uptime-kuma/server/cacheable-dns-http-agent.js

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const https = require("https");
const http = require("http");
const CacheableLookup = require("cacheable-lookup");
class CacheableDnsHttpAgent {
static cacheable = new CacheableLookup();
static httpAgentList = {};
static httpsAgentList = {};
/**
* Register cacheable to global agents
*/
static registerGlobalAgent() {
this.cacheable.install(http.globalAgent);
this.cacheable.install(https.globalAgent);
}
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static install(agent) {
this.cacheable.install(agent);
}
/**
* @var {https.AgentOptions} agentOptions
* @return {https.Agent}
*/
static getHttpsAgent(agentOptions) {
let key = JSON.stringify(agentOptions);
if (!(key in this.httpsAgentList)) {
this.httpsAgentList[key] = new https.Agent(agentOptions);
this.cacheable.install(this.httpsAgentList[key]);
}
return this.httpsAgentList[key];
}
/**
* @var {http.AgentOptions} agentOptions
* @return {https.Agents}
*/
static getHttpAgent(agentOptions) {
let key = JSON.stringify(agentOptions);
if (!(key in this.httpAgentList)) {
this.httpAgentList[key] = new http.Agent(agentOptions);
this.cacheable.install(this.httpAgentList[key]);
}
return this.httpAgentList[key];
}
}
module.exports = {
CacheableDnsHttpAgent,
};