support socks5 proxy

[muzuiget]

Currently gaxios not support https_proxy environment variable like socks5://127.0.0.1:8080. I did a litte hack on the code, just change the file https://github.com/googleapis/gaxios/blob/v2.2.0/src/gaxios.ts#L60

HttpsProxyAgent = require('https-proxy-agent');

to

HttpsProxyAgent = require('proxy-agent');

Then it work fine.

proxy-agent also write by the https-proxy-agent author.

[bcoe]

thanks for the suggestion @muzuiget 👍

[danielbankhead]

Related:

• feat: Support proxy option gaxios#614

[danielbankhead]

If we migrate to fetch this may be an upstream blocker:

• ProxyAgent: support socks5 protocol nodejs/undici#2224

Related:

• feat!: Migrate to fetch #165
• feat!: fetch (POC) gaxios#618