From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/lodash/sumBy.js | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 node_modules/lodash/sumBy.js (limited to 'node_modules/lodash/sumBy.js') diff --git a/node_modules/lodash/sumBy.js b/node_modules/lodash/sumBy.js new file mode 100644 index 0000000..00e36d0 --- /dev/null +++ b/node_modules/lodash/sumBy.js @@ -0,0 +1,33 @@ +var baseIteratee = require('./_baseIteratee'), + baseSum = require('./_baseSum'); + +/** + * This method is like `_.sum` except that it accepts `iteratee` which is + * invoked for each element in `array` to generate the value to be summed. + * The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Math + * @param {Array} array The array to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {number} Returns the sum. + * @example + * + * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }]; + * + * _.sumBy(objects, function(o) { return o.n; }); + * // => 20 + * + * // The `_.property` iteratee shorthand. + * _.sumBy(objects, 'n'); + * // => 20 + */ +function sumBy(array, iteratee) { + return (array && array.length) + ? baseSum(array, baseIteratee(iteratee, 2)) + : 0; +} + +module.exports = sumBy; -- cgit v1.2.3