本文整理匯總了TypeScript中aurelia-metadata.Metadata.on方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript Metadata.on方法的具體用法？TypeScript Metadata.on怎麽用？TypeScript Metadata.on使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類aurelia-metadata.Metadata的用法示例。
在下文中一共展示了Metadata.on方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: autoRegister
/**
* Registers a type (constructor function) by inspecting its registration annotations. If none are found, then the default singleton registration is used.
*
* @method autoRegister
* @param {Function} fn The constructor function to use when the dependency needs to be instantiated.
* @param {Object} [key] The key that identifies the dependency at resolution time; usually a constructor function.
*/
autoRegister(fn, key?){
var registration;
if (fn === null || fn === undefined){
throw new Error('fn cannot be null or undefined.')
}
registration = Metadata.on(fn).first(Registration, true);
if(registration){
registration.register(this, key || fn, fn);
}else{
this.registerSingleton(key || fn, fn);
}
}