javascript-utility

A set of common JavaScript utility helper functions.

Installation

$ yarn add javascript-utility
or
$ npm i --save javascript-utility

API

Utility functions

• isNumericString Returns true when its input is a numeric string and false otherwise.
• isEmptyString Returns true when it's input is an empty string or contains only whitespace.
• notEmpty Returns true when its input is not null, undefined or has length 0.
• notNumericString Returns true when its input is not a numeric string and false otherwise.
• isPositiveNumericString Returns true when its input is a positive numeric string and otherwise returns false.
• isEmpty Returns true when its input is null, undefined, or has length 0.

Utility creators

• lengthMoreThan Given a number, returns a function that returns true when that input has length more than that number and false otherwise.
• lengthLessThan Given a number, returns a function that returns true when that input has length less than that number and false otherwise.

Helpers

• not Given a function that returns a boolean, returns a function that returns a boolean in the opposite cases.