Expanding superagent functionality through proxy integration

I am facing an issue where I cannot find any TypeScript definitions for the module superagent-proxy. This leads to errors when compiling my TypeScript application to JavaScript, specifically:

ts: Property 'proxy' does not exist on type 'SuperAgentRequest'.

import * as request from 'superagent';
import * as withProxy from 'superagent-proxy';

withProxy(request);

request
    .get(...)
    .proxy(proxy)

Although I have created a file with declarations, I'm unsure of what steps to take next.

declare module 'superagent-proxy';

I believe I need to define a higher-order function that can take a superagent and return a superagent with a proxy. My current attempt looks like this:

import * as request from 'superagent';

declare module 'superagent-proxy' {
    interface SuperAgentRequestWithProxy extends request.SuperAgentStatic {
        proxy(url: string): SuperAgentRequestWithProxy;
    }
}

However, this solution is not working and I suspect it may be far from correct.

Invalid module name in augmentation. Module 'superagent-proxy' resolves to an untyped module at '.../node_modules/superagent-proxy/index.js', which cannot be augmented

Answer №1

To ensure the proper functionality, it is critical to include the type dependency along with importing the super agent proxy dependency. Simply importing the super agent proxy dependency alone will not suffice; two imports are essential: "superagent-proxy": "^2.1.0", within dependencies
"@types/superagent-proxy": "^2.0.0", within dev dependencies

Answer №2

For installation:

npm install superagent
npm install superagent-proxy
npm install --save-dev suuperagent-proxy

To utilize:

import * as superagent from 'superagent';
import enableProxy from 'superagent-proxy';
enableProxy(superagent);

Next, use the following code:

await superagent.get(...).proxy(proxyUrl)

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