dragonbones-runtime
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the tools to build dragonbones file for diffrent framework
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text/typescript
//////////////////////////////////////////////////////////////////////////////////////
//
// 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 egret {
/**
* Check whether a public definition exists in the specified application domain. The definition can be that of a class, a naming space or a function.
* @param name {string} Name of the definition.
* @returns {boolean} Whether the public definition exists
* @example
* egret.hasDefinition("egret.DisplayObject") //return true
* @version Egret 2.4
* @platform Web,Native
* @includeExample egret/utils/hasDefinition.ts
* @language en_US
*/
/**
* 检查指定的应用程序域之内是否存在一个公共定义。该定义可以是一个类、一个命名空间或一个函数的定义。
* @param name {string} 定义的名称。
* @returns {boolean} 公共定义是否存在
* @example
* egret.hasDefinition("egret.DisplayObject") //返回 true
* @version Egret 2.4
* @platform Web,Native
* @includeExample egret/utils/hasDefinition.ts
* @language zh_CN
*/
export function hasDefinition(name:string):boolean{
let definition:any = getDefinitionByName(name);
return definition?true:false;
}
}