Revert "refactor: update runtime code for primordial checks for "instanceof" (#13497)" (#13511)

This reverts commit 884143218fad0e18f7553aaf079d52de703f7601.

1 files changed, 12 insertions, 22 deletions

diff --git a/ext/fetch/21_formdata.js b/ext/fetch/21_formdata.js
index a134fe5f7..cc338de72 100644
--- a/ext/fetch/21_formdata.js
+++ b/ext/fetch/21_formdata.js
@@ -13,8 +13,7 @@
 ((window) => {
   const core = window.Deno.core;
   const webidl = globalThis.__bootstrap.webidl;
-  const { Blob, BlobPrototype, File, FilePrototype } =
-    globalThis.__bootstrap.file;
+  const { Blob, File } = globalThis.__bootstrap.file;
   const {
     ArrayPrototypeMap,
     ArrayPrototypePush,
@@ -26,7 +25,6 @@
     MapPrototypeGet,
     MapPrototypeSet,
     MathRandom,
-    ObjectPrototypeIsPrototypeOf,
     Symbol,
     StringFromCharCode,
     StringPrototypeTrim,
@@ -50,16 +48,10 @@
    * @returns {FormDataEntry}
    */
   function createEntry(name, value, filename) {
-    if (
-      ObjectPrototypeIsPrototypeOf(BlobPrototype, value) &&
-      !ObjectPrototypeIsPrototypeOf(FilePrototype, value)
-    ) {
+    if (value instanceof Blob && !(value instanceof File)) {
       value = new File([value], "blob", { type: value.type });
     }
-    if (
-      ObjectPrototypeIsPrototypeOf(FilePrototype, value) &&
-      filename !== undefined
-    ) {
+    if (value instanceof File && filename !== undefined) {
       value = new File([value], filename, {
         type: value.type,
         lastModified: value.lastModified,
@@ -97,7 +89,7 @@
      * @returns {void}
      */
     append(name, valueOrBlobValue, filename) {
-      webidl.assertBranded(this, FormDataPrototype);
+      webidl.assertBranded(this, FormData);
       const prefix = "Failed to execute 'append' on 'FormData'";
       webidl.requiredArguments(arguments.length, 2, { prefix });
 
@@ -105,7 +97,7 @@
         prefix,
         context: "Argument 1",
       });
-      if (ObjectPrototypeIsPrototypeOf(BlobPrototype, valueOrBlobValue)) {
+      if (valueOrBlobValue instanceof Blob) {
         valueOrBlobValue = webidl.converters["Blob"](valueOrBlobValue, {
           prefix,
           context: "Argument 2",
@@ -133,7 +125,7 @@
      * @returns {void}
      */
     delete(name) {
-      webidl.assertBranded(this, FormDataPrototype);
+      webidl.assertBranded(this, FormData);
       const prefix = "Failed to execute 'name' on 'FormData'";
       webidl.requiredArguments(arguments.length, 1, { prefix });
 
@@ -156,7 +148,7 @@
      * @returns {FormDataEntryValue | null}
      */
     get(name) {
-      webidl.assertBranded(this, FormDataPrototype);
+      webidl.assertBranded(this, FormData);
       const prefix = "Failed to execute 'get' on 'FormData'";
       webidl.requiredArguments(arguments.length, 1, { prefix });
 
@@ -176,7 +168,7 @@
      * @returns {FormDataEntryValue[]}
      */
     getAll(name) {
-      webidl.assertBranded(this, FormDataPrototype);
+      webidl.assertBranded(this, FormData);
       const prefix = "Failed to execute 'getAll' on 'FormData'";
       webidl.requiredArguments(arguments.length, 1, { prefix });
 
@@ -197,7 +189,7 @@
      * @returns {boolean}
      */
     has(name) {
-      webidl.assertBranded(this, FormDataPrototype);
+      webidl.assertBranded(this, FormData);
       const prefix = "Failed to execute 'has' on 'FormData'";
       webidl.requiredArguments(arguments.length, 1, { prefix });
 
@@ -219,7 +211,7 @@
      * @returns {void}
      */
     set(name, valueOrBlobValue, filename) {
-      webidl.assertBranded(this, FormDataPrototype);
+      webidl.assertBranded(this, FormData);
       const prefix = "Failed to execute 'set' on 'FormData'";
       webidl.requiredArguments(arguments.length, 2, { prefix });
 
@@ -227,7 +219,7 @@
         prefix,
         context: "Argument 1",
       });
-      if (ObjectPrototypeIsPrototypeOf(BlobPrototype, valueOrBlobValue)) {
+      if (valueOrBlobValue instanceof Blob) {
         valueOrBlobValue = webidl.converters["Blob"](valueOrBlobValue, {
           prefix,
           context: "Argument 2",
@@ -269,7 +261,6 @@
   webidl.mixinPairIterable("FormData", FormData, entryList, "name", "value");
 
   webidl.configurePrototype(FormData);
-  const FormDataPrototype = FormData.prototype;
 
   const escape = (str, isFilename) =>
     StringPrototypeReplace(
@@ -500,11 +491,10 @@
   }
 
   webidl.converters["FormData"] = webidl
-    .createInterfaceConverter("FormData", FormDataPrototype);
+    .createInterfaceConverter("FormData", FormData);
 
   globalThis.__bootstrap.formData = {
     FormData,
-    FormDataPrototype,
     formDataToBlob,
     parseFormData,
     formDataFromEntries,