
+      indent: ["error", 2],
+    },
+  },
+
+];