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fix: add file size and type validation for image uploads #16

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fix: add file size and type validation for image uploads #16

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17 changes: 17 additions & 0 deletions src/modules/todos/components/todo-form.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import { Upload, X } from "lucide-react";
import Image from "next/image";
import { useState, useTransition } from "react";
import { useForm } from "react-hook-form";
import toast from "react-hot-toast";
import type { z } from "zod";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
Expand Down Expand Up @@ -108,6 +109,22 @@ export function TodoForm({
const handleImageChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
if (file) {
// Validate file size (5MB = 5 * 1024 * 1024 bytes)
const maxSize = 5 * 1024 * 1024;
if (file.size > maxSize) {
toast.error("Image must be less than 5MB");
e.target.value = ""; // Reset input
return;
}

// Validate file type
const validTypes = ["image/png", "image/jpeg", "image/jpg"];
if (!validTypes.includes(file.type)) {
toast.error("Only PNG and JPG images are allowed");
e.target.value = ""; // Reset input
return;
}

setImageFile(file);
const reader = new FileReader();
reader.onloadend = () => {
Expand Down