refactor: Fix binary bloat caused by ValueDebugFormat impl (vercel/…

…turborepo#5102)

### Description

```
    Finished release [optimized] target(s) in 0.43s
    Analyzing target/release/libnext_swc_napi.dylib

 File  .text     Size                          Crate Name
 0.1%   0.3% 185.1KiB               swc_css_prefixer <swc_css_prefixer::prefixer::Prefixer as swc_css_visit::VisitMut>::visit_mut_declaration
 0.0%   0.1%  53.9KiB       swc_ecma_transforms_base <swc_ecma_transforms_base::helpers::InjectHelpers>::build_imports::{closure#0}
 0.0%   0.1%  41.4KiB                      next_core <next_core::next_config::NextConfig>::__value_debug_format_NextConfig::{closure#0}
 0.0%   0.1%  39.6KiB                 turbopack_core turbopack_core::register
 0.0%   0.1%  36.5KiB                            std core::ptr::drop_in_place::<<next_core::next_config::NextConfig>::__value_debug_format_NextConfig::{closure#0}>
 0.0%   0.1%  36.5KiB                            std core::ptr::drop_in_place::<<next_core::next_config::NextConfig>::__value_debug_format_NextConfig::{closure#0}>
 0.0%   0.1%  34.5KiB           turbopack_ecmascript turbopack_ecmascript::register
 0.0%   0.1%  34.4KiB                      next_core next_core::register
 0.0%   0.1%  32.6KiB     swc_ecma_transforms_module <swc_ecma_transforms_module::system_js::SystemJs as swc_ecma_visit::Fold>::fold_module
 0.0%   0.0%  30.5KiB                          regex <regex::exec::ExecNoSync as regex::re_trait::RegularExpression>::captures_read_at
 0.0%   0.0%  27.5KiB                   browserslist browserslist::data::caniuse::features::get_feature_stat
 0.0%   0.0%  27.5KiB                            swc <swc::config::Options>::build_as_input::<swc_visit::AndThen<swc_visit::Optional<next_swc::disallow_re_export_all_in_page::DisallowReExportAllInPage>, swc_visit::AndThen<either::Either<swc_e...
 0.0%   0.0%  27.2KiB           turbopack_ecmascript turbopack_ecmascript::references::analyze_ecmascript_module_inline::{closure#0}
```

### Testing Instructions




---

 - Closes WEB-1116

---------

Co-authored-by: Justin Ridgewell <[email protected]>

crates/turbo-tasks-macros/src/derive/value_debug_format_macro.rs

@@ -55,13 +55,7 @@ pub fn derive_value_debug_format(input: TokenStream) -> TokenStream {
 /// Formats a single field nested inside named or unnamed fields.
 fn format_field(value: TokenStream2) -> TokenStream2 {
     quote! {
-        match #value.value_debug_format(depth.saturating_sub(1)).try_to_value_debug_string().await {
-            Ok(result) => match result.await {
-                Ok(result) => result.to_string(),
-                Err(err) => format!("{:?}", err),
-            },
-            Err(err) => format!("{:?}", err),
-        }
+        turbo_tasks::macro_helpers::value_debug_format_field(#value.value_debug_format(depth.saturating_sub(1))).await
     }
 }
 

crates/turbo-tasks/src/lib.rs

@@ -45,6 +45,8 @@ mod id;
 mod id_factory;
 mod invalidation;
 mod join_iter_ext;
+#[doc(hidden)]
+pub mod macro_helpers;
 mod magic_any;
 mod manager;
 mod native_function;
@@ -101,18 +103,16 @@ pub use value_type::{
     ValueType, ValueVc,
 };
 
-#[doc(hidden)]
-pub mod macro_helpers {
-    pub use once_cell::sync::{Lazy, OnceCell};
-    pub use tracing;
-
-    pub use super::manager::{find_cell_by_type, notify_scheduled_tasks, spawn_detached};
-}
-
 pub mod test_helpers {
     pub use super::manager::{current_task_for_testing, with_turbo_tasks_for_testing};
 }
 
 pub fn register() {
     include!(concat!(env!("OUT_DIR"), "/register.rs"));
 }
+
+/// Helper for derive macros
+#[doc(hidden)]
+mod turbo_tasks {
+    pub use crate::macro_helpers;
+}

crates/turbo-tasks/src/macro_helpers.rs

@@ -0,0 +1,17 @@
+//! Runtime helpers for [turbo-tasks-macro].
+pub use once_cell::sync::{Lazy, OnceCell};
+pub use tracing;
+
+pub use super::manager::{find_cell_by_type, notify_scheduled_tasks, spawn_detached};
+use crate::debug::ValueDebugFormatString;
+
+#[inline(never)]
+pub async fn value_debug_format_field(value: ValueDebugFormatString<'_>) -> String {
+    match value.try_to_value_debug_string().await {
+        Ok(result) => match result.await {
+            Ok(result) => result.to_string(),
+            Err(err) => format!("{0:?}", err),
+        },
+        Err(err) => format!("{0:?}", err),
+    }
+}