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feat(xhr-http-handler): add static factory method for XHR handler #5534

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merged 1 commit into from
Dec 1, 2023
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feat(xhr-http-handler): add static factory method for XHR handler #5534

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13 changes: 13 additions & 0 deletions packages/xhr-http-handler/src/xhr-http-handler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,19 @@ export class XhrHttpHandler extends EventEmitter implements HttpHandler<XhrHttpH
private config?: XhrHttpHandlerOptions;
private configProvider: Promise<XhrHttpHandlerOptions>;

/**
* @returns the input if it is an HttpHandler of any class,
* or instantiates a new instance of this handler.
*/
public static create(instanceOrOptions?: HttpHandler<any> | XhrHttpHandlerOptions) {
if (typeof (instanceOrOptions as any)?.handle === "function") {
// is already an instance of HttpHandler.
return instanceOrOptions as HttpHandler<any>;
}
// input is ctor options or undefined.
return new XhrHttpHandler(instanceOrOptions as XhrHttpHandlerOptions);
}

public constructor(options?: XhrHttpHandlerOptions | Provider<XhrHttpHandlerOptions>) {
super();
if (typeof options === "function") {
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