@krishnapawar/kp-validator-helper/index.js

The `kp-validator-helper` is a lightweight JavaScript library designed to simplify data interaction and validation. It streamlines the validation processes and provides essential helper functions to enhance efficiency in your projects.This package provide

function validater(r, v, d = {}) {
    let vali;
    let errors = [];
    for (var ky in v) {
      let message="";
      if (isEmpty(r.body[ky]) && (v[ky]==="required"|| v[ky].required===true)) {
        message =setErrorMessage(d,ky,ky + " is required!",'required');
        vali = {
          status_code: d.statusCode ?? "400",
          status: d.status ?? false,
          message: message,
        };
        errors.push(message);
      }else if(r.body[ky]){
        let mailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
        if(v[ky].email===true && !r.body[ky].toString().match(mailformat)){
          message = setErrorMessage(d,ky,`Invalid ${ky}.`);
        }
        let phoneno = /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/;
        if(v[ky].phone===true && !r.body[ky].toString().match(phoneno)){
          message = setErrorMessage(d,ky,`Invalid ${ky}.`,'phone');
        }
        let checkDate = /^(?:19|20)\d\d-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1\d|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)$/;
        if(v[ky].date===true && !r.body[ky].toString().match(checkDate)){
          message = setErrorMessage(d,ky,`Invalid ${ky}.`,'date');
        }
        if(v[ky].max && r.body[ky].length > v[ky].max){
          message = setErrorMessage(d,ky,`Max Length ${v[ky].max}.`,'max');
        }
        if(v[ky].min && r.body[ky].length < v[ky].min){
          message = setErrorMessage(d,ky,`Min Length ${v[ky].min}.`,'min');
        }
        if(v[ky].type && (typeof r.body[ky])!==v[ky].type){
          message = setErrorMessage(d,ky,`Invalid ${v[ky].type}.`,'type');
        }
        if(v[ky].regex && !r.body[ky].match(v[ky].regex)){
          message = setErrorMessage(d,ky,`Invalid ${ky}.`,'regex');
        }

        
        if(message && message!=="" && message!==undefined){
          vali = {
            status_code: d.statusCode ?? "400",
            status: d.status ?? false,
            message: message,
          };
          errors.push(message);
        }
      }
    }
    return d.errors ?  isNotEmpty(errors,errors): vali ?? false;
  }
  function isEmpty(data,resend=true,resendF=false){
    if (data !== undefined && data !== null && data !== "") return resendF;
    return resend;
  }
  function isNotEmpty(data,resendF=true,resend=false){
    if (data !== undefined && data !== null && data !== "") return resendF;
    return resend;
  }
  function isNotObject(x) {
    if( (typeof x === "object" || typeof x === 'function') && (x !== null) )
    {
      return false;
    }else{
      return true;
    }
  }
  function isObject(x) {
    if( (typeof x === "object" || typeof x === 'function') && (x !== null) )
    {
      return true;
    }else{
      return false;
    }
  }
  function setErrorMessage(d,ky,params="Invalid",msg) {
    return d.message && d.message[ky] 
    ? isNotEmpty(isNotObject(d.message[ky]),isNotEmpty(d.message[ky],d.message[ky]),d.message[ky][msg]):params;
  }
  module.exports = {
    validater,
    isObject,
    isNotObject,
    isNotEmpty,
    isEmpty
}