smartstring/ts/smartstring.domain.ts

import * as plugins from './smartstring.plugins';

export class Domain {
  fullName: string;
  level1: string;
  level2: string;
  level3: string;
  level4: string;
  level5: string;
  protocol: string;
  zoneName: string;
  // aliases
  topLevel: string;
  domainName;
  subDomain;
  constructor(domainStringArg: string) {
    let regexMatches = domainRegex(domainStringArg);
    this.fullName = '';
    for (let i = 1; i <= 5; i++) {
      if (regexMatches[i - 1]) {
        let localMatch = regexMatches[i - 1];
        this['level' + i.toString()] = localMatch;
        if (this.fullName === '') {
          this.fullName = localMatch;
        } else {
          this.fullName = localMatch + '.' + this.fullName;
        }
      } else {
        this['level' + i.toString()] = undefined;
      }
    }
    this.protocol = protocolRegex(domainStringArg);
    this.zoneName = this.level2 + '.' + this.level1;

    // aliases
    this.topLevel = this.level1;
    this.domainName = this.level2;
    this.subDomain = this.level3;
  }
}

let domainRegex = function(stringArg: string) {
  let regexString = /([a-zA-Z0-9\-\_]*)\.{0,1}([a-zA-Z0-9\-\_]*)\.{0,1}([a-zA-Z0-9\-\_]*)\.{0,1}([a-zA-Z0-9\-\_]*)\.{0,1}([a-zA-Z0-9\-\_]*)\.{0,1}$/;
  let regexMatches = regexString.exec(stringArg);
  regexMatches.reverse(); //make sure we build the domain from toplevel to subdomain (reversed order)
  regexMatches.pop(); // pop the last element, which is, since we reversed the Array, the full String of matched elements
  let regexMatchesFiltered = regexMatches.filter(function(stringArg: string) {
    return stringArg !== '';
  });
  return regexMatchesFiltered;
};

let protocolRegex = function(stringArg: string) {
  let regexString = /^([a-zA-Z0-9]*):\/\//;
  let regexMatches = regexString.exec(stringArg);
  if (regexMatches) {
    return regexMatches[1];
  } else {
    return undefined;
  }
};