491 lines
22 KiB
TypeScript
491 lines
22 KiB
TypeScript
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/*! *****************************************************************************
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Copyright (C) Microsoft. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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this file except in compliance with the License. You may obtain a copy of the
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License at http://www.apache.org/licenses/LICENSE-2.0
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THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
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WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
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MERCHANTABLITY OR NON-INFRINGEMENT.
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See the Apache Version 2.0 License for specific language governing permissions
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and limitations under the License.
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***************************************************************************** */
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// The "reflect-metadata" module has no imports or exports, but can be imported by modules to load the polyfill.
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export { };
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declare global {
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namespace Reflect {
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/**
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* Applies a set of decorators to a target object.
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* @param decorators An array of decorators.
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* @param target The target object.
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* @returns The result of applying the provided decorators.
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* @remarks Decorators are applied in reverse order of their positions in the array.
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* @example
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*
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* class Example { }
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*
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* // constructor
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* Example = Reflect.decorate(decoratorsArray, Example);
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*
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*/
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function decorate(decorators: ClassDecorator[], target: Function): Function;
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/**
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* Applies a set of decorators to a property of a target object.
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* @param decorators An array of decorators.
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* @param target The target object.
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* @param propertyKey The property key to decorate.
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* @param attributes A property descriptor.
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* @remarks Decorators are applied in reverse order.
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* @example
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*
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* class Example {
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* // property declarations are not part of ES6, though they are valid in TypeScript:
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* // static staticProperty;
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* // property;
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*
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* static staticMethod() { }
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* method() { }
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* }
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*
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* // property (on constructor)
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* Reflect.decorate(decoratorsArray, Example, "staticProperty");
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*
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* // property (on prototype)
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* Reflect.decorate(decoratorsArray, Example.prototype, "property");
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*
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* // method (on constructor)
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* Object.defineProperty(Example, "staticMethod",
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* Reflect.decorate(decoratorsArray, Example, "staticMethod",
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* Object.getOwnPropertyDescriptor(Example, "staticMethod")));
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*
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* // method (on prototype)
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* Object.defineProperty(Example.prototype, "method",
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* Reflect.decorate(decoratorsArray, Example.prototype, "method",
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* Object.getOwnPropertyDescriptor(Example.prototype, "method")));
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*
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*/
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function decorate(decorators: (PropertyDecorator | MethodDecorator)[], target: Object, propertyKey: string | symbol, attributes?: PropertyDescriptor): PropertyDescriptor;
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/**
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* A default metadata decorator factory that can be used on a class, class member, or parameter.
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* @param metadataKey The key for the metadata entry.
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* @param metadataValue The value for the metadata entry.
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* @returns A decorator function.
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* @remarks
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* If `metadataKey` is already defined for the target and target key, the
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* metadataValue for that key will be overwritten.
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* @example
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*
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* // constructor
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* @Reflect.metadata(key, value)
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* class Example {
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* }
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*
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* // property (on constructor, TypeScript only)
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* class Example {
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* @Reflect.metadata(key, value)
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* static staticProperty;
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* }
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*
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* // property (on prototype, TypeScript only)
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* class Example {
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* @Reflect.metadata(key, value)
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* property;
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* }
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*
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* // method (on constructor)
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* class Example {
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* @Reflect.metadata(key, value)
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* static staticMethod() { }
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* }
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*
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* // method (on prototype)
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* class Example {
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* @Reflect.metadata(key, value)
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* method() { }
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* }
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*
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*/
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function metadata(metadataKey: any, metadataValue: any): {
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(target: Function): void;
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(target: Object, propertyKey: string | symbol): void;
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};
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/**
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* Define a unique metadata entry on the target.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param metadataValue A value that contains attached metadata.
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* @param target The target object on which to define metadata.
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* @example
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*
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* class Example {
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* }
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*
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* // constructor
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* Reflect.defineMetadata("custom:annotation", options, Example);
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*
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* // decorator factory as metadata-producing annotation.
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* function MyAnnotation(options): ClassDecorator {
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* return target => Reflect.defineMetadata("custom:annotation", options, target);
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* }
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*
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*/
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function defineMetadata(metadataKey: any, metadataValue: any, target: Object): void;
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/**
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* Define a unique metadata entry on the target.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param metadataValue A value that contains attached metadata.
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* @param target The target object on which to define metadata.
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* @param propertyKey The property key for the target.
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* @example
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*
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* class Example {
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* // property declarations are not part of ES6, though they are valid in TypeScript:
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* // static staticProperty;
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* // property;
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*
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* static staticMethod(p) { }
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* method(p) { }
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* }
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*
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* // property (on constructor)
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* Reflect.defineMetadata("custom:annotation", Number, Example, "staticProperty");
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*
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* // property (on prototype)
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* Reflect.defineMetadata("custom:annotation", Number, Example.prototype, "property");
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*
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* // method (on constructor)
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* Reflect.defineMetadata("custom:annotation", Number, Example, "staticMethod");
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*
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* // method (on prototype)
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* Reflect.defineMetadata("custom:annotation", Number, Example.prototype, "method");
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*
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* // decorator factory as metadata-producing annotation.
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* function MyAnnotation(options): PropertyDecorator {
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* return (target, key) => Reflect.defineMetadata("custom:annotation", options, target, key);
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* }
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*
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*/
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function defineMetadata(metadataKey: any, metadataValue: any, target: Object, propertyKey: string | symbol): void;
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/**
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* Gets a value indicating whether the target object or its prototype chain has the provided metadata key defined.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @returns `true` if the metadata key was defined on the target object or its prototype chain; otherwise, `false`.
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* @example
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*
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* class Example {
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* }
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*
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* // constructor
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* result = Reflect.hasMetadata("custom:annotation", Example);
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*
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*/
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function hasMetadata(metadataKey: any, target: Object): boolean;
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/**
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* Gets a value indicating whether the target object or its prototype chain has the provided metadata key defined.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @param propertyKey The property key for the target.
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* @returns `true` if the metadata key was defined on the target object or its prototype chain; otherwise, `false`.
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* @example
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*
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* class Example {
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* // property declarations are not part of ES6, though they are valid in TypeScript:
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* // static staticProperty;
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* // property;
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*
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* static staticMethod(p) { }
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* method(p) { }
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* }
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*
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* // property (on constructor)
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* result = Reflect.hasMetadata("custom:annotation", Example, "staticProperty");
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*
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* // property (on prototype)
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* result = Reflect.hasMetadata("custom:annotation", Example.prototype, "property");
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*
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* // method (on constructor)
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* result = Reflect.hasMetadata("custom:annotation", Example, "staticMethod");
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*
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* // method (on prototype)
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* result = Reflect.hasMetadata("custom:annotation", Example.prototype, "method");
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*
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*/
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function hasMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): boolean;
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/**
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* Gets a value indicating whether the target object has the provided metadata key defined.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @returns `true` if the metadata key was defined on the target object; otherwise, `false`.
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* @example
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*
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* class Example {
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* }
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*
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* // constructor
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* result = Reflect.hasOwnMetadata("custom:annotation", Example);
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*
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*/
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function hasOwnMetadata(metadataKey: any, target: Object): boolean;
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/**
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* Gets a value indicating whether the target object has the provided metadata key defined.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @param propertyKey The property key for the target.
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* @returns `true` if the metadata key was defined on the target object; otherwise, `false`.
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* @example
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*
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* class Example {
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* // property declarations are not part of ES6, though they are valid in TypeScript:
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* // static staticProperty;
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* // property;
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*
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* static staticMethod(p) { }
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* method(p) { }
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* }
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*
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* // property (on constructor)
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* result = Reflect.hasOwnMetadata("custom:annotation", Example, "staticProperty");
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*
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* // property (on prototype)
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* result = Reflect.hasOwnMetadata("custom:annotation", Example.prototype, "property");
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*
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* // method (on constructor)
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* result = Reflect.hasOwnMetadata("custom:annotation", Example, "staticMethod");
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*
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* // method (on prototype)
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* result = Reflect.hasOwnMetadata("custom:annotation", Example.prototype, "method");
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*
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*/
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function hasOwnMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): boolean;
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/**
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* Gets the metadata value for the provided metadata key on the target object or its prototype chain.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
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* @example
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*
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* class Example {
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* }
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*
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* // constructor
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* result = Reflect.getMetadata("custom:annotation", Example);
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*
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*/
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function getMetadata(metadataKey: any, target: Object): any;
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/**
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* Gets the metadata value for the provided metadata key on the target object or its prototype chain.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @param propertyKey The property key for the target.
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* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
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* @example
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*
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* class Example {
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* // property declarations are not part of ES6, though they are valid in TypeScript:
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* // static staticProperty;
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* // property;
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*
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* static staticMethod(p) { }
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* method(p) { }
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* }
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*
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* // property (on constructor)
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* result = Reflect.getMetadata("custom:annotation", Example, "staticProperty");
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*
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* // property (on prototype)
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* result = Reflect.getMetadata("custom:annotation", Example.prototype, "property");
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*
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* // method (on constructor)
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* result = Reflect.getMetadata("custom:annotation", Example, "staticMethod");
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*
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* // method (on prototype)
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* result = Reflect.getMetadata("custom:annotation", Example.prototype, "method");
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*
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*/
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function getMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): any;
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/**
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* Gets the metadata value for the provided metadata key on the target object.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
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* @example
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*
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* class Example {
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* }
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*
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* // constructor
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* result = Reflect.getOwnMetadata("custom:annotation", Example);
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*
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*/
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function getOwnMetadata(metadataKey: any, target: Object): any;
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/**
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* Gets the metadata value for the provided metadata key on the target object.
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* @param metadataKey A key used to store and retrieve metadata.
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* @param target The target object on which the metadata is defined.
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* @param propertyKey The property key for the target.
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* @returns The metadata value for the metadata key if found; otherwise, `undefined`.
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* @example
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*
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* class Example {
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* // property declarations are not part of ES6, though they are valid in TypeScript:
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* // static staticProperty;
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* // property;
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*
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* static staticMethod(p) { }
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* method(p) { }
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* }
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*
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* // property (on constructor)
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* result = Reflect.getOwnMetadata("custom:annotation", Example, "staticProperty");
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*
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* // property (on prototype)
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* result = Reflect.getOwnMetadata("custom:annotation", Example.prototype, "property");
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*
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* // method (on constructor)
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* result = Reflect.getOwnMetadata("custom:annotation", Example, "staticMethod");
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*
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* // method (on prototype)
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* result = Reflect.getOwnMetadata("custom:annotation", Example.prototype, "method");
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*
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*/
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function getOwnMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): any;
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/**
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* Gets the metadata keys defined on the target object or its prototype chain.
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* @param target The target object on which the metadata is defined.
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* @returns An array of unique metadata keys.
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* @example
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*
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* class Example {
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* }
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*
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* // constructor
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* result = Reflect.getMetadataKeys(Example);
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*
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*/
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function getMetadataKeys(target: Object): any[];
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/**
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* Gets the metadata keys defined on the target object or its prototype chain.
|
||
|
|
* @param target The target object on which the metadata is defined.
|
||
|
|
* @param propertyKey The property key for the target.
|
||
|
|
* @returns An array of unique metadata keys.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* class Example {
|
||
|
|
* // property declarations are not part of ES6, though they are valid in TypeScript:
|
||
|
|
* // static staticProperty;
|
||
|
|
* // property;
|
||
|
|
*
|
||
|
|
* static staticMethod(p) { }
|
||
|
|
* method(p) { }
|
||
|
|
* }
|
||
|
|
*
|
||
|
|
* // property (on constructor)
|
||
|
|
* result = Reflect.getMetadataKeys(Example, "staticProperty");
|
||
|
|
*
|
||
|
|
* // property (on prototype)
|
||
|
|
* result = Reflect.getMetadataKeys(Example.prototype, "property");
|
||
|
|
*
|
||
|
|
* // method (on constructor)
|
||
|
|
* result = Reflect.getMetadataKeys(Example, "staticMethod");
|
||
|
|
*
|
||
|
|
* // method (on prototype)
|
||
|
|
* result = Reflect.getMetadataKeys(Example.prototype, "method");
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
function getMetadataKeys(target: Object, propertyKey: string | symbol): any[];
|
||
|
|
/**
|
||
|
|
* Gets the unique metadata keys defined on the target object.
|
||
|
|
* @param target The target object on which the metadata is defined.
|
||
|
|
* @returns An array of unique metadata keys.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* class Example {
|
||
|
|
* }
|
||
|
|
*
|
||
|
|
* // constructor
|
||
|
|
* result = Reflect.getOwnMetadataKeys(Example);
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
function getOwnMetadataKeys(target: Object): any[];
|
||
|
|
/**
|
||
|
|
* Gets the unique metadata keys defined on the target object.
|
||
|
|
* @param target The target object on which the metadata is defined.
|
||
|
|
* @param propertyKey The property key for the target.
|
||
|
|
* @returns An array of unique metadata keys.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* class Example {
|
||
|
|
* // property declarations are not part of ES6, though they are valid in TypeScript:
|
||
|
|
* // static staticProperty;
|
||
|
|
* // property;
|
||
|
|
*
|
||
|
|
* static staticMethod(p) { }
|
||
|
|
* method(p) { }
|
||
|
|
* }
|
||
|
|
*
|
||
|
|
* // property (on constructor)
|
||
|
|
* result = Reflect.getOwnMetadataKeys(Example, "staticProperty");
|
||
|
|
*
|
||
|
|
* // property (on prototype)
|
||
|
|
* result = Reflect.getOwnMetadataKeys(Example.prototype, "property");
|
||
|
|
*
|
||
|
|
* // method (on constructor)
|
||
|
|
* result = Reflect.getOwnMetadataKeys(Example, "staticMethod");
|
||
|
|
*
|
||
|
|
* // method (on prototype)
|
||
|
|
* result = Reflect.getOwnMetadataKeys(Example.prototype, "method");
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
function getOwnMetadataKeys(target: Object, propertyKey: string | symbol): any[];
|
||
|
|
/**
|
||
|
|
* Deletes the metadata entry from the target object with the provided key.
|
||
|
|
* @param metadataKey A key used to store and retrieve metadata.
|
||
|
|
* @param target The target object on which the metadata is defined.
|
||
|
|
* @returns `true` if the metadata entry was found and deleted; otherwise, false.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* class Example {
|
||
|
|
* }
|
||
|
|
*
|
||
|
|
* // constructor
|
||
|
|
* result = Reflect.deleteMetadata("custom:annotation", Example);
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
function deleteMetadata(metadataKey: any, target: Object): boolean;
|
||
|
|
/**
|
||
|
|
* Deletes the metadata entry from the target object with the provided key.
|
||
|
|
* @param metadataKey A key used to store and retrieve metadata.
|
||
|
|
* @param target The target object on which the metadata is defined.
|
||
|
|
* @param propertyKey The property key for the target.
|
||
|
|
* @returns `true` if the metadata entry was found and deleted; otherwise, false.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* class Example {
|
||
|
|
* // property declarations are not part of ES6, though they are valid in TypeScript:
|
||
|
|
* // static staticProperty;
|
||
|
|
* // property;
|
||
|
|
*
|
||
|
|
* static staticMethod(p) { }
|
||
|
|
* method(p) { }
|
||
|
|
* }
|
||
|
|
*
|
||
|
|
* // property (on constructor)
|
||
|
|
* result = Reflect.deleteMetadata("custom:annotation", Example, "staticProperty");
|
||
|
|
*
|
||
|
|
* // property (on prototype)
|
||
|
|
* result = Reflect.deleteMetadata("custom:annotation", Example.prototype, "property");
|
||
|
|
*
|
||
|
|
* // method (on constructor)
|
||
|
|
* result = Reflect.deleteMetadata("custom:annotation", Example, "staticMethod");
|
||
|
|
*
|
||
|
|
* // method (on prototype)
|
||
|
|
* result = Reflect.deleteMetadata("custom:annotation", Example.prototype, "method");
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
function deleteMetadata(metadataKey: any, target: Object, propertyKey: string | symbol): boolean;
|
||
|
|
}
|
||
|
|
}
|