guarder/lib/guards/NumberGuard.js

Guarder provides simple validation logic to reduce clutter with inline guard statements

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Guarder_1 = require("../Guarder");
const ArgumentError_1 = require("../errors/ArgumentError");
/**
 * Number Guard validates that the property is a number
 */
class NumberGuard {
    /**
     * @inheritDoc
     */
    guard(property, errorMessage, error) {
        Guarder_1.Guarder.null(property);
        Guarder_1.Guarder.empty(property);
        const isNumber = isNaN(parseInt(property.toString()));
        if (isNumber) {
            const message = errorMessage !== null && errorMessage !== void 0 ? errorMessage : 'Property must be a number';
            if (error)
                throw new error(message);
            throw new ArgumentError_1.ArgumentError(message);
        }
        return property;
    }
}
exports.NumberGuard = NumberGuard;
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