Remove dead code and fix error message

Author: kateinoigakukun

Diff for: Runtime/src/js-value.ts

@@ -92,82 +92,6 @@ export const write = (
     memory.writeUint32(kind_ptr, kind);
 };
 
-export function decompose(value: any, memory: Memory): {
-    kind: JavaScriptValueKindAndFlags;
-    payload1: number;
-    payload2: number;
-} {
-    if (value === null) {
-        return {
-            kind: Kind.Null,
-            payload1: 0,
-            payload2: 0,
-        }
-    }
-    const type = typeof value;
-    switch (type) {
-        case "boolean": {
-            return {
-                kind: Kind.Boolean,
-                payload1: value ? 1 : 0,
-                payload2: 0,
-            }
-        }
-        case "number": {
-            return {
-                kind: Kind.Number,
-                payload1: 0,
-                payload2: value,
-            }
-        }
-        case "string": {
-            return {
-                kind: Kind.String,
-                payload1: memory.retain(value),
-                payload2: 0,
-            }
-        }
-        case "undefined": {
-            return {
-                kind: Kind.Undefined,
-                payload1: 0,
-                payload2: 0,
-            }
-        }
-        case "object": {
-            return {
-                kind: Kind.Object,
-                payload1: memory.retain(value),
-                payload2: 0,
-            }
-        }
-        case "function": {
-            return {
-                kind: Kind.Function,
-                payload1: memory.retain(value),
-                payload2: 0,
-            }
-        }
-        case "symbol": {
-            return {
-                kind: Kind.Symbol,
-                payload1: memory.retain(value),
-                payload2: 0,
-            }
-        }
-        case "bigint": {
-            return {
-                kind: Kind.BigInt,
-                payload1: memory.retain(value),
-                payload2: 0,
-            }
-        }
-        default:
-            assertNever(type, `Type "${type}" is not supported yet`);
-    }
-    throw new Error("unreachable");
-}
-
 export const writeAndReturnKindBits = (
     value: any,
     payload1_ptr: pointer,

Diff for: Sources/JavaScriptEventLoop/JSObject+Transferring.swift

@@ -69,7 +69,7 @@ public struct JSTransferring<T>: @unchecked Sendable {
             self.storage.context.withLock { context in
                 guard context.continuation == nil else {
                     // This is a programming error, `receive` should be called only once.
-                    fatalError("JSObject.Transferring object is already received", file: file, line: line)
+                    fatalError("JSTransferring object is already received", file: file, line: line)
                 }
                 // The continuation will be resumed by `swjs_receive_object`.
                 context.continuation = continuation
@@ -147,7 +147,7 @@ func _swjs_receive_response(_ object: JavaScriptObjectRef, _ transferring: Unsaf
     guard let transferring = transferring else { return }
     let context = Unmanaged<_JSTransferringContext>.fromOpaque(transferring).takeRetainedValue()
     context.withLock { state in
-        assert(state.continuation != nil, "JSObject.Transferring object is not yet received!?")
+        assert(state.continuation != nil, "JSTransferring object is not yet received!?")
         state.continuation?.resume(returning: object)
     }
     #endif
@@ -169,7 +169,7 @@ func _swjs_receive_error(_ error: JavaScriptObjectRef, _ transferring: UnsafeRaw
     guard let transferring = transferring else { return }
     let context = Unmanaged<_JSTransferringContext>.fromOpaque(transferring).takeRetainedValue()
     context.withLock { state in
-        assert(state.continuation != nil, "JSObject.Transferring object is not yet received!?")
+        assert(state.continuation != nil, "JSTransferring object is not yet received!?")
         state.continuation?.resume(throwing: JSException(JSObject(id: error).jsValue))
     }
     #endif