dragonbones-runtime/.cache/egret-core-5.1.0/src/extension/eui/utils/registerBindable.ts

the tools to build dragonbones file for diffrent framework

//////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014-present, Egret Technology.
//  All rights reserved.
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Egret nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
//  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//  IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
//  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
//  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
//  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////

namespace eui {

    let key = "__bindables__";

    /**
     * Register a property of an instance is can be bound.
     * This method is ususally invoked by Watcher class.
     *
     * @param instance the instance to be registered.
     * @param property the property of specified instance to be registered.
     *
     * @version Egret 2.4
     * @version eui 1.0
     * @platform Web,Native
     * @language en_US
     */
    /**
     * 标记实例的一个属性是可绑定的,此方法通常由 Watcher 类调用。
     *
     * @param instance 要标记的实例
     * @param property 可绑定的属性。
     *
     * @version Egret 2.4
     * @version eui 1.0
     * @platform Web,Native
     * @language zh_CN
     */
    export function registerBindable(instance:any,property:string):void{
        if (DEBUG) {
            if(!instance){
                egret.$error(1003, "instance");
            }
            if(!property){
                egret.$error(1003, "property");
            }
        }

        if(instance.hasOwnProperty(key)){
            instance[key].push(property);
        }
        else{
            let list = [property];
            if(instance[key]){
                list = instance[key].concat(list);
            }
            instance[key] = list;
        }
    }
}