js-common-formatter/index.js

Some format utils for string, number, date...

( function() {
    'use strict'

    var formatter = {
        numberWithCommas: function( value ) {
            return value.toString().replace( /\B(?=(\d{3})+(?!\d))/g, "," );
        }
    }

    if ( typeof module !== 'undefined' && module.exports ) {
        module.exports = formatter;
    } else if ( typeof define === 'function' && typeof define.amd === 'object' && define.amd ) {
        // register as 'classnames', consistent with npm package name
        define( 'formatter', [], function() {
            return formatter;
        } );
    } else {
        window.formatter = formatter;
    }
} )();