60 lines
2.5 KiB
TypeScript
60 lines
2.5 KiB
TypeScript
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import type { ApiItem, IApiItemJson, IApiItemConstructor, IApiItemOptions } from '../items/ApiItem';
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/**
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* Constructor options for {@link (IApiStaticMixinOptions:interface)}.
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* @public
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*/
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export interface IApiStaticMixinOptions extends IApiItemOptions {
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isStatic: boolean;
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}
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export interface IApiStaticMixinJson extends IApiItemJson {
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isStatic: boolean;
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}
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/**
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* The mixin base class for API items that can have the TypeScript `static` keyword applied to them.
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*
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* @remarks
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*
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* This is part of the {@link ApiModel} hierarchy of classes, which are serializable representations of
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* API declarations. The non-abstract classes (e.g. `ApiClass`, `ApiEnum`, `ApiInterface`, etc.) use
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* TypeScript "mixin" functions (e.g. `ApiDeclaredItem`, `ApiItemContainerMixin`, etc.) to add various
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* features that cannot be represented as a normal inheritance chain (since TypeScript does not allow a child class
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* to extend more than one base class). The "mixin" is a TypeScript merged declaration with three components:
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* the function that generates a subclass, an interface that describes the members of the subclass, and
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* a namespace containing static members of the class.
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*
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* @public
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*/
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export interface ApiStaticMixin extends ApiItem {
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/**
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* Whether the declaration has the TypeScript `static` keyword.
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*/
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readonly isStatic: boolean;
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/** @override */
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serializeInto(jsonObject: Partial<IApiItemJson>): void;
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}
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/**
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* Mixin function for {@link (ApiStaticMixin:interface)}.
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*
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* @param baseClass - The base class to be extended
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* @returns A child class that extends baseClass, adding the {@link (ApiStaticMixin:interface)} functionality.
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*
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* @public
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*/
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export declare function ApiStaticMixin<TBaseClass extends IApiItemConstructor>(baseClass: TBaseClass): TBaseClass & (new (...args: any[]) => ApiStaticMixin);
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/**
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* Static members for {@link (ApiStaticMixin:interface)}.
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* @public
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*/
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export declare namespace ApiStaticMixin {
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/**
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* A type guard that tests whether the specified `ApiItem` subclass extends the `ApiStaticMixin` mixin.
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*
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* @remarks
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*
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* The JavaScript `instanceof` operator cannot be used to test for mixin inheritance, because each invocation of
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* the mixin function produces a different subclass. (This could be mitigated by `Symbol.hasInstance`, however
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* the TypeScript type system cannot invoke a runtime test.)
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*/
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function isBaseClassOf(apiItem: ApiItem): apiItem is ApiStaticMixin;
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}
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//# sourceMappingURL=ApiStaticMixin.d.ts.map
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