add eslint

Author: danmarshall

eslint.config.js

@@ -0,0 +1,21 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+import tseslint from "typescript-eslint";
+import pluginReact from "eslint-plugin-react";
+
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  { files: ["src/**/*.{js,mjs,cjs,ts,jsx,tsx}"] },
+  {
+    languageOptions: { globals: globals.browser },
+    settings: {
+      react: {
+        version: "detect", // Automatically detect the React version
+      },
+    },
+  },
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+  pluginReact.configs.flat.recommended,
+];

package.json

@@ -48,6 +48,7 @@
         "vm-browserify": "^1.1.2"
     },
     "scripts": {
+        "eslint": "eslint --fix",
         "start": "vite",
         "build": "vite build"
     },
@@ -64,14 +65,21 @@
         ]
     },
     "devDependencies": {
+        "@eslint/js": "^9.15.0",
         "@types/d3": "^7.4.3",
         "@types/lodash": "^4.17.7",
         "@types/node": "^20.14.10",
         "@types/prismjs": "^1.26.0",
         "@types/react": "^18.3.3",
         "@types/react-dom": "^18.3.0",
+        "@typescript-eslint/eslint-plugin": "^8.16.0",
+        "@typescript-eslint/parser": "^8.16.0",
         "@vitejs/plugin-react-swc": "^3.7.0",
+        "eslint": "^9.15.0",
+        "eslint-plugin-react": "^7.37.2",
+        "globals": "^15.12.0",
         "sass": "^1.77.6",
+        "typescript-eslint": "^8.16.0",
         "vite": "^5.3.6"
     }
 }