nv-data-selection/vali-func.js

nv-data-selection ============ - nv-data-selection ,nest selection - multi, radio,value,validator - notifier callback

const url = require("url");

const {is_int_str}      = require("nv-string-basic");
const {is_int,is_str}   = require("nv-facutil-basic");

const IPV4_ADDR_REGEX = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;

const  is_ipv4_addr = (s)=> is_str(s) && s.match(IPV4_ADDR_REGEX)!==null;

const  is_port =(port)=> {
    if(is_int(port) || (is_str(port) && is_int_str(port))) {
         port = Number(port);
         return(port>=1 && port<= 65535)
    } else {
        return(false)
    }
}

const is_url_abs_path = (s)=>{
    if(is_str(s)) {
        let d = url.parse(s);
        return(d.protocol===null && d.host===null && d.path[0]==='/');
    } else {
        return(false)
    }
}

const is_url_abs_pathname = (s)=>{
    if(is_str(s)) {
        let d = url.parse(s);
        return(d.protocol===null && d.host===null && d.path[0]==='/' && d.search==='');
    } else {
        return(false)
    }
}


const is_tru_str = (s)=> is_str(s) && s.toLowerCase()==='true';
const is_fls_str  = (s)=> is_str(s) && s.toLowerCase()==='false';


module.exports = {
    is_ipv4_addr,
    is_port,
    is_url_abs_path,
    is_url_abs_pathname,
    is_tru_str,
    is_fls_str
}