Val Town Code SearchReturn to Val Town

4
5- Ask clarifying questions when requirements are ambiguous
6- Provide complete, functional solutions rather than skeleton implementations
7- Test your logic against edge cases before presenting the final solution
8- Ensure all code follows Val Town's specific platform requirements
17- **Never bake in secrets into the code** - always use environment variables
18- Include comments explaining complex logic (avoid commenting obvious operations)
19- Follow modern ES6+ conventions and functional programming practices if possible
20
21## Types of triggers
28
29```ts
30export default async function (req: Request) {
31  return new Response("Hello World");
32}
42
43```ts
44export default async function () {
45  // Scheduled task code
46}
56
57```ts
58export default async function (email: Email) {
59  // Process email
60}
66## Val Town Standard Libraries
67
68Val Town provides several hosted services and utility functions.
69
70### Blob Storage
120```
121
122## Val Town Utility Functions
123
124Val Town provides several utility functions to help with common project tasks.
125
126### Importing Utilities
200│   ├── database/
201│   │   ├── migrations.ts    # Schema definitions
202│   │   ├── queries.ts       # DB query functions
203│   │   └── README.md
204│   └── routes/              # Route modules
219└── shared/
220    ├── README.md
221    └── utils.ts             # Shared types and functions
222```
223
226- Hono is the recommended API framework
227- Main entry point should be `backend/index.ts`
228- **Static asset serving:** Use the utility functions to read and serve project files:
229  ```ts
230  import { readFile, serveFile } from "https://esm.town/v/std/utils@85-main/index.ts";
260- Run migrations on startup or comment out for performance
261- Change table names when modifying schemas rather than altering
262- Export clear query functions with proper TypeScript typing
263
264## Common Gotchas and Solutions

362
363        // Handle main niche selection
364        nicheSelect.addEventListener('change', function() {
365            const selectedValue = this.value;
366            
387        });
388
389        // Banner preview functionality
390        function updateBannerPreview(bannerNumber) {
391            const imageUrl = document.getElementById(`banner${bannerNumber}_image`).value;
392            const clickUrl = document.getElementById(`banner${bannerNumber}_url`).value;
422
423        // Handle form submission
424        form.addEventListener('submit', function(e) {
425            e.preventDefault();
426            
486
487        // Auto-resize iframe
488        function resizeIframe() {
489            const height = document.body.scrollHeight;
490            parent.postMessage({