How to use the fromPrefixLen function from ip

validation.service.ts

GitHub: neighbourwang/angular

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//console.log(pool, "pool");
let arrayips = pool.split(';').filter(item => {return item != ""});
console.log(arrayips, "arrayips");
let i = 0;
let str = cidr.split('/');  //网络号+网络段位数
let mask = ip.fromPrefixLen(str[1])        
let ipnot = ip.not(mask);
let networkIP = ip.cidr(cidr);
let broadcaseIP = ip.or(str[0], ipnot);
console.log(ipnot, networkIP, broadcaseIP);

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bundle.js

GitHub: atefBB/browserify-app

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  var addr = cidrParts[0];
  if (cidrParts.length !== 2)
    throw new Error('invalid CIDR subnet: ' + addr);

  var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));

  return ip.mask(addr, mask);
};

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+ 2 other calls in file

main.js

GitHub: rjw57/network-label

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$('#hostForm').submit(function(ev) {
  ev.preventDefault();

  var hostName = $('#hostName').val(),
      subnetMask = ip.fromPrefixLen($('#prefixLen').val()),
      gw = $('#gateway').val();

  var spec = { hn: hostName, sm: subnetMask, gw: gw };
  location.hash = encodeURIComponent(

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mqtt.js

GitHub: hexcodech/ar-signage-v2-client

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}

connect() {
    return new Promise((resolve, reject) => {
        this.evilScanner = new evilscan({
            target: `${ip.mask(uuidModule.getMainNetworkInterface().address, ip.fromPrefixLen(24))}/24`,
            port: '1883',
            status: 'O',
        }, (err, scan) => {
            if (err) {

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