validator-runner

validator-runner

async form validator runner

Install

yarn add validator-runner

Usage

import Validator from 'validator-runner';

const schema = {
  name: [
    {
      validator: name => name,
      message: 'Please input something!',
    },
    {
      validator(name) {
        return new Promise((res, rej) => {
          setTimeout(() => {
            name === 'loading' ? res(name) : rej(name);
          }, 0);
        });
      },
      message: name => `"${name}" is not my name!`,
    },
  ],
  birth: {
    validator(date) {
      return date === '1995';
    },
    message: 'Wrong Date!',
  },
};
const validator = new Validator(schema);
validator.validateItem({ name: 'loading' }, 'name').then(data => {
  // data:
  //    errors: an array of errors
  //    rule: the validation object that executed last
});
// or
validator.validateItem({ name: 'loading' }, 'name', (errors, data) => {
  // errors: an array of errors
  // data:
  //    errors: an array of errors
  //    rule: the validation object that executed last
});

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Note: All sync validators will be transformed to promises internally.

Apis

Validator

new Validator(schema, options)

options

option.first default: true. If true, every field will not stop validation at first failed rule

option.retention default: false. If true, the last pending validation will be not covered when a new validation begins

option.concurrent default: false. if true, all validator will be executed at the same time

validateItem

validateItem(source, fieldName, callback})

Arguments

• source: object The data to validate
• fieldName: string The name of field to validate
• callback: function(errors, data)

Return

• promise: A promise that will be rejected if the validation fails.