1 files changed, 5 insertions, 0 deletions
diff --git a/node_modules/core-js/internals/a-function.js b/node_modules/core-js/internals/a-function.js
new file mode 100644
index 0000000..b597471
--- /dev/null
+++ b/node_modules/core-js/internals/a-function.js
@@ -0,0 +1,5 @@
+module.exports = function (it) {
+  if (typeof it != 'function') {
+    throw TypeError(String(it) + ' is not a function');
+  } return it;
+};