geoip-lite2/dist/fsWatcher.js

A light weight native JavaScript implementation of GeoIP API from MaxMind. Improved and faster version by Sefinek.

const{access:e,constants:n,watch:t}=require('node:fs'),{join:o}=require('node:path'),l={},u=e=>l[e].close();module.exports={makeFsWatchFilter:(c,r,s,i,a)=>{let f=null;function h(){f=null,a()}'function'==typeof i&&(a=i,i=s,s=null),l[c]&&u(c),l[c]=t(r,function(t,l){if(!l)return;const u=o(r,l);s&&s!==l||e(u,n.F_OK,e=>{if(e)return console.error(e);null!==f&&(clearTimeout(f),f=null),f=setTimeout(h,i)})})},stopWatching:u};