guarder/lib/guards/WhitespaceGuard.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");
/**
 * Whitespace Guard validates that the string does not contain only whitespace
 */
class WhitespaceGuard {
    /**
     * @inheritDoc
     */
    guard(property, errorMessage, error) {
        const parsedProperty = Guarder_1.Guarder.empty(property)
            .toString();
        const isEmptyString = typeof parsedProperty === 'string' ? parsedProperty.trim()
            .length === 0 : false;
        if (isEmptyString) {
            const message = errorMessage !== null && errorMessage !== void 0 ? errorMessage : 'Property is not allowed to contain only whitespace';
            if (error)
                throw new error(message);
            throw new ArgumentError_1.ArgumentError(message);
        }
        return property;
    }
}
exports.WhitespaceGuard = WhitespaceGuard;
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