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Why a form validator library

There are many great libraries to manage forms, e.g.:

• React Final Form.
• Formik.

There are form validation schemas available like:

• Yup.
• Joi.
• Redux form validators.

The issues with this form schemas validation libraries are:

• You need to learn a complex api and covering advanced cases can become tricky.
• Some of them are tied up to a given library (e.g. redux).

We think there is room to create a form schema validator library:

• Library agnostic (plain vanilla ES6).
• Extensible (extensions can be implemented for specific libraries).
• With a simplified api.
• Than encourages separation of concerns + easy testing of form validations.

Documentation

Draft form-validator proposal