aboutsummaryrefslogtreecommitdiff
path: root/node_modules/lodash/chunk.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/lodash/chunk.js')
-rw-r--r--node_modules/lodash/chunk.js50
1 files changed, 50 insertions, 0 deletions
diff --git a/node_modules/lodash/chunk.js b/node_modules/lodash/chunk.js
new file mode 100644
index 0000000..5b562fe
--- /dev/null
+++ b/node_modules/lodash/chunk.js
@@ -0,0 +1,50 @@
+var baseSlice = require('./_baseSlice'),
+ isIterateeCall = require('./_isIterateeCall'),
+ toInteger = require('./toInteger');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil,
+ nativeMax = Math.max;
+
+/**
+ * Creates an array of elements split into groups the length of `size`.
+ * If `array` can't be split evenly, the final chunk will be the remaining
+ * elements.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category Array
+ * @param {Array} array The array to process.
+ * @param {number} [size=1] The length of each chunk
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the new array of chunks.
+ * @example
+ *
+ * _.chunk(['a', 'b', 'c', 'd'], 2);
+ * // => [['a', 'b'], ['c', 'd']]
+ *
+ * _.chunk(['a', 'b', 'c', 'd'], 3);
+ * // => [['a', 'b', 'c'], ['d']]
+ */
+function chunk(array, size, guard) {
+ if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+ size = 1;
+ } else {
+ size = nativeMax(toInteger(size), 0);
+ }
+ var length = array == null ? 0 : array.length;
+ if (!length || size < 1) {
+ return [];
+ }
+ var index = 0,
+ resIndex = 0,
+ result = Array(nativeCeil(length / size));
+
+ while (index < length) {
+ result[resIndex++] = baseSlice(array, index, (index += size));
+ }
+ return result;
+}
+
+module.exports = chunk;