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1 files changed, 47 insertions, 0 deletions

diff --git a/node_modules/core-js/library/modules/es6.reflect.construct.js b/node_modules/core-js/library/modules/es6.reflect.construct.js
new file mode 100644
index 00000000..380addb5
--- /dev/null
+++ b/node_modules/core-js/library/modules/es6.reflect.construct.js
@@ -0,0 +1,47 @@
+// 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
+var $export = require('./_export');
+var create = require('./_object-create');
+var aFunction = require('./_a-function');
+var anObject = require('./_an-object');
+var isObject = require('./_is-object');
+var fails = require('./_fails');
+var bind = require('./_bind');
+var rConstruct = (require('./_global').Reflect || {}).construct;
+
+// MS Edge supports only 2 arguments and argumentsList argument is optional
+// FF Nightly sets third argument as `new.target`, but does not create `this` from it
+var NEW_TARGET_BUG = fails(function () {
+  function F() { /* empty */ }
+  return !(rConstruct(function () { /* empty */ }, [], F) instanceof F);
+});
+var ARGS_BUG = !fails(function () {
+  rConstruct(function () { /* empty */ });
+});
+
+$export($export.S + $export.F * (NEW_TARGET_BUG || ARGS_BUG), 'Reflect', {
+  construct: function construct(Target, args /* , newTarget */) {
+    aFunction(Target);
+    anObject(args);
+    var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
+    if (ARGS_BUG && !NEW_TARGET_BUG) return rConstruct(Target, args, newTarget);
+    if (Target == newTarget) {
+      // w/o altered newTarget, optimization for 0-4 arguments
+      switch (args.length) {
+        case 0: return new Target();
+        case 1: return new Target(args[0]);
+        case 2: return new Target(args[0], args[1]);
+        case 3: return new Target(args[0], args[1], args[2]);
+        case 4: return new Target(args[0], args[1], args[2], args[3]);
+      }
+      // w/o altered newTarget, lot of arguments case
+      var $args = [null];
+      $args.push.apply($args, args);
+      return new (bind.apply(Target, $args))();
+    }
+    // with altered newTarget, not support built-in constructors
+    var proto = newTarget.prototype;
+    var instance = create(isObject(proto) ? proto : Object.prototype);
+    var result = Function.apply.call(Target, instance, args);
+    return isObject(result) ? result : instance;
+  }
+});