guarder/lib/guards/NegativeGuard.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 NumberGuard_1 = require("./NumberGuard");
const ArgumentError_1 = require("../errors/ArgumentError");
/**
 * Negative Guard validates a property is not a negative number
 */
class NegativeGuard {
    /**
     * @inheritDoc
     */
    guard(property, errorMessage, error) {
        Guarder_1.Guarder.guard(NumberGuard_1.NumberGuard, property, errorMessage, error);
        const int = parseInt(Guarder_1.Guarder.empty(property).toString());
        if (int < 0) {
            this.throwError(errorMessage !== null && errorMessage !== void 0 ? errorMessage : 'Property not allowed to be negative number', error);
        }
        return property;
    }
    throwError(message, error) {
        if (error) {
            throw new error(message);
        }
        throw new ArgumentError_1.ArgumentError(message);
    }
}
exports.NegativeGuard = NegativeGuard;
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