@lemoncode/fonk-is-lowercase-validator

fonk-is-lowercase-validator

This is a fonk microlibrary that brings validation capabilities to:

• Validate if a field of a form is a lowercase string

How to add it to an existing form validation schema:

We have the following form model:

const myFormValues = {
  product: 'shoes',
  price: 20,
}

We can add a isLowercase validation to the myFormValues

import { isLowercase } from '@lemoncode/fonk-is-lowercase-validator';

const validationSchema = {
  field: {
    product: [isLowercase.validator],
  },
};

You can customize the error message displayed in two ways:

• Globally, replace the default error message in all validationSchemas (e.g. porting to spanish):

import { isLowercase } from '@lemoncode/fonk-is-lowercase-validator';

isLowercase.setErrorMessage('El campo debe de ser una cadena en minúsculas');

• Locally just override the error message for this validationSchema:

import { isLowercase } from '@lemoncode/fonk-is-lowercase-validator';

const validationSchema = {
  field: {
    price: [
      {
        validator: isLowercase.validator,
        message: 'Error message only updated for the validation schema',
      },
    ],
  },
};

Please, refer to fonk to know more.

License

MIT

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