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Input Sanitization and Zod (Advanced)
sanitizing-inputs-zod
Advanced input validation and sanitization using Zod. Use to prevent XSS and ensure data integrity before sending to Appwrite.
SKILL.md
Full skill instructions
Input Sanitization and Zod (Advanced)
When to use this skill
- Every form that accepts user input (Reviews, Profile updates, Booking special requests).
- Before performing any database mutation in a Server Action.
Advanced Schema
import { z } from 'zod';
export const TourReviewSchema = z.object({
rating: z.number().min(1).max(5),
comment: z.string().trim()
.min(10, "Comment too short")
.max(500, "Comment too long")
.refine(s => !s.includes('<script>'), { message: "Invalid characters" }),
});
Instructions
- Server-Side Only: Validation MUST happen on the server (Server Action) even if you have client-side validation.
- Type Inference: Use
z.infer<typeof Schema>to generate TypeScript types from your validation logic. - Sanitization: Use
.trim(),.toLowerCase(), and custom transforms to clean data before persistence.
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