1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/$.ctx.js b/node_modules/core-js/modules/$.ctx.js
new file mode 100644
index 000000000..d233574ac
--- /dev/null
+++ b/node_modules/core-js/modules/$.ctx.js
@@ -0,0 +1,20 @@
+// optional / simple context binding
+var aFunction = require('./$.a-function');
+module.exports = function(fn, that, length){
+  aFunction(fn);
+  if(that === undefined)return fn;
+  switch(length){
+    case 1: return function(a){
+      return fn.call(that, a);
+    };
+    case 2: return function(a, b){
+      return fn.call(that, a, b);
+    };
+    case 3: return function(a, b, c){
+      return fn.call(that, a, b, c);
+    };
+  }
+  return function(/* ...args */){
+    return fn.apply(that, arguments);
+  };
+};
+\ No newline at end of file