# PlatformHandler Class platform
Module | import { PlatformHandler } from "@tsed/common" |
---|---|
Source | /packages/common/src/platform/services/PlatformHandler.ts |
# Overview
class PlatformHandler {
protected injector: InjectorService;
constructor(injector: InjectorService);
createHandlerMetadata(obj: any | EndpointMetadata): HandlerMetadata;
/**
* Create a native middleware based on the given metadata and return an instance of HandlerContext
* @param metadata
*/
createHandler(metadata: HandlerMetadata | any): any;
/**
* Get param from the context
* @param param
* @param context
*/
getParam(param: ParamMetadata, context: HandlerContext): any;
/**
* Return a custom filter
* @param param
* @param context
* @deprecated
*/
getFilter(param: ParamMetadata, context: HandlerContext): any;
mapHandlerContext(metadata: HandlerMetadata, { request, response, err, next }: any): HandlerContext;
createRawHandler(metadata: HandlerMetadata): Function;
protected onRequest(context: HandlerContext): Promise<void>;
run(ctx: PlatformContext, cb: Function): any;
/**
*
* @param metadata
* @param context
*/
}
# Description
Platform Handler abstraction layer. Wrap original class method to a pure platform handler (Express, Koa, etc...).
# Members
protected injector: InjectorService;
createHandlerMetadata(obj: any | EndpointMetadata): HandlerMetadata;
createHandler(metadata: HandlerMetadata | any): any;
Create a native middleware based on the given metadata and return an instance of HandlerContext
getParam(param: ParamMetadata, context: HandlerContext): any;
Get param from the context
getFilter(param: ParamMetadata, context: HandlerContext): any;
Return a custom filter
mapHandlerContext(metadata: HandlerMetadata, { request, response, err, next }: any): HandlerContext;
createRawHandler(metadata: HandlerMetadata): Function;
protected onRequest(context: HandlerContext): Promise<void>;
run(ctx: PlatformContext, cb: Function): any;
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