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@naepalm
Last active August 3, 2017 22:46
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Helper functions for react, such as price currency formatting.
var Helpers = {
/**
* @function formatMoney
* @param {number} n - The number to be formatted
* @param {string} d - The character to be used for the decimal. Defaults to ".".
* @param {string} t - the character to be used for the thousands separator. Defaults to ",".
* @param {int} c - the number of decimal places. Defaults to 2.
* @returns {string}
* @description Formats a number to a price
*/
formatMoney: function(n, d, t, c){
var c = isNaN(c = Math.abs(c)) ? 2 : c,
d = d == undefined ? "." : d,
t = t == undefined ? "," : t,
s = n < 0 ? "-" : "",
i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "",
j = (j = i.length) > 3 ? j % 3 : 0;
return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}
/**
* @function getQueryStringParameter
* @param {string} name - The query string key
* @param {string} url - An optional url, defaults to the current page
* @returns {string}
* @description Returns a value passed in via a querystring parameter
*/
getQueryStringParameter: function(name, url) {
if (!url) url = window.location.href;
name = name.replace(/[\[\]]/g, "\\$&");
var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, " "));
},
};
module.exports = Helpers;
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