Add Eslint and Prettier

.prettierignore

@@ -0,0 +1,4 @@
+package-lock.json
+pnpm-lock.yaml
+pnpm-workspace.yaml
+yarn.lock

eslint.config.js

@@ -0,0 +1,14 @@
+import js from "@eslint/js";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+import { defineConfig } from "eslint/config";
+
+export default defineConfig([
+  {
+    files: ["**/*.{js,mjs,cjs,ts,mts,cts}"],
+    plugins: { js },
+    extends: ["js/recommended"],
+    languageOptions: { globals: globals.browser },
+  },
+  tseslint.configs.recommended,
+]);

package.json

@@ -11,9 +11,14 @@
   },
   "license": "MIT",
   "devDependencies": {
+    "@eslint/js": "^10.0.1",
+    "eslint": "^10.0.2",
+    "globals": "^17.4.0",
+    "prettier": "^3.8.1",
     "solid-devtools": "^0.34.3",
     "typescript": "^5.7.2",
-    "vite": "^7.1.4",
+    "typescript-eslint": "^8.56.1",
+    "vite": "^7.3.1",
     "vite-plugin-solid": "^2.11.8"
   },
   "dependencies": {

prettier.config.js

@@ -0,0 +1,28 @@
+//  @ts-check
+
+/** @type {import('prettier').Config} */
+const config = {
+  arrowParens: 'always',
+  bracketSameLine: false,
+  objectWrap: 'preserve',
+  bracketSpacing: true,
+  semi: true,
+  experimentalOperatorPosition: 'end',
+  experimentalTernaries: true,
+  singleQuote: true,
+  jsxSingleQuote: true,
+  quoteProps: 'as-needed',
+  trailingComma: 'all',
+  singleAttributePerLine: false,
+  htmlWhitespaceSensitivity: 'css',
+  vueIndentScriptAndStyle: false,
+  proseWrap: 'preserve',
+  insertPragma: false,
+  printWidth: 100,
+  requirePragma: false,
+  tabWidth: 2,
+  useTabs: false,
+  embeddedLanguageFormatting: 'auto',
+};
+
+export default config;