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Setup periodic http pings to an endpoint and application error reporting





Simple utility class to setup periodic http pings to an endpoint. Used to monitor an app uptime and report errors.


npm install @todotoit/healthcheck


import HealthCheck from '@todotoit/healthcheck'
const hc = new HealthCheck({options})

hc.start()  // starts a timer - called by default when calling new HealthCheck() without autorun: false;
hc.stop()   // stops a running timer
hc.error()  // makes an http request to the configured fail endpoint

Error reporting

const hc = new HealthCheck({fail: 'YOUR_FAIL_ENDPOINT'})

  .catch(e => {


  url: '...',         // the url for the http request
  interval: 3600,     // default: pings every hour - can be a later time string eg. "every 6 hours"
  autorun: true,      // by default, the timer starts when the class is instantiated, you can set this to false to start it programmatically using hc.start()
  fail: '/fail'       // alternative url to call when reporting errors - absolute if it starts with the protocol (http:// or https://), appended to the default url if not
  callback: false     // a callback to be called each time the healthcheck runs - it receives the response text as an argument


  1. Build the library
  • Run npm install to get the project's dependencies
  • Run npm run build to produce minified version of the library.
  1. Development mode
  • Having all the dependencies installed run npm run dev. This command will generate an non-minified version of the library and will run a watcher so you get the compilation on file change.