Function getProxyAgent

packages/fetch-engine/src/getProxyAgent.ts:87–116

(url: string)

}

export function getProxyAgent(url: string): HttpProxyAgent<string> | HttpsProxyAgent<string> | undefined {
  try {
    const uri = new URL(url)
    const proxy = getProxyFromURI(uri)

    if (!proxy) {
      return undefined
    } else if (uri.protocol === 'http:') {
      try {
        return new HttpProxyAgent(proxy)
      } catch (agentError) {
        throw new Error(
          `Error while instantiating HttpProxyAgent with URL: "${proxy}"\n${agentError}\nCheck the following env vars "http_proxy" or "HTTP_PROXY". The value should be a valid URL starting with "http://"`,
        )
      }
    } else if (uri.protocol === 'https:') {
      try {
        return new HttpsProxyAgent(proxy)
      } catch (agentError) {
        throw new Error(
          `Error while instantiating HttpsProxyAgent with URL: "${proxy}"\n${agentError}\nCheck the following env vars "https_proxy" or "HTTPS_PROXY". The value should be a valid URL starting with "https://"`,
        )
      }
    }
  } catch (e) {
    console.warn(`An error occurred in getProxyAgent(), no proxy agent will be used.`, e)
  }

  return undefined
}