Use a re-exported serde_json dependency in macros

Fixes #1172

examples/actix-web-multiple-api-docs-with-scopes/Cargo.toml

@@ -13,7 +13,6 @@ authors = [
 [dependencies]
 actix-web = "4"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11.0"
 log = "0.4"
 futures = "0.3"

examples/actix-web-scopes-binding/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2021"
 [dependencies]
 actix-web = "4"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11.0"
 log = "0.4"
 futures = "0.3"

examples/axum-multipart/Cargo.toml

@@ -11,6 +11,5 @@ utoipa = { version = "5", features = ["axum_extras"] }
 utoipa-swagger-ui = { version = "8", features = ["axum"] }
 utoipa-axum = "0.1"
 serde = { features = ["derive"], version = "1" }
-serde_json = "1"
 
 [workspace]

examples/axum-utoipa-bindings/Cargo.toml

@@ -11,6 +11,5 @@ utoipa = { path = "../../utoipa", features = ["axum_extras", "debug"] }
 utoipa-swagger-ui = { path = "../../utoipa-swagger-ui", features = ["axum"] }
 utoipa-axum = { path = "../../utoipa-axum" ,features = ["debug"] }
 serde = "1"
-serde_json = "1"
 
 [workspace]

examples/axum-utoipa-nesting-vendored/Cargo.toml

@@ -15,7 +15,6 @@ tower = "0.5"
 utoipa = { path = "../../utoipa", features = ["axum_extras"] }
 utoipa-swagger-ui = { path = "../../utoipa-swagger-ui", features = ["axum", "vendored"], default-features = false }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11"
 log = "0.4"
 

examples/generics-actix/Cargo.toml

@@ -15,7 +15,6 @@ actix-web = "4"
 env_logger = "0.10.0"
 geo-types = { version = "0.7", features = ["serde"] }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 utoipa = { path = "../../utoipa", features = ["actix_extras", "non_strict_integers"] }
 utoipa-swagger-ui = { path = "../../utoipa-swagger-ui", features = ["actix-web"] }
 

examples/todo-actix/Cargo.toml

@@ -11,7 +11,6 @@ authors = ["Example <[email protected]>"]
 [dependencies]
 actix-web = "4"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11"
 log = "0.4"
 futures = "0.3"

examples/todo-axum/Cargo.toml

@@ -20,6 +20,5 @@ utoipa-redoc = { path = "../../utoipa-redoc", features = ["axum"] }
 utoipa-rapidoc = { path = "../../utoipa-rapidoc", features = ["axum"] }
 utoipa-scalar = { path = "../../utoipa-scalar", features = ["axum"] }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 
 [workspace]

examples/todo-warp-rapidoc/Cargo.toml

@@ -12,7 +12,6 @@ authors = [
 tokio = { version = "1", features = ["full"] }
 warp = "0.3"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11.0"
 log = "0.4"
 futures = "0.3"

examples/todo-warp-redoc-with-file-config/Cargo.toml

@@ -12,7 +12,6 @@ authors = ["Elli Example <[email protected]>"]
 tokio = { version = "1", features = ["full"] }
 warp = "0.3"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11.0"
 log = "0.4"
 futures = "0.3"

examples/todo-warp/Cargo.toml

@@ -14,7 +14,6 @@ authors = [
 tokio = { version = "1", features = ["full"] }
 warp = "0.3"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.11.0"
 log = "0.4"
 futures = "0.3"

examples/warp-multiple-api-docs/Cargo.toml

@@ -14,7 +14,6 @@ authors = [
 tokio = { version = "1", features = ["full"] }
 warp = "0.3"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 env_logger = "0.10.0"
 log = "0.4"
 futures = "0.3"

utoipa-gen/src/component/schema.rs

@@ -281,7 +281,7 @@ impl UnitStructVariant {
         let mut tokens = quote! {
             utoipa::openapi::Object::builder()
                 .schema_type(utoipa::openapi::schema::SchemaType::AnyValue)
-                .default(Some(serde_json::Value::Null))
+                .default(Some(utoipa::gen::serde_json::Value::Null))
         };
 
         let mut features = features::parse_schema_features_with(root.attributes, |input| {

utoipa-gen/src/component/schema/enums.rs

@@ -774,7 +774,7 @@ where
             tokens.extend(quote! {
                 utoipa::openapi::schema::Object::builder()
                     .schema_type(utoipa::openapi::schema::Type::Null)
-                    .default(Some(serde_json::Value::Null))
+                    .default(Some(utoipa::gen::serde_json::Value::Null))
             })
         }
 

utoipa-gen/src/lib.rs

@@ -3341,14 +3341,14 @@ impl ToTokens for AnyValue {
     fn to_tokens(&self, tokens: &mut TokenStream2) {
         match self {
             Self::Json(json) => tokens.extend(quote! {
-                serde_json::json!(#json)
+                utoipa::gen::serde_json::json!(#json)
             }),
             Self::String(string) => string.to_tokens(tokens),
             Self::DefaultTrait {
                 struct_ident,
                 field_ident,
             } => tokens.extend(quote! {
-                serde_json::to_value(#struct_ident::default().#field_ident).unwrap()
+                utoipa::gen::serde_json::to_value(#struct_ident::default().#field_ident).unwrap()
             }),
         }
     }

utoipa/src/gen.rs

@@ -0,0 +1 @@
+pub use serde_json;

utoipa/src/lib.rs

@@ -234,6 +234,12 @@
 
 pub mod openapi;
 
+#[cfg(feature = "macros")]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "macros")))]
+#[doc(hidden)]
+/// Public re-exports for utoipa-gen.
+pub mod gen;
+
 use std::borrow::Cow;
 use std::collections::BTreeMap;
 use std::option::Option;