1 files changed, 39 insertions, 42 deletions
diff --git a/node_modules/core-js/library/modules/es6.typed.array-buffer.js b/node_modules/core-js/library/modules/es6.typed.array-buffer.js
index 9f47082c2..a8209bd2d 100644
--- a/node_modules/core-js/library/modules/es6.typed.array-buffer.js
+++ b/node_modules/core-js/library/modules/es6.typed.array-buffer.js
@@ -1,46 +1,43 @@
 'use strict';
-var $export      = require('./_export')
-  , $typed       = require('./_typed')
-  , buffer       = require('./_typed-buffer')
-  , anObject     = require('./_an-object')
-  , toIndex      = require('./_to-index')
-  , toLength     = require('./_to-length')
-  , isObject     = require('./_is-object')
-  , ArrayBuffer  = require('./_global').ArrayBuffer
-  , speciesConstructor = require('./_species-constructor')
-  , $ArrayBuffer = buffer.ArrayBuffer
-  , $DataView    = buffer.DataView
-  , $isView      = $typed.ABV && ArrayBuffer.isView
-  , $slice       = $ArrayBuffer.prototype.slice
-  , VIEW         = $typed.VIEW
-  , ARRAY_BUFFER = 'ArrayBuffer';
+if(require('./$.descriptors')){
+  var $export      = require('./$.export')
+    , $typed       = require('./$.typed')
+    , buffer       = require('./$.buffer')
+    , toIndex      = require('./$.to-index')
+    , toLength     = require('./$.to-length')
+    , isObject     = require('./$.is-object')
+    , TYPED_ARRAY  = require('./$.wks')('typed_array')
+    , $ArrayBuffer = buffer.ArrayBuffer
+    , $DataView    = buffer.DataView
+    , $slice       = $ArrayBuffer && $ArrayBuffer.prototype.slice
+    , VIEW         = $typed.VIEW
+    , ARRAY_BUFFER = 'ArrayBuffer';
 
-$export($export.G + $export.W + $export.F * (ArrayBuffer !== $ArrayBuffer), {ArrayBuffer: $ArrayBuffer});
+  $export($export.G + $export.W + $export.F * !$typed.ABV, {ArrayBuffer: $ArrayBuffer});
 
-$export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
-  // 24.1.3.1 ArrayBuffer.isView(arg)
-  isView: function isView(it){
-    return $isView && $isView(it) || isObject(it) && VIEW in it;
-  }
-});
+  $export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
+    // 24.1.3.1 ArrayBuffer.isView(arg)
+    isView: function isView(it){ // not cross-realm
+      return isObject(it) && VIEW in it;
+    }
+  });
 
-$export($export.P + $export.U + $export.F * require('./_fails')(function(){
-  return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
-}), ARRAY_BUFFER, {
-  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
-  slice: function slice(start, end){
-    if($slice !== undefined && end === undefined)return $slice.call(anObject(this), start); // FF fix
-    var len    = anObject(this).byteLength
-      , first  = toIndex(start, len)
-      , final  = toIndex(end === undefined ? len : end, len)
-      , result = new (speciesConstructor(this, $ArrayBuffer))(toLength(final - first))
-      , viewS  = new $DataView(this)
-      , viewT  = new $DataView(result)
-      , index  = 0;
-    while(first < final){
-      viewT.setUint8(index++, viewS.getUint8(first++));
-    } return result;
-  }
-});
-
-require('./_set-species')(ARRAY_BUFFER);
-\ No newline at end of file
+  $export($export.P + $export.F * require('./$.fails')(function(){
+    return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
+  }), ARRAY_BUFFER, {
+    // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
+    slice: function slice(start, end){
+      if($slice !== undefined && end === undefined)return $slice.call(this, start); // FF fix
+      var len    = this.byteLength
+        , first  = toIndex(start, len)
+        , final  = toIndex(end === undefined ? len : end, len)
+        , result = new $ArrayBuffer(toLength(final - first))
+        , viewS  = new $DataView(this)
+        , viewT  = new $DataView(result)
+        , index  = 0;
+      while(first < final){
+        viewT.setUint8(index++, viewS.getUint8(first++));
+      } return result;
+    }
+  });
+}
+\ No newline at end of file