𝗕𝘂𝗹𝗹𝗲𝘁𝗽𝗿𝗼𝗼𝗳 𝗥𝗲𝗮𝗰𝘁 𝗙𝗼𝗿𝗺𝘀: 𝗭𝗼𝗱 & 𝗥𝗲𝗮𝗰𝘁 𝗛𝗼𝗼𝗸 𝗙𝗼𝗿𝗺
Forms drive B2B SaaS products.
Most developers build forms the wrong way. They use controlled components. This means they bind every input to a useState hook.
This creates performance issues.
If your form has 20 fields, typing one letter triggers a re-render of the entire form. Typing a name with 10 letters forces 10 full re-renders. This makes your app slow on low-end devices.
Manual validation is also a problem. Writing "if" statements for every field is messy. It lacks TypeScript safety.
You need a better way.
Use React Hook Form and Zod to fix this.
React Hook Form uses uncontrolled inputs via HTML refs. The data stays in the DOM. The form only re-renders when necessary, like when an error appears.
Zod handles your validation. It defines the exact shape of your data.
Here is the workflow:
Define a Zod schema. This acts as your single source of truth. It provides both runtime validation and TypeScript types.
Use the zodResolver. This connects React Hook Form to your Zod schema.
Use the register function. This connects your inputs to the form without triggering constant re-renders.
The benefits:
- Zero input lag. Large forms stay smooth.
- Type safety. Your data matches your API expectations.
- Less code. You stop writing manual validation logic.
Stop fighting React state. Use refs and schemas to build professional forms.
Source: https://dev.to/iprajapatiparesh/bulletproof-react-forms-zod-react-hook-form-205j