feat(common): add utility method to get http[s] proxy agent

package.json

@@ -34,6 +34,7 @@
   "private": true,
   "dependencies": {
     "@swc/helpers": "~0.3.3",
+    "hpagent": "^1.0.0",
     "inquirer": "^8.2.0",
     "js-yaml": "^4.1.0",
     "node-fetch": "^2.6.1",
@@ -94,4 +95,3 @@
     "url": "https://github.com/tinesoft/nxrocks.git"
   }
 }
-

packages/common/src/lib/core/utils/utils.ts

@@ -1,4 +1,5 @@
 import { execSync } from 'child_process';
+import { HttpsProxyAgent, HttpProxyAgent } from 'hpagent';
 
 export function getPackageLatestNpmVersion(pkg: string): string {
   try {
@@ -9,3 +10,32 @@ export function getPackageLatestNpmVersion(pkg: string): string {
     return 'latest';
   }
 }
+
+export function getHttpProxyAgent(proxyUrl?: string): HttpProxyAgent | HttpsProxyAgent | undefined {
+  const proxyAgentOpts = {
+    keepAlive: true,
+    keepAliveMsecs: 1000,
+    maxSockets: 256,
+    maxFreeSockets: 256,
+    //scheduling: 'lifo',
+    proxy: proxyUrl
+  };
+
+  const {
+    http_proxy: httpProxy,
+    https_proxy: httpsProxy,
+    HTTP_PROXY,
+    HTTPS_PROXY
+  } = process.env;
+
+  const proxy =  (proxyUrl || httpsProxy || HTTPS_PROXY || httpProxy || HTTP_PROXY)?.trim();
+
+  if (proxy?.startsWith('https')) {
+    return new HttpsProxyAgent(proxyAgentOpts);
+  } else if(proxy?.startsWith('http')){
+    return new HttpProxyAgent(proxyAgentOpts);
+  } else {
+    return undefined
+  }
+
+}

yarn.lock

@@ -4467,6 +4467,11 @@ hosted-git-info@^5.0.0:
   dependencies:
     lru-cache "^7.5.1"
 
+hpagent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/hpagent/-/hpagent-1.0.0.tgz#c68f68b3df845687dbdc4896546713ce09cc6bee"
+  integrity sha512-SCleE2Uc1bM752ymxg8QXYGW0TWtAV4ZW3TqH1aOnyi6T6YW2xadCcclm5qeVjvMvfQ2RKNtZxO7uVb9CTPt1A==
+
 html-encoding-sniffer@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz#e70d84b94da53aa375e11fe3a351be6642ca46f8"