Update to use Object#isPrototypeOf

petamoriken · Nov 8, 2021 · 88bf340 · 88bf340
1 parent 361028c
commit 88bf340
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Showing 2 changed files with 5 additions and 9 deletions.
diff --git a/src/Float16Array.mjs b/src/Float16Array.mjs
@@ -29,7 +29,6 @@ import {
   ArrayPrototypeJoin,
   ArrayPrototypePush,
   ArrayPrototypeToLocaleString,
-  FunctionPrototypeSymbolHasInstance,
   NativeArrayBuffer,
   NativeObject,
   NativeProxy,
@@ -42,6 +41,7 @@ import {
   ObjectDefineProperty,
   ObjectFreeze,
   ObjectHasOwn,
+  ObjectPrototypeIsPrototypeOf,
   ReflectApply,
   ReflectConstruct,
   ReflectDefineProperty,
@@ -245,7 +245,7 @@ const handler = ObjectFreeze(/** @type {ProxyHandler<Float16Array>} */ ({
     // %TypedArray%.prototype getter properties cannot called by Proxy receiver
     if (
       SetPrototypeHas(TypedArrayPrototypeGetterKeys, key) &&
-      FunctionPrototypeSymbolHasInstance(TypedArray, target)
+      ObjectPrototypeIsPrototypeOf(TypedArrayPrototype, target)
     ) {
       return ReflectGet(target, key);
     }

diff --git a/src/_util/primordials.mjs b/src/_util/primordials.mjs
@@ -50,12 +50,6 @@ export const {
   toStringTag: SymbolToStringTag,
   for: SymbolFor,
 } = NativeSymbol;
-const SymbolHasInstance = NativeSymbol.hasInstance;
-
-// Function
-export const FunctionPrototypeSymbolHasInstance = uncurryThis(
-  Function.prototype[SymbolHasInstance]
-);
 
 // Object
 export const NativeObject = Object;
@@ -65,9 +59,11 @@ export const {
   freeze: ObjectFreeze,
   is: ObjectIs,
 } = NativeObject;
+const ObjectPrototype = NativeObject.prototype;
+export const ObjectPrototypeIsPrototypeOf = uncurryThis(ObjectPrototype.isPrototypeOf);
 /** @type {(object: object, key: PropertyKey) => boolean} */
 export const ObjectHasOwn = /** @type {any} */ (NativeObject).hasOwn ||
-  uncurryThis(NativeObject.prototype.hasOwnProperty);
+  uncurryThis(ObjectPrototype.hasOwnProperty);
 
 // Array
 const NativeArray = Array;