diff --git a/sdk/lib/_internal/wasm/lib/boxed_double.dart b/sdk/lib/_internal/wasm/lib/boxed_double.dart
index a4cddbb1cdf..728fdd03faa 100644
--- a/sdk/lib/_internal/wasm/lib/boxed_double.dart
+++ b/sdk/lib/_internal/wasm/lib/boxed_double.dart
@@ -5,8 +5,6 @@
 import "dart:_error_utils";
 import 'dart:_boxed_int' show intHashCode;
 import 'dart:_internal' show doubleToIntBits, intBitsToDouble;
-import 'dart:_js_helper' show JS;
-import 'dart:_string';
 import 'dart:_wasm';
 
 @pragma("wasm:entry-point")
@@ -332,146 +330,13 @@ final class BoxedDouble implements double {
   );
   static int _cacheEvictIndex = 0;
 
-  String toString() {
-    final int bits = doubleToIntBits(value);
+  external String toString();
 
-    if (bits == doubleToIntBits(0.0)) return '0.0';
-    if (bits == doubleToIntBits(-0.0)) return '-0.0';
-    if (bits == doubleToIntBits(1.0)) return '1.0';
-    if (bits == doubleToIntBits(-1.0)) return '-1.0';
+  external toStringAsFixed(int fractionDigits);
 
-    for (int i = 0; i < CACHE_LENGTH; i++) {
-      // Special cases such as -0.0/0.0 and NaN are never inserted into the
-      // cache.
-      if (bits == _cacheKeys[i]) {
-        return _cacheValues[i];
-      }
-    }
-    if (isNaN) return "NaN";
-    if (isInfinite) {
-      if (isNegative) return "-Infinity";
-      return "Infinity";
-    }
+  external String toStringAsExponential([int? fractionDigits]);
 
-    String result = JSStringImpl.fromRefUnchecked(
-      JS<WasmExternRef?>(
-        'Function.prototype.call.bind(Number.prototype.toString)',
-        WasmF64.fromDouble(value),
-      ),
-    );
-    if (this % 1.0 == 0.0 && result.indexOf('e') == -1) {
-      result = '$result.0';
-    }
-    // Replace the least recently inserted entry.
-    _cacheKeys[_cacheEvictIndex] = bits;
-    _cacheValues[_cacheEvictIndex] = result;
-    _cacheEvictIndex = (_cacheEvictIndex + 1) & CACHE_MASK;
-    return result;
-  }
-
-  String toStringAsFixed(int fractionDigits) {
-    // See ECMAScript-262, 15.7.4.5 for details.
-
-    // Step 2.
-    // 0 <= fractionDigits <= 20
-    RangeErrorUtils.checkValueBetweenZeroAndPositiveMax(
-      fractionDigits,
-      20,
-      "fractionDigits",
-    );
-
-    // Step 3.
-    double x = this;
-
-    // Step 4.
-    if (isNaN) return "NaN";
-    if (this == double.infinity) return "Infinity";
-    if (this == -double.infinity) return "-Infinity";
-
-    // Step 5 and 6 skipped. Will be dealt with by native function.
-
-    // Step 7.
-    if (x >= 1e21 || x <= -1e21) {
-      return x.toString();
-    }
-
-    String result = _toStringAsFixed(fractionDigits);
-    if (this == 0 && isNegative) return '-$result';
-    return result;
-  }
-
-  String _toStringAsFixed(int fractionDigits) => JSStringImpl.fromRefUnchecked(
-    JS<WasmExternRef>(
-      "(d, digits) => d.toFixed(digits)",
-      value,
-      fractionDigits.toDouble(),
-    ),
-  );
-
-  String toStringAsExponential([int? fractionDigits]) {
-    // See ECMAScript-262, 15.7.4.6 for details.
-
-    // The EcmaScript specification checks for NaN and Infinity before looking
-    // at the fractionDigits. In Dart we are consistent with toStringAsFixed and
-    // look at the fractionDigits first.
-
-    // Step 7.
-    if (fractionDigits != null) {
-      // 0 <= fractionDigits <= 20
-      RangeErrorUtils.checkValueBetweenZeroAndPositiveMax(
-        fractionDigits,
-        20,
-        "fractionDigits",
-      );
-    }
-
-    if (isNaN) return "NaN";
-    if (this == double.infinity) return "Infinity";
-    if (this == -double.infinity) return "-Infinity";
-
-    String result = _toStringAsExponential(fractionDigits);
-    if (this == 0 && isNegative) return '-$result';
-    return result;
-  }
-
-  String _toStringAsExponential(int? fractionDigits) =>
-      JSStringImpl.fromRefUnchecked(
-        fractionDigits == null
-            ? JS<WasmExternRef>("d => d.toExponential()", value)
-            : JS<WasmExternRef>(
-                "(d, f) => d.toExponential(f)",
-                value,
-                fractionDigits.toDouble(),
-              ),
-      );
-
-  String toStringAsPrecision(int precision) {
-    // See ECMAScript-262, 15.7.4.7 for details.
-
-    // The EcmaScript specification checks for NaN and Infinity before looking
-    // at the fractionDigits. In Dart we are consistent with toStringAsFixed and
-    // look at the fractionDigits first.
-
-    // Step 8.
-    RangeErrorUtils.checkValueInInterval(precision, 1, 21, "precision");
-
-    if (isNaN) return "NaN";
-    if (this == double.infinity) return "Infinity";
-    if (this == -double.infinity) return "-Infinity";
-
-    String result = _toStringAsPrecision(precision);
-    if (this == 0 && isNegative) return '-$result';
-    return result;
-  }
-
-  String _toStringAsPrecision(int fractionDigits) =>
-      JSStringImpl.fromRefUnchecked(
-        JS<WasmExternRef>(
-          "(d, precision) => d.toPrecision(precision)",
-          value,
-          fractionDigits.toDouble(),
-        ),
-      );
+  external String toStringAsPrecision(int precision);
 
   // Order is: NaN > Infinity > ... > 0.0 > -0.0 > ... > -Infinity.
   int compareTo(num other) {
diff --git a/sdk/lib/_internal/wasm/lib/boxed_double_patch.dart b/sdk/lib/_internal/wasm/lib/boxed_double_patch.dart
new file mode 100644
index 00000000000..6d17641f201
--- /dev/null
+++ b/sdk/lib/_internal/wasm/lib/boxed_double_patch.dart
@@ -0,0 +1,155 @@
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "dart:_internal" show doubleToIntBits, intBitsToDouble, patch;
+import 'dart:_js_helper' show JS;
+import 'dart:_string';
+
+@patch
+class BoxedDouble {
+  @patch
+  String toString() {
+    final int bits = doubleToIntBits(value);
+
+    if (bits == doubleToIntBits(0.0)) return '0.0';
+    if (bits == doubleToIntBits(-0.0)) return '-0.0';
+    if (bits == doubleToIntBits(1.0)) return '1.0';
+    if (bits == doubleToIntBits(-1.0)) return '-1.0';
+
+    for (int i = 0; i < CACHE_LENGTH; i++) {
+      // Special cases such as -0.0/0.0 and NaN are never inserted into the
+      // cache.
+      if (bits == _cacheKeys[i]) {
+        return _cacheValues[i];
+      }
+    }
+    if (isNaN) return "NaN";
+    if (isInfinite) {
+      if (isNegative) return "-Infinity";
+      return "Infinity";
+    }
+
+    String result = JSStringImpl.fromRefUnchecked(
+      JS<WasmExternRef?>(
+        'Function.prototype.call.bind(Number.prototype.toString)',
+        WasmF64.fromDouble(value),
+      ),
+    );
+    if (this % 1.0 == 0.0 && result.indexOf('e') == -1) {
+      result = '$result.0';
+    }
+    // Replace the least recently inserted entry.
+    _cacheKeys[_cacheEvictIndex] = bits;
+    _cacheValues[_cacheEvictIndex] = result;
+    _cacheEvictIndex = (_cacheEvictIndex + 1) & CACHE_MASK;
+    return result;
+  }
+
+  @patch
+  String toStringAsFixed(int fractionDigits) {
+    // See ECMAScript-262, 15.7.4.5 for details.
+
+    // Step 2.
+    // 0 <= fractionDigits <= 20
+    RangeErrorUtils.checkValueBetweenZeroAndPositiveMax(
+      fractionDigits,
+      20,
+      "fractionDigits",
+    );
+
+    // Step 3.
+    double x = this;
+
+    // Step 4.
+    if (isNaN) return "NaN";
+    if (this == double.infinity) return "Infinity";
+    if (this == -double.infinity) return "-Infinity";
+
+    // Step 5 and 6 skipped. Will be dealt with by native function.
+
+    // Step 7.
+    if (x >= 1e21 || x <= -1e21) {
+      return x.toString();
+    }
+
+    String result = _toStringAsFixed(fractionDigits);
+    if (this == 0 && isNegative) return '-$result';
+    return result;
+  }
+
+  String _toStringAsFixed(int fractionDigits) => JSStringImpl.fromRefUnchecked(
+    JS<WasmExternRef>(
+      "(d, digits) => d.toFixed(digits)",
+      value,
+      fractionDigits.toDouble(),
+    ),
+  );
+
+  @patch
+  String toStringAsExponential([int? fractionDigits]) {
+    // See ECMAScript-262, 15.7.4.6 for details.
+
+    // The EcmaScript specification checks for NaN and Infinity before looking
+    // at the fractionDigits. In Dart we are consistent with toStringAsFixed and
+    // look at the fractionDigits first.
+
+    // Step 7.
+    if (fractionDigits != null) {
+      // 0 <= fractionDigits <= 20
+      RangeErrorUtils.checkValueBetweenZeroAndPositiveMax(
+        fractionDigits,
+        20,
+        "fractionDigits",
+      );
+    }
+
+    if (isNaN) return "NaN";
+    if (this == double.infinity) return "Infinity";
+    if (this == -double.infinity) return "-Infinity";
+
+    String result = _toStringAsExponential(fractionDigits);
+    if (this == 0 && isNegative) return '-$result';
+    return result;
+  }
+
+  String _toStringAsExponential(int? fractionDigits) =>
+      JSStringImpl.fromRefUnchecked(
+        fractionDigits == null
+            ? JS<WasmExternRef>("d => d.toExponential()", value)
+            : JS<WasmExternRef>(
+                "(d, f) => d.toExponential(f)",
+                value,
+                fractionDigits.toDouble(),
+              ),
+      );
+
+  @patch
+  String toStringAsPrecision(int precision) {
+    // See ECMAScript-262, 15.7.4.7 for details.
+
+    // The EcmaScript specification checks for NaN and Infinity before looking
+    // at the fractionDigits. In Dart we are consistent with toStringAsFixed and
+    // look at the fractionDigits first.
+
+    // Step 8.
+    RangeErrorUtils.checkValueInInterval(precision, 1, 21, "precision");
+
+    if (isNaN) return "NaN";
+    if (this == double.infinity) return "Infinity";
+    if (this == -double.infinity) return "-Infinity";
+
+    String result = _toStringAsPrecision(precision);
+    if (this == 0 && isNegative) return '-$result';
+    return result;
+  }
+
+  String _toStringAsPrecision(int fractionDigits) =>
+      JSStringImpl.fromRefUnchecked(
+        JS<WasmExternRef>(
+          "(d, precision) => d.toPrecision(precision)",
+          value,
+          fractionDigits.toDouble(),
+        ),
+      );
+}
diff --git a/sdk/lib/_internal/wasm/lib/boxed_int_to_string.dart b/sdk/lib/_internal/wasm/lib/boxed_int_patch.dart
similarity index 94%
rename from sdk/lib/_internal/wasm/lib/boxed_int_to_string.dart
rename to sdk/lib/_internal/wasm/lib/boxed_int_patch.dart
index b377b0cb764..ecd933beb20 100644
--- a/sdk/lib/_internal/wasm/lib/boxed_int_to_string.dart
+++ b/sdk/lib/_internal/wasm/lib/boxed_int_patch.dart
@@ -1,4 +1,4 @@
-// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
diff --git a/sdk/lib/_internal/wasm/lib/core_patch.dart b/sdk/lib/_internal/wasm/lib/core_patch.dart
index 60beb1b0e5e..98ae3c188a5 100644
--- a/sdk/lib/_internal/wasm/lib/core_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/core_patch.dart
@@ -31,20 +31,8 @@ import "dart:_internal"
 import 'dart:_error_utils';
 import "dart:_internal" as _internal;
 
-import 'dart:_js_helper'
-    show
-        JS,
-        JSSyntaxRegExp,
-        quoteStringForRegExp,
-        jsStringFromDartString,
-        stringify,
-        JavaScriptStack,
-        JSExternWrapperExt;
-
 import 'dart:_list';
 
-import 'dart:_string' show JSStringImpl, JSStringImplExt;
-
 import "dart:collection"
     show
         HashMap,
@@ -64,25 +52,17 @@ import 'dart:math' show Random;
 import "dart:typed_data";
 
 import 'dart:_object_helper';
-import 'dart:_string_helper';
 
 import 'dart:_wasm';
 
-import 'internal_patch.dart';
-
 part "closure.dart";
-part "double_patch.dart";
 part "errors_patch.dart";
 part "function_patch.dart";
 part "identical_patch.dart";
 part "named_parameters.dart";
 part "object_patch.dart";
 part "record_patch.dart";
-part "regexp_patch.dart";
-part "stack_trace_patch.dart";
-part "stopwatch_patch.dart";
 part "type.dart";
-part "uri_patch.dart";
 
 typedef _Smi = int; // For compatibility with VM patch files
 
diff --git a/sdk/lib/_internal/wasm/lib/deferred.dart b/sdk/lib/_internal/wasm/lib/deferred_patch.dart
similarity index 90%
rename from sdk/lib/_internal/wasm/lib/deferred.dart
rename to sdk/lib/_internal/wasm/lib/deferred_patch.dart
index 9d1087facfe..78e5b72d97f 100644
--- a/sdk/lib/_internal/wasm/lib/deferred.dart
+++ b/sdk/lib/_internal/wasm/lib/deferred_patch.dart
@@ -1,8 +1,18 @@
-// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "internal_patch.dart";
+import 'dart:async';
+import 'dart:js_interop'
+    show
+        JSPromise,
+        JSPromiseToFuture,
+        JSString,
+        ListToJSArray,
+        StringToJSString;
+import 'dart:_js_helper' show dartifyRaw, JSValue, JSAnyToExternRef;
+import 'dart:_string' show JSStringImpl;
+import 'dart:_wasm';
 
 /// Contains active futures for any entities (either module names or IDs)
 /// currently being loaded.
diff --git a/sdk/lib/_internal/wasm/lib/double_patch.dart b/sdk/lib/_internal/wasm/lib/double_patch.dart
index 37230fdcf95..35fb2111046 100644
--- a/sdk/lib/_internal/wasm/lib/double_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/double_patch.dart
@@ -2,7 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "core_patch.dart";
+import "dart:_internal" show patch;
+import 'dart:_js_helper' show JS;
+import 'dart:_js_helper';
 
 @patch
 class double {
diff --git a/sdk/lib/_internal/wasm/lib/dynamic_module.dart b/sdk/lib/_internal/wasm/lib/dynamic_module_patch.dart
similarity index 94%
rename from sdk/lib/_internal/wasm/lib/dynamic_module.dart
rename to sdk/lib/_internal/wasm/lib/dynamic_module_patch.dart
index b617e9bbde1..849c43e20e7 100644
--- a/sdk/lib/_internal/wasm/lib/dynamic_module.dart
+++ b/sdk/lib/_internal/wasm/lib/dynamic_module_patch.dart
@@ -1,8 +1,23 @@
-// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "internal_patch.dart";
+import 'dart:js_interop'
+    show
+        ByteBufferToJSArrayBuffer,
+        JSArray,
+        JSFunction,
+        JSFunctionUtilExtension,
+        JSString,
+        JSArrayToList,
+        JSStringToString,
+        JSPromise,
+        JSPromiseToFuture,
+        ListToJSArray,
+        StringToJSString;
+import 'dart:_js_helper' show dartifyRaw, JSValue, JSAnyToExternRef;
+import 'dart:_wasm';
+import 'dart:typed_data' show Uint8List;
 
 @pragma("wasm:import", "moduleLoadingHelper.loadDynamicModuleFromUri")
 external WasmExternRef _loadModuleFromUri(
diff --git a/sdk/lib/_internal/wasm/lib/internal_json_encode_patch.dart b/sdk/lib/_internal/wasm/lib/internal_json_encode_patch.dart
new file mode 100644
index 00000000000..e30a5e75a9e
--- /dev/null
+++ b/sdk/lib/_internal/wasm/lib/internal_json_encode_patch.dart
@@ -0,0 +1,16 @@
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "dart:_js_helper" show JS, jsStringFromDartString, JSExternWrapperExt;
+import 'dart:_string' show JSStringImpl;
+import 'dart:_wasm';
+
+String jsonEncode(String object) =>
+    // Use checked boxing as `JSON.stringify` can be patched by users.
+    JSStringImpl.fromRef(
+      JS<WasmExternRef>(
+        "s => JSON.stringify(s)",
+        jsStringFromDartString(object).wrappedExternRef,
+      ),
+    );
diff --git a/sdk/lib/_internal/wasm/lib/internal_patch.dart b/sdk/lib/_internal/wasm/lib/internal_patch.dart
index 43d2751fa4f..cfa9b8033cb 100644
--- a/sdk/lib/_internal/wasm/lib/internal_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/internal_patch.dart
@@ -2,39 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:async';
-import "dart:_js_helper"
-    show
-        JS,
-        JSAnyToExternRef,
-        jsStringFromDartString,
-        jsUint8ArrayFromDartUint8List,
-        JSExternWrapperExt;
-import "dart:_js_types" show JSStringImpl;
-import 'dart:_string';
-import 'dart:js_interop'
-    show
-        ByteBufferToJSArrayBuffer,
-        JSArray,
-        JSFunction,
-        JSFunctionUtilExtension,
-        JSString,
-        JSArrayToList,
-        JSStringToString,
-        JSPromise,
-        JSPromiseToFuture,
-        ListToJSArray,
-        StringToJSString;
-import 'dart:_js_helper' show dartifyRaw, JSValue;
-import 'dart:_js_types';
 import 'dart:_wasm';
-import 'dart:math';
-import 'dart:typed_data' show Uint8List;
 
 part "class_id.dart";
-part "deferred.dart";
-part "dynamic_module.dart";
-part "print_patch.dart";
 part "symbol_patch.dart";
 
 // Compilation to Wasm is always fully null safe.
@@ -121,59 +91,6 @@ external int doubleToIntBits(double value);
 @pragma("wasm:intrinsic")
 external double intBitsToDouble(int value);
 
-@pragma("wasm:prefer-inline")
-void _invokeMainArg0(WasmExternRef jsArrayRef, Function() mainMethod) {
-  mainMethod();
-  return;
-}
-
-@pragma("wasm:prefer-inline")
-void _invokeMainArg1(
-  WasmExternRef jsArrayRef,
-  Function(List<String>) mainMethod,
-) {
-  final jsArray = (JSValue(jsArrayRef) as JSArray<JSString>).toDart;
-  final args = <String>[for (final jsValue in jsArray) jsValue.toDart];
-  mainMethod(List.unmodifiable(args));
-  return;
-}
-
-@pragma("wasm:prefer-inline")
-void _invokeMainArg2(
-  WasmExternRef jsArrayRef,
-  Function(List<String>, Null) mainMethod,
-) {
-  final jsArray = (JSValue(jsArrayRef) as JSArray<JSString>).toDart;
-  final args = <String>[for (final jsValue in jsArray) jsValue.toDart];
-  mainMethod(List.unmodifiable(args), null);
-  return;
-}
-
-// Will be patched in `pkg/dart2wasm/lib/compile.dart` right before TFA.
-external void _invokeMainInternal(WasmExternRef jsArray);
-
-/// Used to invoke the `main` function from JS, printing any exceptions that
-/// escape.
-@pragma("wasm:export", "\$invokeMain")
-void _invokeMain(WasmExternRef jsArrayRef) {
-  try {
-    _invokeMainInternal(jsArrayRef);
-  } catch (e, s) {
-    print(e);
-    print(s);
-    rethrow;
-  }
-}
-
-String jsonEncode(String object) =>
-    // Use checked boxing as `JSON.stringify` can be patched by users.
-    JSStringImpl.fromRef(
-      JS<WasmExternRef>(
-        "s => JSON.stringify(s)",
-        jsStringFromDartString(object).wrappedExternRef,
-      ),
-    );
-
 /// Whether to check bounds in [IndexErrorUtils.checkIndex],
 /// which are  used in list and typed data implementations.
 ///
diff --git a/sdk/lib/_internal/wasm/lib/invoke_main_patch.dart b/sdk/lib/_internal/wasm/lib/invoke_main_patch.dart
new file mode 100644
index 00000000000..9f2b3cbe2ed
--- /dev/null
+++ b/sdk/lib/_internal/wasm/lib/invoke_main_patch.dart
@@ -0,0 +1,52 @@
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:js_interop'
+    show JSArray, JSArrayToList, JSString, JSStringToString;
+import 'dart:_js_helper' show JSValue;
+import 'dart:_wasm';
+
+@pragma("wasm:prefer-inline")
+void _invokeMainArg0(WasmExternRef jsArrayRef, Function() mainMethod) {
+  mainMethod();
+  return;
+}
+
+@pragma("wasm:prefer-inline")
+void _invokeMainArg1(
+  WasmExternRef jsArrayRef,
+  Function(List<String>) mainMethod,
+) {
+  final jsArray = (JSValue(jsArrayRef) as JSArray<JSString>).toDart;
+  final args = <String>[for (final jsValue in jsArray) jsValue.toDart];
+  mainMethod(List.unmodifiable(args));
+  return;
+}
+
+@pragma("wasm:prefer-inline")
+void _invokeMainArg2(
+  WasmExternRef jsArrayRef,
+  Function(List<String>, Null) mainMethod,
+) {
+  final jsArray = (JSValue(jsArrayRef) as JSArray<JSString>).toDart;
+  final args = <String>[for (final jsValue in jsArray) jsValue.toDart];
+  mainMethod(List.unmodifiable(args), null);
+  return;
+}
+
+// Will be patched in `pkg/dart2wasm/lib/compile.dart` right before TFA.
+external void _invokeMainInternal(WasmExternRef jsArray);
+
+/// Used to invoke the `main` function from JS, printing any exceptions that
+/// escape.
+@pragma("wasm:export", "\$invokeMain")
+void _invokeMain(WasmExternRef jsArrayRef) {
+  try {
+    _invokeMainInternal(jsArrayRef);
+  } catch (e, s) {
+    print(e);
+    print(s);
+    rethrow;
+  }
+}
diff --git a/sdk/lib/_internal/wasm/lib/math_externs_patch.dart b/sdk/lib/_internal/wasm/lib/math_externs_patch.dart
new file mode 100644
index 00000000000..5fb44db0c1a
--- /dev/null
+++ b/sdk/lib/_internal/wasm/lib/math_externs_patch.dart
@@ -0,0 +1,147 @@
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "dart:_error_utils";
+import "dart:_internal" show patch;
+import "dart:js_interop";
+import "dart:_js_types" show JSUint8ArrayImpl;
+import "dart:_wasm";
+
+@patch
+double atan2(num a, num b) => _atan2(a.toDouble(), b.toDouble());
+@patch
+double sin(num radians) => _sin(radians.toDouble());
+@patch
+double cos(num radians) => _cos(radians.toDouble());
+@patch
+double tan(num radians) => _tan(radians.toDouble());
+@patch
+double acos(num x) => _acos(x.toDouble());
+@patch
+double asin(num x) => _asin(x.toDouble());
+@patch
+double atan(num x) => _atan(x.toDouble());
+@patch
+double sqrt(num x) => x.toDouble().sqrt();
+@patch
+double exp(num x) => _exp(x.toDouble());
+@patch
+double log(num x) => _log(x.toDouble());
+
+@pragma("wasm:import", "Math.pow")
+external double _doublePow(double base, double exponent);
+@pragma("wasm:import", "Math.atan2")
+external double _atan2(double a, double b);
+@pragma("wasm:import", "Math.sin")
+external double _sin(double x);
+@pragma("wasm:import", "Math.cos")
+external double _cos(double x);
+@pragma("wasm:import", "Math.tan")
+external double _tan(double x);
+@pragma("wasm:import", "Math.acos")
+external double _acos(double x);
+@pragma("wasm:import", "Math.asin")
+external double _asin(double x);
+@pragma("wasm:import", "Math.atan")
+external double _atan(double x);
+@pragma("wasm:import", "Math.exp")
+external double _exp(double x);
+@pragma("wasm:import", "Math.log")
+external double _log(double x);
+
+@JS('crypto')
+external _JSCrypto get _jsCryptoGetter;
+
+final _JSCrypto _jsCrypto = _jsCryptoGetter;
+
+extension type _JSCrypto._(JSObject _jsCrypto) implements JSObject {}
+
+extension _JSCryptoGetRandomValues on _JSCrypto {
+  @JS('getRandomValues')
+  external void getRandomValues(JSUint8Array array);
+}
+
+@JS('Math')
+external _JSMath get _jsMathGetter;
+
+final _JSMath _jsMath = _jsMathGetter;
+
+extension type _JSMath._(JSObject _jsMath) implements JSObject {}
+
+extension _JSMathRandom on _JSMath {
+  @JS('random')
+  external double random();
+}
+
+@patch
+class _Random {
+  @patch
+  static int _initialSeed() {
+    final low = (_jsMath.random() * 4294967295.0).toInt();
+    final high = (_jsMath.random() * 4294967295.0).toInt();
+    return ((high << 32) | low);
+  }
+}
+
+class _SecureRandom implements Random {
+  final JSUint8ArrayImpl _buffer = JSUint8ArrayImpl(8);
+
+  _SecureRandom() {
+    // Throw early in constructor if entropy source is not hooked up.
+    _getBytes(1);
+  }
+
+  // Return count bytes of entropy as an integer; count <= 8.
+  int _getBytes(int count) {
+    final JSUint8ArrayImpl bufferView = JSUint8ArrayImpl.view(
+      _buffer.buffer,
+      0,
+      count,
+    );
+
+    final JSUint8Array bufferViewJS = bufferView.toJS;
+    _jsCrypto.getRandomValues(bufferViewJS);
+
+    int value = 0;
+    for (int i = 0; i < count; i += 1) {
+      value = (value << 8) | bufferView[i];
+    }
+
+    return value;
+  }
+
+  int nextInt(int max) {
+    RangeErrorUtils.checkValueInInterval(
+      max,
+      1,
+      _POW2_32,
+      "max",
+      "Must be positive and <= 2^32",
+    );
+    final byteCount =
+        ((max - 1).bitLength + 7) >> 3; // Divide number of bits by 8, round up.
+    if (byteCount == 0) {
+      return 0; // Not random if max == 1.
+    }
+    var rnd;
+    var result;
+    do {
+      rnd = _getBytes(byteCount);
+      result = rnd % max;
+    } while ((rnd - result + max) > (1 << (byteCount << 3)));
+    return result;
+  }
+
+  double nextDouble() {
+    return (_getBytes(7) >> 3) / _POW2_53_D;
+  }
+
+  bool nextBool() {
+    return _getBytes(1).isEven;
+  }
+
+  // Constants used by the algorithm.
+  static const _POW2_32 = 1 << 32;
+  static const _POW2_53_D = 1.0 * (1 << 53);
+}
diff --git a/sdk/lib/_internal/wasm/lib/math_patch.dart b/sdk/lib/_internal/wasm/lib/math_patch.dart
index a646ef630eb..ec19fa61bc3 100644
--- a/sdk/lib/_internal/wasm/lib/math_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/math_patch.dart
@@ -4,8 +4,6 @@
 
 import "dart:_error_utils";
 import "dart:_internal" show mix64, patch;
-import "dart:_js_types" show JSUint8ArrayImpl;
-import "dart:js_interop";
 import "dart:_wasm";
 
 /// There are no parts of this patch library.
@@ -81,9 +79,6 @@ num pow(num x, num exponent) {
   return _doublePow(xDouble, exponentDouble);
 }
 
-@pragma("wasm:import", "Math.pow")
-external double _doublePow(double base, double exponent);
-
 int _intPow(int base, int exponent) {
   // Exponentiation by squaring.
   int result = 1;
@@ -100,46 +95,6 @@ int _intPow(int base, int exponent) {
   return result;
 }
 
-@patch
-double atan2(num a, num b) => _atan2(a.toDouble(), b.toDouble());
-@patch
-double sin(num radians) => _sin(radians.toDouble());
-@patch
-double cos(num radians) => _cos(radians.toDouble());
-@patch
-double tan(num radians) => _tan(radians.toDouble());
-@patch
-double acos(num x) => _acos(x.toDouble());
-@patch
-double asin(num x) => _asin(x.toDouble());
-@patch
-double atan(num x) => _atan(x.toDouble());
-@patch
-double sqrt(num x) => x.toDouble().sqrt();
-@patch
-double exp(num x) => _exp(x.toDouble());
-@patch
-double log(num x) => _log(x.toDouble());
-
-@pragma("wasm:import", "Math.atan2")
-external double _atan2(double a, double b);
-@pragma("wasm:import", "Math.sin")
-external double _sin(double x);
-@pragma("wasm:import", "Math.cos")
-external double _cos(double x);
-@pragma("wasm:import", "Math.tan")
-external double _tan(double x);
-@pragma("wasm:import", "Math.acos")
-external double _acos(double x);
-@pragma("wasm:import", "Math.asin")
-external double _asin(double x);
-@pragma("wasm:import", "Math.atan")
-external double _atan(double x);
-@pragma("wasm:import", "Math.exp")
-external double _exp(double x);
-@pragma("wasm:import", "Math.log")
-external double _log(double x);
-
 // TODO(iposva): Handle patch methods within a patch class correctly.
 @patch
 class Random {
@@ -229,11 +184,7 @@ class _Random implements Random {
 
   static int _setupSeed(int seed) => mix64(seed);
 
-  static int _initialSeed() {
-    final low = (_jsMath.random() * 4294967295.0).toInt();
-    final high = (_jsMath.random() * 4294967295.0).toInt();
-    return ((high << 32) | low);
-  }
+  external static int _initialSeed();
 
   static int _nextSeed() {
     // Trigger the PRNG once to change the internal state.
@@ -241,89 +192,3 @@ class _Random implements Random {
     return _prng._stateLow;
   }
 }
-
-@JS('crypto')
-external _JSCrypto get _jsCryptoGetter;
-
-final _JSCrypto _jsCrypto = _jsCryptoGetter;
-
-extension type _JSCrypto._(JSObject _jsCrypto) implements JSObject {}
-
-extension _JSCryptoGetRandomValues on _JSCrypto {
-  @JS('getRandomValues')
-  external void getRandomValues(JSUint8Array array);
-}
-
-@JS('Math')
-external _JSMath get _jsMathGetter;
-
-final _JSMath _jsMath = _jsMathGetter;
-
-extension type _JSMath._(JSObject _jsMath) implements JSObject {}
-
-extension _JSMathRandom on _JSMath {
-  @JS('random')
-  external double random();
-}
-
-class _SecureRandom implements Random {
-  final JSUint8ArrayImpl _buffer = JSUint8ArrayImpl(8);
-
-  _SecureRandom() {
-    // Throw early in constructor if entropy source is not hooked up.
-    _getBytes(1);
-  }
-
-  // Return count bytes of entropy as an integer; count <= 8.
-  int _getBytes(int count) {
-    final JSUint8ArrayImpl bufferView = JSUint8ArrayImpl.view(
-      _buffer.buffer,
-      0,
-      count,
-    );
-
-    final JSUint8Array bufferViewJS = bufferView.toJS;
-    _jsCrypto.getRandomValues(bufferViewJS);
-
-    int value = 0;
-    for (int i = 0; i < count; i += 1) {
-      value = (value << 8) | bufferView[i];
-    }
-
-    return value;
-  }
-
-  int nextInt(int max) {
-    RangeErrorUtils.checkValueInInterval(
-      max,
-      1,
-      _POW2_32,
-      "max",
-      "Must be positive and <= 2^32",
-    );
-    final byteCount =
-        ((max - 1).bitLength + 7) >> 3; // Divide number of bits by 8, round up.
-    if (byteCount == 0) {
-      return 0; // Not random if max == 1.
-    }
-    var rnd;
-    var result;
-    do {
-      rnd = _getBytes(byteCount);
-      result = rnd % max;
-    } while ((rnd - result + max) > (1 << (byteCount << 3)));
-    return result;
-  }
-
-  double nextDouble() {
-    return (_getBytes(7) >> 3) / _POW2_53_D;
-  }
-
-  bool nextBool() {
-    return _getBytes(1).isEven;
-  }
-
-  // Constants used by the algorithm.
-  static const _POW2_32 = 1 << 32;
-  static const _POW2_53_D = 1.0 * (1 << 53);
-}
diff --git a/sdk/lib/_internal/wasm/lib/print_patch.dart b/sdk/lib/_internal/wasm/lib/print_patch.dart
index b36f9dbaefa..2cb45472d46 100644
--- a/sdk/lib/_internal/wasm/lib/print_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/print_patch.dart
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "internal_patch.dart";
+import "dart:_js_helper" show JS, jsStringFromDartString, JSExternWrapperExt;
 
 @patch
 void printToConsole(String line) => JS<void>(
diff --git a/sdk/lib/_internal/wasm/lib/regexp_patch.dart b/sdk/lib/_internal/wasm/lib/regexp_patch.dart
index d8ffefe43fa..d51539fdf01 100644
--- a/sdk/lib/_internal/wasm/lib/regexp_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/regexp_patch.dart
@@ -2,7 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "core_patch.dart";
+import 'dart:_js_helper' show JSSyntaxRegExp, quoteStringForRegExp;
+import 'dart:_internal' show patch;
 
 @patch
 class RegExp {
diff --git a/sdk/lib/_internal/wasm/lib/stack_trace_patch.dart b/sdk/lib/_internal/wasm/lib/stack_trace_patch.dart
index caff597967c..e68f13a8138 100644
--- a/sdk/lib/_internal/wasm/lib/stack_trace_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/stack_trace_patch.dart
@@ -2,7 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "core_patch.dart";
+import 'dart:_internal' show patch;
+import 'dart:_js_helper' show JavaScriptStack;
 
 @patch
 class StackTrace {
diff --git a/sdk/lib/_internal/wasm/lib/stopwatch_patch.dart b/sdk/lib/_internal/wasm/lib/stopwatch_patch.dart
index 3c8126734da..c640170a20b 100644
--- a/sdk/lib/_internal/wasm/lib/stopwatch_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/stopwatch_patch.dart
@@ -2,7 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "core_patch.dart";
+import 'dart:_internal' show patch;
+import 'dart:_js_helper' show JS;
 
 @patch
 class Stopwatch {
diff --git a/sdk/lib/_internal/wasm/lib/typed_data.dart b/sdk/lib/_internal/wasm/lib/typed_data.dart
index 7af481c7c9c..a34b308e758 100644
--- a/sdk/lib/_internal/wasm/lib/typed_data.dart
+++ b/sdk/lib/_internal/wasm/lib/typed_data.dart
@@ -28,8 +28,6 @@ import 'dart:_internal'
         WhereTypeIterable;
 import 'dart:_simd';
 import 'dart:_wasm';
-import 'dart:_js_types';
-import 'dart:_js_helper';
 
 import 'dart:collection' show ListBase;
 import 'dart:math' show Random;
@@ -1923,6 +1921,18 @@ mixin _IntListMixin implements TypedDataList<int> {
   }
 }
 
+/// Outside of the standalone build, checks if [from] is a JS typed array and
+/// copies contents into a WASM array.
+///
+/// Returns whether a copy was made, or false if [from] is not a typed array.
+external bool tryCopyExternalIntTypedData(
+  Iterable<int> from,
+  _IntListMixin to,
+  int start,
+  int skipCount,
+  int count,
+);
+
 mixin _TypedIntListMixin<SpawnedType extends TypedDataList<int>>
     on _IntListMixin {
   SpawnedType _createList(int length);
@@ -1943,48 +1953,8 @@ mixin _TypedIntListMixin<SpawnedType extends TypedDataList<int>>
       throw UnsupportedError("Cannot modify an unmodifiable list");
     }
 
-    if (from is JSIntegerArrayBase) {
-      // We only add this mixin to typed lists in this library so we know
-      // `this` is `TypedData`.
-      final fromTypedData = unsafeCast<JSIntegerArrayBase>(from);
-
-      final fromElementSize = fromTypedData.elementSizeInBytes;
-      if (fromElementSize == 1 && this is WasmI8ArrayBase) {
-        final destTypedData = unsafeCast<WasmI8ArrayBase>(this);
-        copyToWasmI8Array(
-          fromTypedData.toJSArrayExternRef()!,
-          skipCount,
-          destTypedData.data,
-          destTypedData.offsetInElements + start,
-          count,
-        );
-        return;
-      }
-      if (fromElementSize == 2 && this is WasmI16ArrayBase) {
-        final destTypedData = unsafeCast<WasmI16ArrayBase>(this);
-        copyToWasmI16Array(
-          fromTypedData.toJSArrayExternRef()!,
-          skipCount,
-          destTypedData.data,
-          destTypedData.offsetInElements + start,
-          count,
-        );
-        return;
-      }
-      if (fromElementSize == 4 && this is _WasmI32ArrayBase) {
-        final destTypedData = unsafeCast<_WasmI32ArrayBase>(this);
-        copyToWasmI32Array(
-          fromTypedData.toJSArrayExternRef()!,
-          skipCount,
-          destTypedData.data,
-          destTypedData.offsetInElements + start,
-          count,
-        );
-        return;
-      }
-
-      // NOTICE: We currently don't have `JSUint64Array` classes in
-      // `dart:js_interop`.
+    if (tryCopyExternalIntTypedData(from, this, start, skipCount, count)) {
+      return;
     }
 
     if (from is TypedData) {
@@ -2375,6 +2345,18 @@ mixin _DoubleListMixin implements TypedDataList<double> {
   }
 }
 
+/// Outside of the standalone build, checks if [from] is a JS typed array and
+/// copies contents into a WASM array.
+///
+/// Returns whether a copy was made, or false if [from] is not a typed array.
+external bool tryCopyExternalFloatTypedData(
+  Iterable<double> from,
+  _DoubleListMixin to,
+  int start,
+  int skipCount,
+  int count,
+);
+
 mixin _TypedDoubleListMixin<SpawnedType extends TypedDataList<double>>
     on _DoubleListMixin {
   SpawnedType _createList(int length);
@@ -2399,34 +2381,8 @@ mixin _TypedDoubleListMixin<SpawnedType extends TypedDataList<double>>
       throw UnsupportedError("Cannot modify an unmodifiable list");
     }
 
-    if (from is JSFloatArrayBase) {
-      // We only add this mixin to typed lists in this library so we know
-      // `this` is `TypedData`.
-      final fromTypedData = unsafeCast<JSFloatArrayBase>(from);
-
-      final fromElementSize = fromTypedData.elementSizeInBytes;
-      if (fromElementSize == 4 && this is _WasmF32ArrayBase) {
-        final destTypedData = unsafeCast<_WasmF32ArrayBase>(this);
-        copyToWasmF32Array(
-          fromTypedData.toJSArrayExternRef()!,
-          skipCount,
-          destTypedData.data,
-          destTypedData.offsetInElements + start,
-          count,
-        );
-        return;
-      }
-      if (fromElementSize == 8 && this is _WasmF64ArrayBase) {
-        final destTypedData = unsafeCast<_WasmF64ArrayBase>(this);
-        copyToWasmF64Array(
-          fromTypedData.toJSArrayExternRef()!,
-          skipCount,
-          destTypedData.data,
-          destTypedData.offsetInElements + start,
-          count,
-        );
-        return;
-      }
+    if (tryCopyExternalFloatTypedData(from, this, start, skipCount, count)) {
+      return;
     }
 
     if (from is TypedData) {
diff --git a/sdk/lib/_internal/wasm/lib/typed_data_copy_from_js.dart b/sdk/lib/_internal/wasm/lib/typed_data_copy_from_js.dart
new file mode 100644
index 00000000000..16b54d67e03
--- /dev/null
+++ b/sdk/lib/_internal/wasm/lib/typed_data_copy_from_js.dart
@@ -0,0 +1,103 @@
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:_internal' show patch, unsafeCast;
+import 'dart:_js_types';
+import 'dart:_js_helper';
+
+@patch
+bool tryCopyExternalIntTypedData(
+  Iterable<int> from,
+  _IntListMixin to,
+  int start,
+  int skipCount,
+  int count,
+) {
+  if (from is JSIntegerArrayBase) {
+    // We only add this mixin to typed lists in this library so we know
+    // `this` is `TypedData`.
+    final fromTypedData = unsafeCast<JSIntegerArrayBase>(from);
+
+    final fromElementSize = fromTypedData.elementSizeInBytes;
+    if (fromElementSize == 1 && to is WasmI8ArrayBase) {
+      final destTypedData = unsafeCast<WasmI8ArrayBase>(to);
+      copyToWasmI8Array(
+        fromTypedData.toJSArrayExternRef()!,
+        skipCount,
+        destTypedData.data,
+        destTypedData.offsetInElements + start,
+        count,
+      );
+      return true;
+    }
+    if (fromElementSize == 2 && to is WasmI16ArrayBase) {
+      final destTypedData = unsafeCast<WasmI16ArrayBase>(to);
+      copyToWasmI16Array(
+        fromTypedData.toJSArrayExternRef()!,
+        skipCount,
+        destTypedData.data,
+        destTypedData.offsetInElements + start,
+        count,
+      );
+      return true;
+    }
+    if (fromElementSize == 4 && to is _WasmI32ArrayBase) {
+      final destTypedData = unsafeCast<_WasmI32ArrayBase>(to);
+      copyToWasmI32Array(
+        fromTypedData.toJSArrayExternRef()!,
+        skipCount,
+        destTypedData.data,
+        destTypedData.offsetInElements + start,
+        count,
+      );
+      return true;
+    }
+
+    // NOTICE: We currently don't have `JSUint64Array` classes in
+    // `dart:js_interop`.
+  }
+
+  return false;
+}
+
+@patch
+bool tryCopyExternalFloatTypedData(
+  Iterable<double> from,
+  _DoubleListMixin to,
+  int start,
+  int skipCount,
+  int count,
+) {
+  if (from is JSFloatArrayBase) {
+    // We only add this mixin to typed lists in this library so we know
+    // `this` is `TypedData`.
+    final fromTypedData = unsafeCast<JSFloatArrayBase>(from);
+
+    final fromElementSize = fromTypedData.elementSizeInBytes;
+    if (fromElementSize == 4 && to is _WasmF32ArrayBase) {
+      final destTypedData = unsafeCast<_WasmF32ArrayBase>(to);
+      copyToWasmF32Array(
+        fromTypedData.toJSArrayExternRef()!,
+        skipCount,
+        destTypedData.data,
+        destTypedData.offsetInElements + start,
+        count,
+      );
+      return true;
+    }
+    if (fromElementSize == 8 && to is _WasmF64ArrayBase) {
+      final destTypedData = unsafeCast<_WasmF64ArrayBase>(to);
+      copyToWasmF64Array(
+        fromTypedData.toJSArrayExternRef()!,
+        skipCount,
+        destTypedData.data,
+        destTypedData.offsetInElements + start,
+        count,
+      );
+      return true;
+    }
+  }
+
+  return false;
+}
diff --git a/sdk/lib/_internal/wasm/lib/uri_patch.dart b/sdk/lib/_internal/wasm/lib/uri_patch.dart
index 9172f6ca5d1..a248e438764 100644
--- a/sdk/lib/_internal/wasm/lib/uri_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/uri_patch.dart
@@ -2,7 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-part of "core_patch.dart";
+import 'dart:_internal' show patch;
+import 'dart:_js_helper' show JS;
+import 'dart:_string';
+import 'dart:_wasm';
+import 'dart:convert' show Encoding, utf8;
 
 @patch
 class Uri {
diff --git a/sdk/lib/_internal/wasm/lib/wasm_types_patch.dart b/sdk/lib/_internal/wasm/lib/wasm_types_patch.dart
index 208c3f96c82..98b7d341669 100644
--- a/sdk/lib/_internal/wasm/lib/wasm_types_patch.dart
+++ b/sdk/lib/_internal/wasm/lib/wasm_types_patch.dart
@@ -2,17 +2,16 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import "dart:_internal" show patch;
 import "dart:_js_helper";
 import "dart:_wasm";
 import "dart:js_interop";
 
-@patch
 extension WasmExternRefToJSAny on WasmExternRef {
-  @patch
   JSAny get toJS => JSValue.box(this) as JSAny;
 }
 
-@patch
+// Note: We would make this an extension method on JSAny, but external methods
+// on JS interop types are assumed to be JS interop functions, not methods that
+// are patched in patch files. So instead we just use a plain function here.
 WasmExternRef? externRefForJSAny(JSAny object) =>
     (object as JSValue).toExternRef;
diff --git a/sdk/lib/_internal/wasm_js_compatibility/lib/boxed_int_to_string.dart b/sdk/lib/_internal/wasm_js_compatibility/lib/boxed_int_patch.dart
similarity index 95%
rename from sdk/lib/_internal/wasm_js_compatibility/lib/boxed_int_to_string.dart
rename to sdk/lib/_internal/wasm_js_compatibility/lib/boxed_int_patch.dart
index 2e01bf288fe..1560fbb0c80 100644
--- a/sdk/lib/_internal/wasm_js_compatibility/lib/boxed_int_to_string.dart
+++ b/sdk/lib/_internal/wasm_js_compatibility/lib/boxed_int_patch.dart
@@ -1,4 +1,4 @@
-// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
diff --git a/sdk/lib/_wasm/wasm_types.dart b/sdk/lib/_wasm/wasm_types.dart
index 0a239d777a0..2bd03f95edf 100644
--- a/sdk/lib/_wasm/wasm_types.dart
+++ b/sdk/lib/_wasm/wasm_types.dart
@@ -4,8 +4,6 @@
 
 library dart._wasm;
 
-import 'dart:js_interop';
-
 part 'memory.dart';
 
 // A collection a special Dart types that are mapped directly to Wasm types
@@ -787,15 +785,6 @@ extension DoubleWasmInstructions on double {
   double sqrt() => this.toWasmF64().sqrt().toDouble();
 }
 
-extension WasmExternRefToJSAny on WasmExternRef {
-  external JSAny get toJS;
-}
-
-// Note: We would make this an extension method on JSAny, but external methods
-// on JS interop types are assumed to be JS interop functions, not methods that
-// are patched in patch files. So instead we just use a plain function here.
-external WasmExternRef? externRefForJSAny(JSAny object);
-
 // Tests whether the given object's class is a subclass of T.
 //
 // NOTICE: If the object's class is a subtype of T but not a subclass this will
diff --git a/sdk/lib/libraries.json b/sdk/lib/libraries.json
index 2079106a588..3da2afb8bde 100644
--- a/sdk/lib/libraries.json
+++ b/sdk/lib/libraries.json
@@ -144,6 +144,7 @@
           "_internal/vm_shared/lib/bigint_patch.dart",
           "_internal/vm_shared/lib/bool_patch.dart",
           "_internal/vm_shared/lib/date_patch.dart",
+          "_internal/wasm/lib/double_patch.dart",
           "_internal/vm_shared/lib/map_patch.dart",
           "_internal/vm_shared/lib/null_patch.dart",
           "_internal/wasm/lib/array_patch.dart",
@@ -152,9 +153,13 @@
           "_internal/wasm/lib/date_patch_patch.dart",
           "_internal/wasm/lib/int_common_patch.dart",
           "_internal/wasm/lib/int_patch.dart",
+          "_internal/wasm/lib/regexp_patch.dart",
+          "_internal/wasm/lib/stack_trace_patch.dart",
           "_internal/wasm/lib/string_buffer_patch.dart",
           "_internal/wasm/lib/string_patch.dart",
+          "_internal/wasm/lib/stopwatch_patch.dart",
           "_internal/wasm/lib/sync_star_patch.dart",
+          "_internal/wasm/lib/uri_patch.dart",
           "_internal/wasm/lib/weak_patch.dart"
         ]
       },
@@ -173,13 +178,16 @@
       },
       "_boxed_int": {
         "uri": "_internal/wasm/lib/boxed_int.dart",
-        "patches": "_internal/wasm/lib/boxed_int_to_string.dart"
+        "patches": "_internal/wasm/lib/boxed_int_patch.dart"
       },
       "_string": {
         "uri": "_internal/wasm/lib/js_string.dart"
       },
       "_typed_data": {
-        "uri": "_internal/wasm/lib/typed_data.dart"
+        "uri": "_internal/wasm/lib/typed_data.dart",
+        "patches": [
+          "_internal/wasm/lib/typed_data_copy_from_js.dart"
+        ]
       },
       "_js_helper": {
         "uri": "_internal/wasm/lib/js_helper.dart",
@@ -208,6 +216,7 @@
           "_internal/vm_shared/lib/bigint_patch.dart",
           "_internal/vm_shared/lib/bool_patch.dart",
           "_internal/vm_shared/lib/date_patch.dart",
+          "_internal/wasm/lib/double_patch.dart",
           "_internal/vm_shared/lib/map_patch.dart",
           "_internal/vm_shared/lib/null_patch.dart",
           "_internal/wasm/lib/array_patch.dart",
@@ -216,7 +225,11 @@
           "_internal/wasm/lib/date_patch_patch.dart",
           "_internal/wasm/lib/int_common_patch.dart",
           "_internal/wasm/lib/int_patch.dart",
+          "_internal/wasm/lib/regexp_patch.dart",
+          "_internal/wasm/lib/stack_trace_patch.dart",
+          "_internal/wasm/lib/stopwatch_patch.dart",
           "_internal/wasm/lib/sync_star_patch.dart",
+          "_internal/wasm/lib/uri_patch.dart",
           "_internal/wasm/lib/weak_patch.dart",
           "_internal/wasm_js_compatibility/lib/string_buffer_patch.dart",
           "_internal/wasm_js_compatibility/lib/string_patch.dart"
@@ -231,7 +244,7 @@
       },
       "_boxed_int": {
         "uri": "_internal/wasm/lib/boxed_int.dart",
-        "patches": "_internal/wasm_js_compatibility/lib/boxed_int_to_string.dart"
+        "patches": "_internal/wasm_js_compatibility/lib/boxed_int_patch.dart"
       },
       "_string": {
         "uri": "_internal/wasm/lib/js_string.dart"
@@ -272,12 +285,17 @@
           "_internal/wasm/lib/array_patch.dart",
           "_internal/wasm/lib/bigint_patch_patch.dart",
           "_internal/wasm/lib/core_patch.dart",
+          "_internal/wasm/lib/double_patch.dart",
           "_internal/wasm/lib/date_patch_patch.dart",
           "_internal/wasm/lib/int_common_patch.dart",
           "_internal/wasm/lib/int_patch.dart",
+          "_internal/wasm/lib/regexp_patch.dart",
+          "_internal/wasm/lib/stack_trace_patch.dart",
           "_internal/wasm/lib/string_buffer_patch.dart",
           "_internal/wasm/lib/string_patch.dart",
+          "_internal/wasm/lib/stopwatch_patch.dart",
           "_internal/wasm/lib/sync_star_patch.dart",
+          "_internal/wasm/lib/uri_patch.dart",
           "_internal/wasm/lib/weak_patch.dart"
         ]
       },
@@ -287,6 +305,12 @@
           "_internal/wasm/lib/convert_patch.dart"
         ]
       },
+      "developer": {
+        "uri": "developer/developer.dart",
+        "patches": [
+          "_internal/js_runtime/lib/developer_patch.dart"
+        ]
+      },
       "typed_data": {
         "uri": "typed_data/typed_data.dart",
         "patches": [
@@ -296,19 +320,50 @@
       },
       "_boxed_int": {
         "uri": "_internal/wasm/lib/boxed_int.dart",
-        "patches": "_internal/wasm/lib/boxed_int_to_string.dart"
+        "patches": "_internal/wasm/lib/boxed_int_patch.dart"
+      },
+      "_boxed_double": {
+        "uri": "_internal/wasm/lib/boxed_double.dart",
+        "patches": [
+          "_internal/wasm/lib/boxed_double_patch.dart"
+        ]
       },
       "_string": {
         "uri": "_internal/wasm/lib/js_string.dart"
       },
       "_typed_data": {
-        "uri": "_internal/wasm/lib/typed_data.dart"
+        "uri": "_internal/wasm/lib/typed_data.dart",
+        "patches": [
+          "_internal/wasm/lib/typed_data_copy_from_js.dart"
+        ]
       },
       "_js_helper": {
         "uri": "_internal/wasm/lib/js_helper.dart",
         "patches": [
           "_internal/wasm/lib/js_helper_patch.dart"
         ]
+      },
+      "_internal": {
+        "uri": "internal/internal.dart",
+        "patches": [
+          "_internal/wasm/lib/internal_patch.dart",
+          "_internal/wasm/lib/deferred_patch.dart",
+          "_internal/wasm/lib/dynamic_module_patch.dart",
+          "_internal/wasm/lib/internal_json_encode_patch.dart",
+          "_internal/wasm/lib/invoke_main_patch.dart",
+          "_internal/wasm/lib/print_patch.dart"
+        ]
+      },
+      "_wasm": {
+        "uri": "_wasm/wasm_types.dart",
+        "patches": "_internal/wasm/lib/wasm_types_patch.dart"
+      },
+      "math": {
+        "uri": "math/math.dart",
+        "patches": [
+          "_internal/wasm/lib/math_patch.dart",
+          "_internal/wasm/lib/math_externs_patch.dart"
+        ]
       }
     }
   },
@@ -319,12 +374,46 @@
       }
     ],
     "libraries": {
+      "_boxed_double": {
+        "uri": "_internal/wasm/lib/boxed_double.dart",
+        "patches": [
+          "_internal/wasm/lib/boxed_double_patch.dart"
+        ]
+      },
+      "_internal": {
+        "uri": "internal/internal.dart",
+        "patches": [
+          "_internal/wasm/lib/internal_patch.dart",
+          "_internal/wasm/lib/deferred_patch.dart",
+          "_internal/wasm/lib/dynamic_module_patch.dart",
+          "_internal/wasm/lib/internal_json_encode_patch.dart",
+          "_internal/wasm/lib/invoke_main_patch.dart",
+          "_internal/wasm/lib/print_patch.dart"
+        ]
+      },
+      "_wasm": {
+        "uri": "_wasm/wasm_types.dart",
+        "patches": "_internal/wasm/lib/wasm_types_patch.dart"
+      },
       "async": {
         "uri": "async/async.dart",
         "patches": [
           "_internal/wasm/lib/async_patch.dart",
           "_internal/wasm/lib/timer_patch.dart"
         ]
+      },
+      "developer": {
+        "uri": "developer/developer.dart",
+        "patches": [
+          "_internal/js_runtime/lib/developer_patch.dart"
+        ]
+      },
+      "math": {
+        "uri": "math/math.dart",
+        "patches": [
+          "_internal/wasm/lib/math_patch.dart",
+          "_internal/wasm/lib/math_externs_patch.dart"
+        ]
       }
     }
   },
@@ -342,9 +431,6 @@
       "_boxed_int": {
         "uri": "_internal/wasm/lib/boxed_int.dart"
       },
-      "_boxed_double": {
-        "uri": "_internal/wasm/lib/boxed_double.dart"
-      },
       "_compact_hash": {
         "uri": "_internal/wasm/lib/compact_hash.dart"
       },
@@ -357,12 +443,6 @@
           "_internal/js_shared/lib/http_patch.dart"
         ]
       },
-      "_internal": {
-        "uri": "internal/internal.dart",
-        "patches": [
-          "_internal/wasm/lib/internal_patch.dart"
-        ]
-      },
       "_js_string_convert": {
         "uri": "_internal/wasm/lib/js_string_convert.dart"
       },
@@ -381,10 +461,6 @@
       "_string_helper": {
         "uri": "_internal/wasm/lib/string_helper.dart"
       },
-      "_wasm": {
-        "uri": "_wasm/wasm_types.dart",
-        "patches": "_internal/wasm/lib/wasm_types_patch.dart"
-      },
       "collection": {
         "uri": "collection/collection.dart",
         "patches": [
@@ -392,12 +468,6 @@
           "_internal/wasm/lib/hash_factories.dart"
         ]
       },
-      "developer": {
-        "uri": "developer/developer.dart",
-        "patches": [
-          "_internal/js_runtime/lib/developer_patch.dart"
-        ]
-      },
       "ffi": {
         "uri": "ffi/ffi.dart",
         "patches": [
@@ -430,10 +500,6 @@
       "js_interop_unsafe": {
         "uri": "js_interop_unsafe/js_interop_unsafe.dart",
         "patches": "_internal/wasm/lib/js_interop_unsafe_patch.dart"
-      },
-      "math": {
-        "uri": "math/math.dart",
-        "patches": "_internal/wasm/lib/math_patch.dart"
       }
     }
   },
diff --git a/sdk/lib/libraries.yaml b/sdk/lib/libraries.yaml
index 8932fc2558c..8bc73b7555e 100644
--- a/sdk/lib/libraries.yaml
+++ b/sdk/lib/libraries.yaml
@@ -133,6 +133,7 @@ wasm:
         - _internal/vm_shared/lib/bigint_patch.dart
         - _internal/vm_shared/lib/bool_patch.dart
         - _internal/vm_shared/lib/date_patch.dart
+        - _internal/wasm/lib/double_patch.dart
         - _internal/vm_shared/lib/map_patch.dart
         - _internal/vm_shared/lib/null_patch.dart
         - _internal/wasm/lib/array_patch.dart
@@ -141,9 +142,13 @@ wasm:
         - _internal/wasm/lib/date_patch_patch.dart
         - _internal/wasm/lib/int_common_patch.dart
         - _internal/wasm/lib/int_patch.dart
+        - _internal/wasm/lib/regexp_patch.dart
+        - _internal/wasm/lib/stack_trace_patch.dart
         - _internal/wasm/lib/string_buffer_patch.dart
         - _internal/wasm/lib/string_patch.dart
+        - _internal/wasm/lib/stopwatch_patch.dart
         - _internal/wasm/lib/sync_star_patch.dart
+        - _internal/wasm/lib/uri_patch.dart
         - _internal/wasm/lib/weak_patch.dart
     convert:
       uri: convert/convert.dart
@@ -157,11 +162,13 @@ wasm:
     _boxed_int:
       uri: _internal/wasm/lib/boxed_int.dart
       patches:
-        _internal/wasm/lib/boxed_int_to_string.dart
+        _internal/wasm/lib/boxed_int_patch.dart
     _string:
       uri: _internal/wasm/lib/js_string.dart
     _typed_data:
       uri: _internal/wasm/lib/typed_data.dart
+      patches:
+        - _internal/wasm/lib/typed_data_copy_from_js.dart
     _js_helper:
       uri: _internal/wasm/lib/js_helper.dart
       patches:
@@ -181,6 +188,7 @@ wasm_js_compatibility:
         - _internal/vm_shared/lib/bigint_patch.dart
         - _internal/vm_shared/lib/bool_patch.dart
         - _internal/vm_shared/lib/date_patch.dart
+        - _internal/wasm/lib/double_patch.dart
         - _internal/vm_shared/lib/map_patch.dart
         - _internal/vm_shared/lib/null_patch.dart
         - _internal/wasm/lib/array_patch.dart
@@ -189,7 +197,11 @@ wasm_js_compatibility:
         - _internal/wasm/lib/date_patch_patch.dart
         - _internal/wasm/lib/int_common_patch.dart
         - _internal/wasm/lib/int_patch.dart
+        - _internal/wasm/lib/regexp_patch.dart
+        - _internal/wasm/lib/stack_trace_patch.dart
+        - _internal/wasm/lib/stopwatch_patch.dart
         - _internal/wasm/lib/sync_star_patch.dart
+        - _internal/wasm/lib/uri_patch.dart
         - _internal/wasm/lib/weak_patch.dart
         - _internal/wasm_js_compatibility/lib/string_buffer_patch.dart
         - _internal/wasm_js_compatibility/lib/string_patch.dart
@@ -201,7 +213,7 @@ wasm_js_compatibility:
     _boxed_int:
       uri: _internal/wasm/lib/boxed_int.dart
       patches:
-        _internal/wasm_js_compatibility/lib/boxed_int_to_string.dart
+        _internal/wasm_js_compatibility/lib/boxed_int_patch.dart
     _string:
       uri: _internal/wasm/lib/js_string.dart
     _js_helper:
@@ -220,8 +232,6 @@ wasm_standalone:
       patches:
       - _internal/wasm/lib/async_patch.dart
       - _internal/wasm_standalone/lib/timer_patch.dart
-
-    # Not yet migrated
     core:
       uri: core/core.dart
       patches:
@@ -233,17 +243,26 @@ wasm_standalone:
         - _internal/wasm/lib/array_patch.dart
         - _internal/wasm/lib/bigint_patch_patch.dart
         - _internal/wasm/lib/core_patch.dart
-        - _internal/wasm/lib/date_patch_patch.dart
+        - _internal/wasm/lib/double_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+        - _internal/wasm/lib/date_patch_patch.dart  # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
         - _internal/wasm/lib/int_common_patch.dart
         - _internal/wasm/lib/int_patch.dart
-        - _internal/wasm/lib/string_buffer_patch.dart
-        - _internal/wasm/lib/string_patch.dart
+        - _internal/wasm/lib/regexp_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+        - _internal/wasm/lib/stack_trace_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+        - _internal/wasm/lib/string_buffer_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+        - _internal/wasm/lib/string_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+        - _internal/wasm/lib/stopwatch_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
         - _internal/wasm/lib/sync_star_patch.dart
-        - _internal/wasm/lib/weak_patch.dart
+        - _internal/wasm/lib/uri_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+        - _internal/wasm/lib/weak_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
     convert:
       uri: convert/convert.dart
       patches:
-        - _internal/wasm/lib/convert_patch.dart
+        - _internal/wasm/lib/convert_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+    developer:
+      uri: developer/developer.dart
+      patches:
+      - _internal/js_runtime/lib/developer_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
     typed_data:
       uri: typed_data/typed_data.dart
       patches:
@@ -252,25 +271,73 @@ wasm_standalone:
     _boxed_int:
       uri: _internal/wasm/lib/boxed_int.dart
       patches:
-        _internal/wasm/lib/boxed_int_to_string.dart
+        _internal/wasm/lib/boxed_int_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+    _boxed_double:
+      uri: _internal/wasm/lib/boxed_double.dart
+      patches:
+        - _internal/wasm/lib/boxed_double_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
     _string:
-      uri: _internal/wasm/lib/js_string.dart
+      uri: _internal/wasm/lib/js_string.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
     _typed_data:
       uri: _internal/wasm/lib/typed_data.dart
-    _js_helper:
+      patches:
+        - _internal/wasm/lib/typed_data_copy_from_js.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+    _js_helper: # TODO(53884): Remove once other wasm_standalone patches no longer reference this
       uri: _internal/wasm/lib/js_helper.dart
       patches:
         - _internal/wasm/lib/js_helper_patch.dart
+    _internal:
+      uri: internal/internal.dart
+      patches:
+      - _internal/wasm/lib/internal_patch.dart
+      - _internal/wasm/lib/deferred_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+      - _internal/wasm/lib/dynamic_module_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+      - _internal/wasm/lib/internal_json_encode_patch.dart # Needs to be migrated
+      - _internal/wasm/lib/invoke_main_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+      - _internal/wasm/lib/print_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
+    _wasm:
+      uri: _wasm/wasm_types.dart
+      patches: _internal/wasm/lib/wasm_types_patch.dart # TODO(53884): Remove once other wasm_standalone patches no longer reference this
+    math:
+      uri: math/math.dart
+      patches:
+        - _internal/wasm/lib/math_patch.dart
+        - _internal/wasm/lib/math_externs_patch.dart # TODO(53884): Rewrite without JS interop in _internal/wasm_standalone
 
 wasm_js_common:
   include:
     - target: "wasm_common"
   libraries:
+    _boxed_double:
+      uri: _internal/wasm/lib/boxed_double.dart
+      patches:
+        - _internal/wasm/lib/boxed_double_patch.dart
+    _internal:
+      uri: internal/internal.dart
+      patches:
+      - _internal/wasm/lib/internal_patch.dart
+      - _internal/wasm/lib/deferred_patch.dart
+      - _internal/wasm/lib/dynamic_module_patch.dart
+      - _internal/wasm/lib/internal_json_encode_patch.dart
+      - _internal/wasm/lib/invoke_main_patch.dart
+      - _internal/wasm/lib/print_patch.dart
+    _wasm:
+      uri: _wasm/wasm_types.dart
+      patches: _internal/wasm/lib/wasm_types_patch.dart
     async:
       uri: async/async.dart
       patches:
       - _internal/wasm/lib/async_patch.dart
       - _internal/wasm/lib/timer_patch.dart
+    developer:
+      uri: developer/developer.dart
+      patches:
+      - _internal/js_runtime/lib/developer_patch.dart
+    math:
+      uri: math/math.dart
+      patches:
+        - _internal/wasm/lib/math_patch.dart
+        - _internal/wasm/lib/math_externs_patch.dart
 
 wasm_common:
   libraries:
@@ -282,8 +349,6 @@ wasm_common:
       uri: _internal/wasm/lib/boxed_bool.dart
     _boxed_int:
       uri: _internal/wasm/lib/boxed_int.dart
-    _boxed_double:
-      uri: _internal/wasm/lib/boxed_double.dart
     _compact_hash:
       uri: _internal/wasm/lib/compact_hash.dart
     _error_utils:
@@ -292,10 +357,6 @@ wasm_common:
       uri: _http/http.dart
       patches:
         - _internal/js_shared/lib/http_patch.dart
-    _internal:
-      uri: internal/internal.dart
-      patches:
-      - _internal/wasm/lib/internal_patch.dart
     _js_string_convert:
       uri: _internal/wasm/lib/js_string_convert.dart
     _js_types:
@@ -308,18 +369,11 @@ wasm_common:
       uri: _internal/wasm/lib/simd.dart
     _string_helper:
       uri: _internal/wasm/lib/string_helper.dart
-    _wasm:
-      uri: _wasm/wasm_types.dart
-      patches: _internal/wasm/lib/wasm_types_patch.dart
     collection:
       uri: collection/collection.dart
       patches:
       - _internal/vm_shared/lib/collection_patch.dart
       - _internal/wasm/lib/hash_factories.dart
-    developer:
-      uri: developer/developer.dart
-      patches:
-      - _internal/js_runtime/lib/developer_patch.dart
     ffi:
       uri: "ffi/ffi.dart"
       patches:
@@ -345,9 +399,6 @@ wasm_common:
     js_interop_unsafe:
       uri: js_interop_unsafe/js_interop_unsafe.dart
       patches: _internal/wasm/lib/js_interop_unsafe_patch.dart
-    math:
-      uri: math/math.dart
-      patches: _internal/wasm/lib/math_patch.dart
 
 dart2js:
   include:
diff --git a/tests/web/wasm/source_map_simple_test.dart b/tests/web/wasm/source_map_simple_test.dart
index 3636a7007c4..d7231f790dc 100644
--- a/tests/web/wasm/source_map_simple_test.dart
+++ b/tests/web/wasm/source_map_simple_test.dart
@@ -16,18 +16,18 @@ const List<(String?, int?, int?, String?)?> frameDetails = [
   ('source_map_simple_lib.dart', 14, 3, 'f'),
   ('source_map_simple_lib.dart', 43, 5, 'testMain'),
   ('source_map_simple_test.dart', 10, 7, 'main'),
-  ('internal_patch.dart', 126, 13, '_invokeMainArg0'),
+  ('invoke_main_patch.dart', 12, 13, '_invokeMainArg0'),
   null,
-  ('internal_patch.dart', 160, 5, '_invokeMain'),
+  ('invoke_main_patch.dart', 46, 5, '_invokeMain'),
 ];
 
 /*
-    at module0.Error._throwWithCurrentStackTrace <noInline> (wasm://wasm/module0-00110126:wasm-function[108]:0xfd1c)
-    at module0.g (wasm://wasm/module0-00110126:wasm-function[254]:0x11a8e)
-    at module0.f (wasm://wasm/module0-00110126:wasm-function[251]:0x11a64)
-    at module0.testMain (wasm://wasm/module0-00110126:wasm-function[249]:0x115d0)
-    at module0.main (wasm://wasm/module0-00110126:wasm-function[248]:0x1154b)
-    at module0._invokeMainArg0 (wasm://wasm/module0-00110126:wasm-function[247]:0x11541)
-    at module0._invokeMainInternal (wasm://wasm/module0-00110126:wasm-function[82]:0xf8b2)
-    at module0._invokeMain (wasm://wasm/module0-00110126:wasm-function[77]:0xf815)
+    at module0.Error._throwWithCurrentStackTrace <noInline> (wasm://wasm/module0-0010c51a:wasm-function[106]:0xf8c1)
+    at module0.g (wasm://wasm/module0-0010c51a:wasm-function[254]:0x11767)
+    at module0.f (wasm://wasm/module0-0010c51a:wasm-function[251]:0x1173d)
+    at module0.testMain (wasm://wasm/module0-0010c51a:wasm-function[249]:0x112aa)
+    at module0.main (wasm://wasm/module0-0010c51a:wasm-function[248]:0x11226)
+    at module0._invokeMainArg0 (wasm://wasm/module0-0010c51a:wasm-function[247]:0x1121c)
+    at module0._invokeMainInternal (wasm://wasm/module0-0010c51a:wasm-function[81]:0xf50f)
+    at module0._invokeMain (wasm://wasm/module0-0010c51a:wasm-function[76]:0xf476)
 */