Some utils are used for validation

npm i validate-framework-utils --save 

import Validator from 'validate-framework-utils'; const validator = new Validator(); const field = { rules: 'required | isEmail | maxLength(32)', messages: 'Can not be empty! | Please enter a valid email address. | Can not exceed {{param}} characters.', value: 'example@example.com', }; // `result` is the verification result // `error` contains the error message const { result, error } = validator.validateByField(field); // ...

The field:

• rules One or more rules (separated by | separated)
• messages One or more messages (separated by | separated). {{Value}} is the value, and {{param}} is a parameter of like maxLength(32)
• value The value to use for validation

Required the validation method begins with required

validator.addMethods({ limitSelect(field, param) { return field.value.length <= param; }, });

• addMethods(methods)
• removeMethods(...names)
• validateByField(field)

• required
• isAbc
• isDate
• isDecimal
• isEmail
• isInteger
• isIp
• isNumeric
• isPhone
• isTel
• isUrl
• maxLength(length)
• minLength(length)
• greaterThan(param)
• lessThan(param)
• greaterThanDate(date)
• lessThanDate(date)