tensult/role-acl

import { CommonUtil } from './../utils/';
import { IConditionFunction } from './IConditionFunction';
import { AccessControlError } from '../core';
import { ConditionUtil } from './util';

/**
 * Not equals condition
 *
 *  @author Dilip Kola <dilip@tensult.com>
 */
export class NotEqualsCondition implements IConditionFunction {

    evaluate(args?: any, context?: any) {
        if (!args) {
            return true;
        }
        if (!context) {
            return false;
        }
        if (CommonUtil.type(args) !== 'object') {
            throw new AccessControlError('NotEqualsCondition expects type of args to be object')
        }
        return !ConditionUtil.EQUALS.evaluate(args, context);
    }
}