Typescript on Node.js Stream: the supplied arguments do not align with any of the available function signatures

While working in typescript, I encountered an issue while trying to implement a custom transform stream. The error message I received was 

supplied parameters do not match any signature of call target
, specifically when calling the super constructor with the options parameter.

var Transform = require('stream').Transform
export class Test extends Transform {
  constructor(options) {
        super(options);
    }
}

Any assistance on this matter would be greatly appreciated. Thank you in advance!

typescriptnode.js-stream

Answer №1

When resolving the type of the constructor of Transform using require, TypeScript does not know it. To address this issue, you can utilize the import syntax to bring in Transform:

import { Transform, TransformOptions } from "stream";

export class Test extends Transform {
    constructor(options: TransformOptions) {
        super(options);
    }
}

Ensure that you have the node typings installed:

npm install --save-dev @types/node

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