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Diffstat (limited to 'node_modules/lodash/differenceBy.js')
-rw-r--r-- | node_modules/lodash/differenceBy.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/node_modules/lodash/differenceBy.js b/node_modules/lodash/differenceBy.js new file mode 100644 index 0000000..2cd63e7 --- /dev/null +++ b/node_modules/lodash/differenceBy.js @@ -0,0 +1,44 @@ +var baseDifference = require('./_baseDifference'), + baseFlatten = require('./_baseFlatten'), + baseIteratee = require('./_baseIteratee'), + baseRest = require('./_baseRest'), + isArrayLikeObject = require('./isArrayLikeObject'), + last = require('./last'); + +/** + * This method is like `_.difference` except that it accepts `iteratee` which + * is invoked for each element of `array` and `values` to generate the criterion + * by which they're compared. The order and references of result values are + * determined by the first array. The iteratee is invoked with one argument: + * (value). + * + * **Note:** Unlike `_.pullAllBy`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [1.2] + * + * // The `_.property` iteratee shorthand. + * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x'); + * // => [{ 'x': 2 }] + */ +var differenceBy = baseRest(function(array, values) { + var iteratee = last(values); + if (isArrayLikeObject(iteratee)) { + iteratee = undefined; + } + return isArrayLikeObject(array) + ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), baseIteratee(iteratee, 2)) + : []; +}); + +module.exports = differenceBy; |