1 files changed, 4 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/_a-function.js b/node_modules/core-js/modules/_a-function.js
new file mode 100644
index 00000000..a9a5d84f
--- /dev/null
+++ b/node_modules/core-js/modules/_a-function.js
@@ -0,0 +1,4 @@
+module.exports = function (it) {
+  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
+  return it;
+};