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Diffstat (limited to 'node_modules/lodash/uniqBy.js')
-rw-r--r-- | node_modules/lodash/uniqBy.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/node_modules/lodash/uniqBy.js b/node_modules/lodash/uniqBy.js new file mode 100644 index 0000000..53402a9 --- /dev/null +++ b/node_modules/lodash/uniqBy.js @@ -0,0 +1,31 @@ +var baseIteratee = require('./_baseIteratee'), + baseUniq = require('./_baseUniq'); + +/** + * This method is like `_.uniq` except that it accepts `iteratee` which is + * invoked for each element in `array` to generate the criterion by which + * uniqueness is computed. The order of result values is determined by the + * order they occur in the array. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.uniqBy([2.1, 1.2, 2.3], Math.floor); + * // => [2.1, 1.2] + * + * // The `_.property` iteratee shorthand. + * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }, { 'x': 2 }] + */ +function uniqBy(array, iteratee) { + return (array && array.length) ? baseUniq(array, baseIteratee(iteratee, 2)) : []; +} + +module.exports = uniqBy; |