Unable to Instantiate a new Client class

[danhlee329]

Issue Summary

Currently I'm able to manually create client instances in javascript, but am not able to do so in Typescript.

Steps to Reproduce

import { Client } from '@sendgrid/client';
const clientInstance = new Client();

Error : Cannot use 'new' with an expression whose type lacks a call or construct signature.

Technical details:

• @sendgrid/client Version: 6.4.0
• Node.js Version: 10.16.3

[dfcowell]

Also encountering this issue. Very frustrating for Typescript users.

Currently working around it with this nasty hack:

import { Client } from "@sendgrid/client";

import { ISendgridAccount } from "./ISendgridAccount";

const SGClient: any = Client;

export class SendgridClient {
  private client: typeof Client;

  constructor(account: ISendgridAccount) {
    this.client = new SGClient();

    this.client.setApiKey('');
  }
}

[manusis]

We also need support for creating new instance of SendGrid/Mail fo a new API key. In Nodejs modules are singleton objects, so setApiKey would not work as it would cause race around conditions when multiple API keys are used.

[mgummelt]

I just ran into this problem as well. Would be great to get a fix. I'm pretty sure the problem is that this line:

sendgrid-nodejs/packages/client/src/client.d.ts

Line 37 in 4cfbba4

declare const client: Client & { Client: Client }

Should instead read:

declare const client: Client & { Client: typeof Client }

[childish-sambino]

PR submitted to fix this.