hide api_doc module behind cfg(doc)

frame/contracts/proc-macro/src/lib.rs

@@ -493,6 +493,7 @@ fn expand_env(def: &mut EnvDef, docs: bool) -> TokenStream2 {
 		/// Every function described in this module's sub module's traits uses this sub module's identifier
 		/// as its imported module name. The identifier of the function is the function's imported name.
 		/// According to the [WASM spec of imports](https://webassembly.github.io/spec/core/text/modules.html#text-import).
+		#[cfg(doc)]
 		pub mod api_doc {
 			#docs
 		}

frame/contracts/src/lib.rs

@@ -131,9 +131,12 @@ pub use crate::{
 	migration::Migration,
 	pallet::*,
 	schedule::{HostFnWeights, InstructionWeights, Limits, Schedule},
-	wasm::{api_doc, Determinism},
+	wasm::Determinism,
 };
 
+#[cfg(doc)]
+pub use crate::wasm::api_doc;
+
 type CodeHash<T> = <T as frame_system::Config>::Hash;
 type TrieId = BoundedVec<u8, ConstU32<128>>;
 type BalanceOf<T> =

frame/contracts/src/wasm/mod.rs

@@ -26,9 +26,12 @@ mod runtime;
 pub use crate::wasm::code_cache::reinstrument;
 pub use crate::wasm::{
 	prepare::TryInstantiate,
-	runtime::{api_doc, CallFlags, Environment, ReturnCode, Runtime, RuntimeCosts},
+	runtime::{CallFlags, Environment, ReturnCode, Runtime, RuntimeCosts},
 };
 
+#[cfg(doc)]
+pub use crate::wasm::runtime::api_doc;
+
 use crate::{
 	exec::{ExecResult, Executable, ExportedFunction, Ext},
 	gas::GasMeter,