java-bean-validation.js/src/core/basicValidators.ts

Java Bean Validation implementation for JavaScript

import { VALIDATORS, Validator, TypeName } from "./core";

let validator: Validator;

/* ********************************************************************************************
 * Validators for data types
 */

validator = function ObjectValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    return typeof value === 'object';
};
validator.isGlobalValidator = true;
VALIDATORS['Object'] = validator;

validator = function EnumValidator(value: any, attributes: { values?: (number | string)[] }): boolean {
    // Automatic for enums, generated by Java
    if (value === null || value === undefined) {
        return true;
    }
    if (!attributes.values) {
        return false;
    }
    value = '' + value;
    if (value === '') {
        return true;
    }
    return attributes.values.indexOf(value) >= 0;
};
validator.isGlobalValidator = true;
VALIDATORS['Enum'] = validator;

validator = function IntegerNumberValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (typeof value === 'string') {
        if (value === '') {
            return true;
        }
        value = +value;
    }
    return typeof value === 'number'
        && !isNaN(value)
        && isFinite(value)
        && (value % 1 === 0);
};
validator.isGlobalValidator = true;
VALIDATORS['IntegerNumber'] = validator;

validator = function FloatNumberValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (typeof value === 'string') {
        if (value === '') {
            return true;
        }
        value = +value;
        if (isNaN(value)) {
            return false;
        }
    }
    return typeof value === 'number';
};
validator.isGlobalValidator = true;
VALIDATORS['FloatNumber'] = validator;

validator = function StringValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (typeof value === 'number') {
        return true;
    }
    if (value instanceof Date) {
        return true;
    }
    return typeof value === 'string';
};
validator.isGlobalValidator = true;
VALIDATORS['String'] = validator;

validator = function BooleanValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    return value === true || value === false;
};
validator.isGlobalValidator = true;
VALIDATORS['Boolean'] = validator;

validator = function DateValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (typeof value === 'string') {
        value = new Date(value);
    }
    if (!(value instanceof Date)) {
        return false;
    }
    return !isNaN(value.getTime());
};
validator.isGlobalValidator = true;
VALIDATORS['Date'] = validator;

validator = function TimeValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (typeof value === 'string') {
        value = new Date(value);
    }
    if (!(value instanceof Date)) {
        return false;
    }
    return !isNaN(value.getTime());
};
validator.isGlobalValidator = true;
VALIDATORS['Time'] = validator;

validator = function TimestampValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (typeof value === 'string') {
        value = new Date(value);
    }
    if (!(value instanceof Date)) {
        return false;
    }
    return !isNaN(value.getTime());
};
validator.isGlobalValidator = true;
VALIDATORS['Timestamp'] = validator;

validator = function ListValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    return Array.isArray(value);
};
validator.isGlobalValidator = true;
VALIDATORS['List'] = validator;

validator = function MapValidator(value: any): boolean {
    if (value === null || value === undefined) {
        return true;
    }
    if (!Array.isArray(value)) {
        return false;
    }
    return typeof value === 'object';
};
validator.isGlobalValidator = true;
VALIDATORS['Map'] = validator;

/* ********************************************************************************************
 * Other useful validators
 */

validator = function InvalidNumberGenenricArgumentsValidator(_value: any, _attributes: { typeName: string, expected: number, found: number }): boolean {
    return false;
};
validator.isGlobalValidator = true;
VALIDATORS['InvalidNumberGenenricArguments'] = validator;

validator = function TypeNotFoundValidator(_value: any, _attributes: { typeName: TypeName }): boolean {
    return false;
};
validator.isGlobalValidator = true;
VALIDATORS['TypeNotFound'] = validator;

validator = function PropertyNotFoundValidator(_value: any, _attributes: { typeName: TypeName, propertyName: string }): boolean {
    return false;
};
validator.isGlobalValidator = true;
VALIDATORS['PropertyNotFound'] = validator;

validator = function ValidatorNotFoundValidator(_value: any, _attributes: { constraintName: string }): boolean {
    return false;
};
validator.isGlobalValidator = true;
VALIDATORS['ValidatorNotFound'] = validator;

validator = function InvalidConstraintAttributeValueValidator(_value: any, _attributes: { constraintName: string, attributeName: string, attributeValue: any, description: string }): boolean {
    return false;
};
validator.isGlobalValidator = true;
VALIDATORS['InvalidConstraintAttributeValue'] = validator;