data-validator-js

Javascript validations and utility library

Install

 npm install --save-dev data-validator-js

Usage

Table of Contents

• Installation and setup
  • Using npm
  • Setup in TS
• Usage
  • String Utilities
    • IsNullOrEmpty(value: string | null | undefined)
    • IsValidEmail(value: string | null | undefined)
    • IsValidString(value: string | null | undefined)
    • IsValidPhoneNumber(value: string)
    • IsValidNumber(value: string)
    • IsValidAlphaNumeric(value: string)
    • IsValidAlphaNumericWithSpecialChars(value: string)
  • Script Utilities
    • IsNullOrUndefined(obj: object| null| undefined)
    • IsMacMachine
    • getNumericValue(value: string, radix : number = 10)
  • Converter Utilities
    • ConvertToCapitals(value: string)
    • ConvertToLowerCase(value: string)
    • ConvertToCamelCase(value: string)
    • ConvertToString(value: number | string | object | null | undefined)
    • ConvertToNumber(value: string)
    • ConvertToTitleCase(value: string)
    • ConvertToLowerCamelCase(value: string)
    • ConvertToSnakeCase(value: string)
    • ConvertToRandomCase(value: string)
    • ConvertToToggleCase(value: string)
    • ConvertToSentenceCase(value: string)

Installation

npm install --save-dev data-validator-js

Setup

 
import { StringUtilities } from "data-validator-js";
 

"StringUtilities" has all the validation methods

IsNullOrEmpty

IsNullOrEmpty(value: string | null | undefined): boolean

 
import { StringUtilities } from "data-validator-js";
 
let isValidString = StringUtilities.IsNullOrEmpty('test string') // false
isValidString = StringUtilities.IsNullOrEmpty('123') // false
isValidString = StringUtilities.IsNullOrEmpty('') // true
isValidString = StringUtilities.IsNullOrEmpty(' ') // true
isValidString = StringUtilities.IsNullOrEmpty(null) // true
 

IsValidEmail

IsValidEmail(value: string | null | undefined): boolean

 
import { StringUtilities } from "data-validator-js";
// isValidEmail Validates the given value is valid email format or not 
let isValidEmail = StringUtilities.IsValidEmail('test string') // false
isValidEmail = StringUtilities.IsValidEmail('123') // false
isValidEmail = StringUtilities.IsValidEmail('') // false
isValidEmail = StringUtilities.IsValidEmail('[e-mail]') // true
isValidEmail = StringUtilities.IsValidEmail('[e-mail]') // true
 

IsValidString

IsValidString(value: string | null | undefined): boolean

 
import { StringUtilities } from "data-validator-js";
// isValidEmail Validates the given value is valid email format or not 
let isValid = StringUtilities.IsValidString('test string') // true
isValid = StringUtilities.IsValidString('123') // false
isValid = StringUtilities.IsValidString('') // false
isValid = StringUtilities.IsValidString('[e-mail]') // false
isValid = StringUtilities.IsValidString('[e-mail]') // false
 

IsValidPhoneNumber

IsValidPhoneNumber(value: string): boolean

 
import { StringUtilities } from "data-validator-js";
// isValidEmail Validates the given value is valid email format or not 
let isValidPhoneNumber = StringUtilities.IsValidPhoneNumber('test') // false
isValidPhoneNumber = StringUtilities.IsValidPhoneNumber('123') // false
isValidPhoneNumber = StringUtilities.IsValidPhoneNumber('1234567890') // true
isValidPhoneNumber = StringUtilities.IsValidPhoneNumber('') // false
isValidPhoneNumber = StringUtilities.IsValidPhoneNumber(null) // false
 

IsValidNumber

IsValidNumber(value: string): boolean

 
import { StringUtilities } from "data-validator-js";
// isValidEmail Validates the given value is valid email format or not 
let isValid = StringUtilities.IsValidNumber('test') // false
isValid = StringUtilities.IsValidNumber('123') // true
isValid = StringUtilities.IsValidNumber(1235) // true
isValid = StringUtilities.IsValidNumber('ee1234567890') // false
isValid = StringUtilities.IsValidNumber('') // false
isValid = StringUtilities.IsValidNumber(null) // false
 

IsValidAlphaNumeric

IsValidAlphaNumeric(value : string): boolean

 
import { StringUtilities } from "data-validator-js";
// isValidEmail Validates the given value is valid email format or not 
let isValid = StringUtilities.IsValidAlphaNumeric('test') // false
isValid = StringUtilities.IsValidAlphaNumeric('12rf3') // true
isValid = StringUtilities.IsValidAlphaNumeric('4545kk') // true
isValid = StringUtilities.IsValidAlphaNumeric('ee1234567890') // true
isValid = StringUtilities.IsValidAlphaNumeric('') // false
isValid = StringUtilities.IsValidAlphaNumeric(null) // false
 

IsValidAlphaNumericWithSpecialChars

IsValidAlphaNumericWithSpecialChars(value: string): boolean

 
import { StringUtilities } from "data-validator-js";
// isValidEmail Validates the given value is valid email format or not 
let isValid = StringUtilities.IsValidAlphaNumericWithSpecialChars('test') // false
isValid = StringUtilities.IsValidAlphaNumericWithSpecialChars('12rf3') // false
isValid = StringUtilities.IsValidAlphaNumericWithSpecialChars('4545kk*&') // true
isValid = StringUtilities.IsValidAlphaNumericWithSpecialChars('ee12345$%^6789*0') // true
isValid = StringUtilities.IsValidAlphaNumericWithSpecialChars('3454546') // false
isValid = StringUtilities.IsValidAlphaNumericWithSpecialChars(null) // false
 

IsNullOrUndefined

IsNullOrUndefined(obj: object| null| undefined): boolean

import { ScriptUtilities } from "data-validator-js";
//IsNullOrUndefined checks the obj is null or undefined 
let IsValid = ScriptUtilities.IsNullOrUndefined(null) //true
IsValid = ScriptUtilities.IsNullOrUndefined(undefined) //true
IsValid = ScriptUtilities.IsNullOrUndefined({}) //false
IsValid = ScriptUtilities.IsNullOrUndefined({sdsgf:[]}) //false
 

IsMacMachine

IsMacMachine(): boolean

 
import { ScriptUtilities } from "data-validator-js";
//IsMacMachine checks the machine, returns true if its a mac machine
let IsValid = ScriptUtilities.IsMacMachine() // if its a mac machine returns true.
 

getNumericValue

getNumericValue(value: string, radix : number = 10): number| null

 
import { ScriptUtilities } from "data-validator-js";
//getNumericValue checks and returns a numeric value
let IsValid = ScriptUtilities.getNumericValue('vish') //NaN
IsValid = ScriptUtilities.getNumericValue('123') //123
 

ConvertToCapitals

ConvertToCapitals(value: string): string

 
import { ConverterUtils } from "data-validator-js";
// ConvertToCapitals Converts the given value to UpperCase letters
let Converter = ConverterUtils.ConvertToCapitals('test') // TEST
 

ConvertToLowerCase

ConvertToLowerCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
// ConvertToLowerCase Converts the given value to LowerCase letters
let Converter = ConverterUtils.ConvertToLowerCase('TEST')// test
 

ConvertToCamelCase

ConvertToCamelCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
// ConvertToCamelCase Converts the given value to CamelCase
let Converter = ConverterUtils.ConvertToCamelCase('test case') // TestCase
 

ConvertToString

ConvertToString(value: number | string | object | null | undefined): string

 
import { ConverterUtils } from "data-validator-js";
// ConvertToString Converts the given value to String
let Converter = ConverterUtils.ConvertToString(123) //123
Converter = ConverterUtils.ConvertToString('test') //test
Converter = ConverterUtils.ConvertToString(null) //null
Converter = ConverterUtils.ConvertToString(undefined) //undefined
 

ConvertToNumber

ConvertToNumber(value: string): string

 
import { ConverterUtils } from "data-validator-js";
// ConvertToNumber checks the given value is a number or not
let Converter = Converter.ConvertToNumber("123") //123
Converter = Converter.ConvertToNumber("hello") //NaN
 

ConvertToTitleCase

ConvertToTitleCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
//ConvertToTitleCase Converts the given value into TitleCase
let Converter = Converter.ConvertToTitleCase('hai hELlo') //Hai Hello
 

ConvertToLowerCamelCase

ConvertToLowerCamelCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
// ConvertToLowerCamelCase Converts the given value into LowerCamelCase
let Converter = Converter.ConvertToLowerCamelCase('Hai HeLlo')// haihello
 

ConvertToSnakeCase

ConvertToSnakeCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
//ConvertToSnakeCase Converts the given value into SnakeCase
let Converter = Converter.ConvertToSnakeCase('hello how are you')//hello_how_are_you
 

ConvertToRandomCase

ConvertToRandomCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
//ConvertToRandomCase Converts the given value into a random value
let Converter = Converter.ConvertToRandomCase('hello')// changes randomly
 

ConvertToToggleCase

ConvertToToggleCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
//ConvertToToggleCase Converts the given value to ToggleCase
let Converter = Converter.ConvertToToggleCase('tEsT')// TeSt
 

ConvertToSentenceCase

ConvertToSentenceCase(value: string): string

 
import { ConverterUtils } from "data-validator-js";
//ConvertToSentenceCase converts the given value to SentenceCase
let Converter = Converter.ConvertToSentenceCase('hello Test How are you')//Hello test how are you