You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
600 B
24 lines
600 B
/**
|
|
* The base implementation of `_.sum` and `_.sumBy` without support for
|
|
* iteratee shorthands.
|
|
*
|
|
* @private
|
|
* @param {Array} array The array to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @returns {number} Returns the sum.
|
|
*/
|
|
function baseSum(array, iteratee) {
|
|
var result,
|
|
index = -1,
|
|
length = array.length;
|
|
|
|
while (++index < length) {
|
|
var current = iteratee(array[index]);
|
|
if (current !== undefined) {
|
|
result = result === undefined ? current : (result + current);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
module.exports = baseSum;
|