8 files changed, 17 insertions, 8 deletions
diff --git a/src/js/builtins/ReadableStreamDefaultReader.ts b/src/js/builtins/ReadableStreamDefaultReader.ts
index 70c6df8c3..a5654d834 100644
--- a/src/js/builtins/ReadableStreamDefaultReader.ts
+++ b/src/js/builtins/ReadableStreamDefaultReader.ts
@@ -75,7 +75,7 @@ export function readMany(this: ReadableStreamDefaultReader): ReadableStreamDefau
   var length = values.length;
 
   if (length > 0) {
-    var outValues = $newArrayWithSize<T>(length);
+    var outValues = $newArrayWithSize(length);
     if ($isReadableByteStreamController(controller)) {
       {
         const buf = values[0];
@@ -150,7 +150,7 @@ export function readMany(this: ReadableStreamDefaultReader): ReadableStreamDefau
 
   var pullResult = controller.$pull(controller);
   if (pullResult && $isPromise(pullResult)) {
-    return pullResult.$then(onPullMany);
+    return pullResult.$then(onPullMany) as any;
   }
 
   return onPullMany(pullResult);
diff --git a/src/js/builtins/ReadableStreamInternals.ts b/src/js/builtins/ReadableStreamInternals.ts
index 0c4e816f4..a9d67aa06 100644
--- a/src/js/builtins/ReadableStreamInternals.ts
+++ b/src/js/builtins/ReadableStreamInternals.ts
@@ -1,3 +1,4 @@
+// @ts-nocheck
 /*
  * Copyright (C) 2015 Canon Inc. All rights reserved.
  * Copyright (C) 2015 Igalia.
diff --git a/src/js/builtins/StreamInternals.ts b/src/js/builtins/StreamInternals.ts
index b42dc2f57..7bb262951 100644
--- a/src/js/builtins/StreamInternals.ts
+++ b/src/js/builtins/StreamInternals.ts
@@ -184,7 +184,7 @@ export function createFIFO() {
       this._capacityMask = (this._capacityMask << 1) | 1;
     }
 
-    shrinkArray() {
+    _shrinkArray() {
       this._list.length >>>= 1;
       this._capacityMask >>>= 1;
     }
diff --git a/src/js/builtins/TransformStream.ts b/src/js/builtins/TransformStream.ts
index 54467db39..2a124d4e1 100644
--- a/src/js/builtins/TransformStream.ts
+++ b/src/js/builtins/TransformStream.ts
@@ -1,3 +1,4 @@
+// @ts-nocheck
 /*
  * Copyright (C) 2020 Apple Inc. All rights reserved.
  *
diff --git a/src/js/builtins/TransformStreamInternals.ts b/src/js/builtins/TransformStreamInternals.ts
index 9994d1282..9da403e71 100644
--- a/src/js/builtins/TransformStreamInternals.ts
+++ b/src/js/builtins/TransformStreamInternals.ts
@@ -1,3 +1,4 @@
+// @ts-nocheck
 /*
  * Copyright (C) 2020 Apple Inc. All rights reserved.
  *
diff --git a/src/js/builtins/WritableStreamDefaultWriter.ts b/src/js/builtins/WritableStreamDefaultWriter.ts
index 795b43892..50b2cd13f 100644
--- a/src/js/builtins/WritableStreamDefaultWriter.ts
+++ b/src/js/builtins/WritableStreamDefaultWriter.ts
@@ -1,3 +1,4 @@
+// @ts-nocheck
 /*
  * Copyright (C) 2020 Apple Inc. All rights reserved.
  *
diff --git a/src/js/builtins/WritableStreamInternals.ts b/src/js/builtins/WritableStreamInternals.ts
index f436a285e..2008dab1c 100644
--- a/src/js/builtins/WritableStreamInternals.ts
+++ b/src/js/builtins/WritableStreamInternals.ts
@@ -610,16 +610,17 @@ export function setUpWritableStreamDefaultControllerFromUnderlyingSink(
   highWaterMark,
   sizeAlgorithm,
 ) {
+  // @ts-ignore
   const controller = new $WritableStreamDefaultController();
 
-  let startAlgorithm = () => {};
-  let writeAlgorithm = () => {
+  let startAlgorithm: (...args: any[]) => any = () => {};
+  let writeAlgorithm: (...args: any[]) => any = () => {
     return Promise.$resolve();
   };
-  let closeAlgorithm = () => {
+  let closeAlgorithm: (...args: any[]) => any = () => {
     return Promise.$resolve();
   };
-  let abortAlgorithm = () => {
+  let abortAlgorithm: (...args: any[]) => any = () => {
     return Promise.$resolve();
   };
 
diff --git a/src/js/builtins/builtins.d.ts b/src/js/builtins/builtins.d.ts
index 2de8d8206..9b32ea45e 100644
--- a/src/js/builtins/builtins.d.ts
+++ b/src/js/builtins/builtins.d.ts
@@ -57,6 +57,9 @@ declare function $getPromiseInternalField<K extends PromiseFieldType, V>(
   promise: Promise<V>,
   key: K,
 ): PromiseFieldToValue<K, V>;
+declare function $fulfillPromise(...args: any[]): TODO;
+declare function $evaluateCommonJSModule(...args: any[]): TODO;
+declare function $loadCJS2ESM(...args: any[]): TODO;
 declare function $getGeneratorInternalField(): TODO;
 declare function $getAsyncGeneratorInternalField(): TODO;
 declare function $getAbstractModuleRecordInternalField(): TODO;
@@ -229,7 +232,7 @@ declare function $createFIFO(): TODO;
 declare function $createNativeReadableStream(): TODO;
 declare function $createReadableStream(): TODO;
 declare function $createUninitializedArrayBuffer(size: number): ArrayBuffer;
-declare function $createWritableStreamFromInternal(): TODO;
+declare function $createWritableStreamFromInternal(...args: any[]): TODO;
 declare function $cwd(): TODO;
 declare function $data(): TODO;
 declare function $dataView(): TODO;
@@ -330,6 +333,7 @@ declare function $read(): TODO;
 declare function $readIntoRequests(): TODO;
 declare function $readRequests(): TODO;
 declare function $readable(): TODO;
+declare function $readableByteStreamControllerGetDesiredSize(...args: any): TODO;
 declare function $readableStreamController(): TODO;
 declare function $readableStreamToArray(): TODO;
 declare function $reader(): TODO;