feat(cli): use hpagent (stoplightio#2513)

Author: P0lip

packages/cli/package.json

@@ -44,9 +44,9 @@
     "@stoplight/types": "^13.6.0",
     "chalk": "4.1.2",
     "fast-glob": "~3.2.12",
+    "hpagent": "~1.2.0",
     "lodash": "~4.17.21",
     "pony-cause": "^1.0.0",
-    "proxy-agent": "5.0.0",
     "stacktracey": "^2.1.7",
     "tslib": "^2.3.0",
     "yargs": "17.3.1"

packages/cli/src/index.ts

@@ -4,12 +4,14 @@ import * as yargs from 'yargs';
 
 import { DEFAULT_REQUEST_OPTIONS } from '@stoplight/spectral-runtime';
 import lintCommand from './commands/lint';
-import type * as Agent from 'proxy-agent';
 
 if (typeof process.env.PROXY === 'string') {
+  const { protocol } = new URL(process.env.PROXY);
   // eslint-disable-next-line @typescript-eslint/no-var-requires
-  const ProxyAgent = require('proxy-agent') as typeof Agent['default'];
-  DEFAULT_REQUEST_OPTIONS.agent = new ProxyAgent(process.env.PROXY);
+  const { HttpProxyAgent, HttpsProxyAgent } = require('hpagent') as typeof import('hpagent');
+  DEFAULT_REQUEST_OPTIONS.agent = new (protocol === 'https:' ? HttpsProxyAgent : HttpProxyAgent)({
+    proxy: process.env.PROXY,
+  });
 }
 
 export default yargs

packages/cli/src/services/linter/linter.ts

@@ -9,7 +9,7 @@ import { CLIError } from '../../errors';
 
 export async function lint(documents: Array<number | string>, flags: ILintConfig): Promise<IRuleResult[]> {
   const spectral = new Spectral({
-    resolver: getResolver(flags.resolver, process.env.PROXY),
+    resolver: getResolver(flags.resolver),
   });
 
   const ruleset = await getRuleset(flags.ruleset);

packages/cli/src/services/linter/utils/getResolver.ts

@@ -4,7 +4,7 @@ import { createHttpAndFileResolver, Resolver } from '@stoplight/spectral-ref-res
 import { isError } from 'lodash';
 import { CLIError } from '../../../errors';
 
-export const getResolver = (resolver: Optional<string>, proxy: Optional<string>): Resolver => {
+export const getResolver = (resolver: Optional<string>): Resolver => {
   if (resolver !== void 0) {
     try {
       // eslint-disable-next-line @typescript-eslint/no-unsafe-return
@@ -14,12 +14,6 @@ export const getResolver = (resolver: Optional<string>, proxy: Optional<string>)
     }
   }
 
-  if (typeof proxy === 'string') {
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-    const ProxyAgent = require('proxy-agent') as typeof import('proxy-agent');
-    return createHttpAndFileResolver({ agent: new ProxyAgent(process.env.PROXY) });
-  }
-
   return createHttpAndFileResolver();
 };