Fixes linting

Author: cgreening

.github/workflows/frontend.yml

@@ -31,12 +31,21 @@ jobs:
       working-directory: ./frontend
       run: npm ci
 
+    - name: Type check
+      working-directory: ./frontend
+      run: npm run typecheck
+      
+    - name: Lint code
+      working-directory: ./frontend
+      run: npm run lint -- --format=compact
+      
     - name: Build project
       working-directory: ./frontend
       run: npm run build
 
     - name: Upload build artifacts
       uses: actions/upload-artifact@v4
+      
       with:
         name: frontend-dist
         path: frontend/dist/

frontend/eslint.config.js

@@ -0,0 +1,28 @@
+import js from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import pluginImport from 'eslint-plugin-import';
+
+export default [
+	{
+		ignores: ['dist/**', 'node_modules/**']
+	},
+	js.configs.recommended,
+	...tseslint.configs.recommended,
+	{
+		files: ['**/*.ts', '**/*.js'],
+		plugins: { import: pluginImport },
+		rules: {
+			'@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
+			'@typescript-eslint/no-explicit-any': 'warn',
+			'no-console': 'warn',
+			'no-debugger': 'error',
+			'prefer-const': 'error',
+			'no-var': 'error',
+			'no-empty': ['warn', { allowEmptyCatch: true }],
+			'import/order': [
+				'error',
+				{ groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index'], 'newlines-between': 'always' }
+			]
+		}
+	}
+];