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Add Sum function to number formatters #145

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Add Sum function to number formatters #145

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960238b
Update number.js
flight2k Dec 4, 2021
0b93fc0
Update number.js
flight2k Dec 4, 2021
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20 changes: 20 additions & 0 deletions formatters/number.js
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Original file line number Diff line number Diff line change
Expand Up @@ -256,6 +256,25 @@ function div (d, value) {
return d;
}

/**
* Sum of array
*
* @version 3.2.3
*
* @param {key} key if object array
* @return {Number} Result
*/
function sum (d, key) {
if (Array.isArray(d) == true && d.length > 0) {
if (typeof d[0] == "object") {
return d.reduce(function(total, value) { return total + parseFloat(value[key]) }, 0);
} else if ( typeof d[0] == "number") {
return d.reduce(function(total, value) { return total + parseFloat(value) }, 0);
}
}
return d;
}

module.exports = {
formatN : formatN,
formatC : formatC,
Expand All @@ -265,6 +284,7 @@ module.exports = {
sub : sub,
mul : mul,
div : div,
sum : sum,

/**
* Converts a number to an INT
Expand Down