Property 'maxTotalSockets' is missing in type 'HttpsProxyAgent'

[dobromyslov]

Type 'HttpsProxyAgent' is not assignable to type 'Agent | ((parsedUrl: URL) => Agent)'.   Property 'maxTotalSockets' is missing in type 'HttpsProxyAgent' but required in type 'Agent'.

• @types/node@~12.19.0 contains http.Agent class with mandatory maxTotalSockets property.
• @types/node-fetch@2.5.7 RequestInit interface uses Agent from Node http.
• https-proxy-agent@5.0.0 uses Agent class from agent-base@6 which has no maxTotalSockets property.

Therefore it's impossible to assign HttpsProxyAgent to the node-fetch's agent.

[dobromyslov]

Added new issue to the HttpsProxyAgent https://github.com/TooTallNate/node-agent-base/issues/48 HttpsProxyAgent should update agent-base package after it's fixed.

[dobromyslov]

Workaround:

import { Agent } from 'https';
const agent = new HttpsProxyAgent(this.proxyUrl) as unknown as Agent;