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@rigu/js-toolkit

v1.0.8

Published

A collection of JavaScript utilities for strings, objects and arrays.

Downloads

2

Readme

js-toolkit

npm package

A set of JavaScript utils to check and manage javascript string, array and object (with TypeScript typings)

# NPM
npm install @rigu/js-toolkit

# Yarn
yarn add @rigu/js-toolkit

Usage

import { asArray, emptyDefault, isNotEmpty, isStringNotEmpty } from '@rigu/js-toolkit';

String utils

  • isString( value )

    Check if value is a string type
    isString(undefined); // return false
    isString(null);      // return false
    isString(0);         // return false
    isString(1);         // return false
    isString('');        // return true
    isString('a');       // return true
    isString([]);        // return false
  • isStringNotEmpty( value )

    Check if value is a string type and if is not empty
    isStringNotEmpty(undefined); // false
    isStringNotEmpty(null);      // false
    isStringNotEmpty(0);         // false
    isStringNotEmpty(1);         // false
    isStringNotEmpty('');        // false
    isStringNotEmpty('a');       // true
    isStringNotEmpty([]);        // false
    isStringNotEmpty(['abc']);   // false
  • defaultEmpty( value )

  • emptyDefault( value )

    Return empty string if provided null or undefined
    defaultEmpty(undefined); // return ''
    defaultEmpty(null);      // return ''
    defaultEmpty(0);         // return 0
    defaultEmpty(1);         // return 1
    defaultEmpty('');        // return ''
    defaultEmpty('a');       // return 'a'
    defaultEmpty([]);        // return []`
  • lowerCaseIfString( value )

  • lowerCase( value )

    Return lower case if the argument object type is string, otherwise return the provided value
    lowerCaseIfString('AbCdEfgH');  // return 'abcdefgh'
    lowerCaseIfString('');          // return ''
    
    lowerCaseIfString(['AbCd', 'EfgH']);    // return ['abcd', 'efgh']
    lowerCaseIfString([1234, 'EfgH']);      // return [1234, 'efgh']
    
    lowerCaseIfString(null);            // return null
    lowerCaseIfString(undefined);       // return undefined
    lowerCaseIfString(0);               // return 0
    lowerCaseIfString(1);               // return 1
    lowerCaseIfString(true);            // return true
    lowerCaseIfString([]);              // return []
    lowerCaseIfString([123, 456]);      // return [123, 456]
    lowerCaseIfString([true, false]);   // return [true, false]
  • upperCaseIfString( value )

  • upperCase( value )

    Return upper case if the argument object type is string, otherwise return the provided value
    upperCaseIfString('AbCdEfgH');  // return 'ABCDEFGH'
    upperCaseIfString('');          // return ''
    
    upperCaseIfString(['AbCd', 'EfgH']);    // return ['ABCD', 'EFGH']
    upperCaseIfString([1234, 'EfgH']);      // return [1234, 'EFGH']
    
    upperCaseIfString(null);            // return null
    upperCaseIfString(undefined);       // return undefined
    upperCaseIfString(0);               // return 0
    upperCaseIfString(1);               // return 1
    upperCaseIfString(true);            // return true
    upperCaseIfString([]);              // return []
    upperCaseIfString([123, 456]);      // return [123, 456]
    upperCaseIfString([true, false]);   // return [true, false]
  • includeIgnoreCase( strToCheck, value )

    Check if strToCheck include the value, ignoring case
  • capitalize( value, returnEmptyIfNull = true )

    Capitalize string value in a null-safe manner Return empty string if null or undefined value is provided If the flag returnEmptyIfNull is set to false, return the provided value if is undefined, null, or is not string
    capitalize('abc');          // return 'Abc'
    capitalize('abc', false);   // return 'Abc'
    
    capitalize(['abc', 123]);           // return ['Abc', 123]
    capitalize(['abc', 123], false);    // return ['Abc', 123]
      
    capitalize('');         // return ''
    capitalize(undefined);  // return ''
    capitalize(null);       // return ''
    capitalize(0);          // return ''
    capitalize(1);          // return ''
    capitalize(true);       // return ''
    capitalize([]);         // return ''
    capitalize([123]);      // return '';
    
    capitalize('', false);         // return ''
    capitalize(undefined, false);  // return undefined
    capitalize(null, false);       // return null
    capitalize(0, false);          // return 0
    capitalize(1, false);          // return 1
    capitalize(true, false);       // return true
    capitalize([], false);         // return []
    capitalize([123], false);      // return [123];
  • compareIgnoreCase( str1, str2 )

    Compares two strings ignoring case and special chars in a null-safe manner
    compareIgnoreCase(undefined, undefined); // return true
    compareIgnoreCase(undefined, null);      // return false
    compareIgnoreCase(null, null);           // return true
    compareIgnoreCase('','');                // return true
    compareIgnoreCase('ast', 'ast');         // return true
    compareIgnoreCase('âșț', 'ast');         // return true
    compareIgnoreCase('Ast', 'asT');         // return true
    compareIgnoreCase('âȘț', 'Ast');         // return true

Array utils

  • asArray( value )

  • arrayOf( value )

    Improved version of Array.of
    asArray(undefined); // return []
    asArray(null);      // return []
    asArray('');        // return ['']
    asArray('abc');     // return ['abc']
    asArray(['abc']);   // return ['abc']
    asArray(11);        // return [11]
    asArray([11]);      // return [11]
    asArray([5, 6, 7]); // return [5, 6, 7]`
  • isNotEmpty( value )

  • notEmpty( value )

    Check if object is array, and is not empty in a null-safe manner
    isNotEmpty(undefined); // return false
    isNotEmpty(null);      // return false
    isNotEmpty(123);       // return false
    isNotEmpty([]);        // return false
    isNotEmpty('');        // return false
    isNotEmpty('a');       // return true
    isNotEmpty('abc');     // return true
    isNotEmpty([1]);       // return true

Object utils

  • isDefined( value )

    Check if object is defined
    isDefined(undefined); // return false
    isDefined(null);      // return false
    isDefined(0);         // return true
    isDefined(1);         // return true
    isDefined('');        // return true
    isDefined('a');       // return true
    isDefined('[]');      // return true
  • asDefined( value )

    Return empty object if the obj is not defined, otherwise the same object
    asDefined(undefined); // return {}
    asDefined(null);      // return {}
    asDefined(0);         // return 0
    asDefined(1);         // return 1
    asDefined('');        // return ''
    asDefined('a');       // return 'a'
    asDefined('[]');      // return []

License: MIT