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
    }
}