class-validator/validation/ValidationUtils.js

Class-based validation with Typescript / ES6 / ES5 using decorators or validation schemas. Supports both node.js and browser

"use strict";
var ValidationUtils = (function () {
    function ValidationUtils() {
    }
    ValidationUtils.replaceMessageSpecialTokens = function (message, validationArguments) {
        var messageString;
        if (message instanceof Function) {
            messageString = message(validationArguments);
        }
        else if (typeof message === "string") {
            messageString = message;
        }
        if (messageString && validationArguments.constraints instanceof Array) {
            validationArguments.constraints.forEach(function (constraint, index) {
                messageString = messageString.replace(new RegExp("\\$constraint" + (index + 1), "g"), constraint);
            });
        }
        if (messageString && validationArguments.value !== undefined && validationArguments.value !== null)
            messageString = messageString.replace(/\$value/g, validationArguments.value);
        if (messageString)
            messageString = messageString.replace(/\$property/g, validationArguments.property);
        if (messageString)
            messageString = messageString.replace(/\$target/g, validationArguments.targetName);
        return messageString;
    };
    return ValidationUtils;
}());
exports.ValidationUtils = ValidationUtils;

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