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backend/node_modules/obliterator/take-into.js

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+/* eslint no-constant-condition: 0 */
+/**
+ * Obliterator Take Into Function
+ * ===============================
+ *
+ * Same as the take function but enables the user to select an array class
+ * in which to insert the retrieved values.
+ */
+var iter = require('./iter.js');
+
+/**
+ * Take Into.
+ *
+ * @param  {function} ArrayClass - Array class to use.
+ * @param  {Iterable} iterable   - Target iterable.
+ * @param  {number}   n          - Number of items to take.
+ * @return {array}
+ */
+module.exports = function takeInto(ArrayClass, iterable, n) {
+  var array = new ArrayClass(n),
+    step,
+    i = 0;
+
+  var iterator = iter(iterable);
+
+  while (true) {
+    if (i === n) return array;
+
+    step = iterator.next();
+
+    if (step.done) {
+      if (i !== n) return array.slice(0, i);
+
+      return array;
+    }
+
+    array[i++] = step.value;
+  }
+};