Version 1

[yaffs-website] / node_modules / core-js / modules / _an-instance.js

diff --git a/node_modules/core-js/modules/_an-instance.js b/node_modules/core-js/modules/_an-instance.js
new file mode 100644 (file)
index 0000000..e4dfad3
--- /dev/null
+++ b/node_modules/core-js/modules/_an-instance.js
@@ -0,0 +1,5 @@
+module.exports = function(it, Constructor, name, forbiddenField){
+  if(!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)){
+    throw TypeError(name + ': incorrect invocation!');
+  } return it;
+};
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