v0.6.1

Fix a compile error that can occur when deriving `JsonSchema` from a project that doesn't reference serde_json

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [0.6.1] - 2019-12-09
+### Fixed:
+- Fix a compile error that can occur when deriving `JsonSchema` from a project that doesn't reference serde_json
+
 ## [0.6.0] - 2019-12-09
 ### Added:
 - When deriving `JsonSchema`, the schema's `title` and `description` are now set from `#[doc]` comments (https://github.com/GREsau/schemars/issues/7)

schemars/Cargo.toml

@@ -2,7 +2,7 @@
 name = "schemars"
 description = "Generate JSON Schemas from Rust code"
 repository = "https://github.com/GREsau/schemars"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Graham Esau <gesau@hotmail.co.uk>"]
 edition = "2018"
 license = "MIT"
@@ -12,7 +12,7 @@ categories = ["encoding"]
 build = "build.rs"
 
 [dependencies]
-schemars_derive = { version = "0.6.0", path = "../schemars_derive" }
+schemars_derive = { version = "=0.6.1", path = "../schemars_derive" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 chrono = { version = "0.4", default-features = false, optional = true }

schemars/src/lib.rs

@@ -195,6 +195,10 @@ pub mod schema;
 
 pub use schemars_derive::*;
 
+// Export serde_json so schemars_derive can use it
+#[doc(hidden)]
+pub use serde_json as _serde_json;
+
 use schema::Schema;
 
 /// A type which can be described as a JSON Schema document.
@@ -215,64 +219,64 @@ use schema::Schema;
 /// let my_schema = schema_for!(MyStruct);
 /// ```
 pub trait JsonSchema {
-    /// Whether JSON Schemas generated for this type should be re-used where possible using the `$ref` keyword.
+  /// Whether JSON Schemas generated for this type should be re-used where possible using the `$ref` keyword.
-    ///
+  ///
-    /// For trivial types (such as primitives), this should return `false`. For more complex types, it should return `true`.
+  /// For trivial types (such as primitives), this should return `false`. For more complex types, it should return `true`.
-    /// For recursive types, this *must* return `true` to prevent infinite cycles when generating schemas.
+  /// For recursive types, this *must* return `true` to prevent infinite cycles when generating schemas.
-    ///
+  ///
-    /// By default, this returns `true`.
+  /// By default, this returns `true`.
-    fn is_referenceable() -> bool {
+  fn is_referenceable() -> bool {
-        true
+    true
-    }
+  }
 
-    /// The name of the generated JSON Schema.
+  /// The name of the generated JSON Schema.
-    ///
+  ///
-    /// This is used as the title for root schemas, and the key within the `definitions` property for subschemas.
+  /// This is used as the title for root schemas, and the key within the `definitions` property for subschemas.
-    fn schema_name() -> String;
+  fn schema_name() -> String;
 
-    /// Generates a JSON Schema for this type.
+  /// Generates a JSON Schema for this type.
-    ///
+  ///
-    /// If the returned schema depends on any [referenceable](JsonSchema::is_referenceable) schemas, then this method will
+  /// If the returned schema depends on any [referenceable](JsonSchema::is_referenceable) schemas, then this method will
-    /// add them to the [`SchemaGenerator`](gen::SchemaGenerator)'s schema definitions.
+  /// add them to the [`SchemaGenerator`](gen::SchemaGenerator)'s schema definitions.
-    ///
+  ///
-    /// This should not return a `$ref` schema.
+  /// This should not return a `$ref` schema.
-    fn json_schema(gen: &mut gen::SchemaGenerator) -> Schema;
+  fn json_schema(gen: &mut gen::SchemaGenerator) -> Schema;
 
-    /// Helper for generating schemas for flattened `Option` fields.
+  /// Helper for generating schemas for flattened `Option` fields.
-    ///
+  ///
-    /// This should not need to be called or implemented by code outside of `schemars`.
+  /// This should not need to be called or implemented by code outside of `schemars`.
-    #[doc(hidden)]
+  #[doc(hidden)]
-    fn json_schema_optional(gen: &mut gen::SchemaGenerator) -> Schema {
+  fn json_schema_optional(gen: &mut gen::SchemaGenerator) -> Schema {
-        Self::json_schema(gen)
+    Self::json_schema(gen)
-    }
+  }
 }
 
 #[cfg(test)]
 pub mod tests {
-    use super::*;
+  use super::*;
 
-    pub fn schema_object_for<T: JsonSchema>() -> schema::SchemaObject {
+  pub fn schema_object_for<T: JsonSchema>() -> schema::SchemaObject {
-        schema_object(schema_for::<T>())
+    schema_object(schema_for::<T>())
-    }
+  }
 
-    pub fn custom_schema_object_for<T: JsonSchema>(
+  pub fn custom_schema_object_for<T: JsonSchema>(
-        settings: gen::SchemaSettings,
+    settings: gen::SchemaSettings,
-    ) -> schema::SchemaObject {
+  ) -> schema::SchemaObject {
-        schema_object(custom_schema_for::<T>(settings))
+    schema_object(custom_schema_for::<T>(settings))
-    }
+  }
 
-    pub fn schema_for<T: JsonSchema>() -> schema::Schema {
+  pub fn schema_for<T: JsonSchema>() -> schema::Schema {
-        custom_schema_for::<T>(Default::default())
+    custom_schema_for::<T>(Default::default())
-    }
+  }
 
-    pub fn custom_schema_for<T: JsonSchema>(settings: gen::SchemaSettings) -> schema::Schema {
+  pub fn custom_schema_for<T: JsonSchema>(settings: gen::SchemaSettings) -> schema::Schema {
-        T::json_schema(&mut gen::SchemaGenerator::new(settings))
+    T::json_schema(&mut gen::SchemaGenerator::new(settings))
-    }
+  }
 
-    pub fn schema_object(schema: schema::Schema) -> schema::SchemaObject {
+  pub fn schema_object(schema: schema::Schema) -> schema::SchemaObject {
-        match schema {
+    match schema {
-            schema::Schema::Object(o) => o,
+      schema::Schema::Object(o) => o,
-            s => panic!("Schema was not an object: {:?}", s),
+      s => panic!("Schema was not an object: {:?}", s),
-        }
     }
+  }
 }

schemars_derive/Cargo.toml

@@ -2,7 +2,7 @@
 name = "schemars_derive"
 description = "Macros for #[derive(JsonSchema)], for use with schemars"
 repository = "https://github.com/GREsau/schemars"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Graham Esau <gesau@hotmail.co.uk>"]
 edition = "2018"
 license = "MIT"

schemars_derive/src/metadata.rs

@@ -59,12 +59,12 @@ pub fn set_metadata_on_schema(schema_expr: TokenStream, metadata: &SchemaMetadat
             {
                 let default = #default;
                 if !#skip_if(&default) {
-                    metadata.default = serde_json::value::to_value(default).ok();
+                    metadata.default = schemars::_serde_json::value::to_value(default).ok();
                 }
             }
         }),
         (Some(default), None) => setters.push(quote! {
-            metadata.default = serde_json::value::to_value(#default).ok();
+            metadata.default = schemars::_serde_json::value::to_value(#default).ok();
         }),
         _ => {}
     }