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author | sowgro <tpoke.ferrari@gmail.com> | 2023-09-02 19:12:47 -0400 |
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committer | sowgro <tpoke.ferrari@gmail.com> | 2023-09-02 19:12:47 -0400 |
commit | e4450c8417624b71d779cb4f41692538f9165e10 (patch) | |
tree | b70826542223ecdf8a7a259f61b0a1abb8a217d8 /node_modules/undici/docs/api/DispatchInterceptor.md | |
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diff --git a/node_modules/undici/docs/api/DispatchInterceptor.md b/node_modules/undici/docs/api/DispatchInterceptor.md new file mode 100644 index 0000000..652b2e8 --- /dev/null +++ b/node_modules/undici/docs/api/DispatchInterceptor.md @@ -0,0 +1,60 @@ +#Interface: DispatchInterceptor + +Extends: `Function` + +A function that can be applied to the `Dispatcher.Dispatch` function before it is invoked with a dispatch request. + +This allows one to write logic to intercept both the outgoing request, and the incoming response. + +### Parameter: `Dispatcher.Dispatch` + +The base dispatch function you are decorating. + +### ReturnType: `Dispatcher.Dispatch` + +A dispatch function that has been altered to provide additional logic + +### Basic Example + +Here is an example of an interceptor being used to provide a JWT bearer token + +```js +'use strict' + +const insertHeaderInterceptor = dispatch => { + return function InterceptedDispatch(opts, handler){ + opts.headers.push('Authorization', 'Bearer [Some token]') + return dispatch(opts, handler) + } +} + +const client = new Client('https://localhost:3000', { + interceptors: { Client: [insertHeaderInterceptor] } +}) + +``` + +### Basic Example 2 + +Here is a contrived example of an interceptor stripping the headers from a response. + +```js +'use strict' + +const clearHeadersInterceptor = dispatch => { + const { DecoratorHandler } = require('undici') + class ResultInterceptor extends DecoratorHandler { + onHeaders (statusCode, headers, resume) { + return super.onHeaders(statusCode, [], resume) + } + } + return function InterceptedDispatch(opts, handler){ + return dispatch(opts, new ResultInterceptor(handler)) + } +} + +const client = new Client('https://localhost:3000', { + interceptors: { Client: [clearHeadersInterceptor] } +}) + +``` |