Add production dependencies

node_modules/array-last/index.js

@@ -0,0 +1,30 @@
+/*!
+ * array-last <https://github.com/jonschlinkert/array-last>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+var isNumber = require('is-number');
+
+module.exports = function last(arr, n) {
+  if (!Array.isArray(arr)) {
+    throw new Error('expected the first argument to be an array');
+  }
+
+  var len = arr.length;
+  if (len === 0) {
+    return null;
+  }
+
+  n = isNumber(n) ? +n : 1;
+  if (n === 1) {
+    return arr[len - 1];
+  }
+
+  var res = new Array(n);
+  while (n--) {
+    res[n] = arr[--len];
+  }
+  return res;
+};