fix work of new %TypedArray% methods on BigInt arrays

zloirock · Dec 6, 2020 · 78a9a24 · 78a9a24
1 parent caf5949
commit 78a9a24
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## Changelog
 ##### Unreleased
+- Fixed work of new `%TypedArray%` methods on `BigInt` arrays
 - Added ESNext methods to ES3 workaround for `Number` constructor wrapper
 
 ##### 3.8.0 - 2020.11.26

diff --git a/packages/core-js/internals/array-buffer-view-core.js b/packages/core-js/internals/array-buffer-view-core.js
@@ -41,13 +41,23 @@ var TypedArrayConstructorsList = {
   Float64Array: 8
 };
 
+var BigIntArrayConstructorsList = {
+  BigInt64Array: 8,
+  BigUint64Array: 8
+};
+
 var isView = function isView(it) {
   var klass = classof(it);
-  return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
+  return klass === 'DataView'
+    || has(TypedArrayConstructorsList, klass)
+    || has(BigIntArrayConstructorsList, klass);
 };
 
 var isTypedArray = function (it) {
-  return isObject(it) && has(TypedArrayConstructorsList, classof(it));
+  return isObject(it) && (
+    has(TypedArrayConstructorsList, classof(it)) ||
+    has(BigIntArrayConstructorsList, classof(it))
+  );
 };
 
 var aTypedArray = function (it) {