add feature for serde_bytes::ByteBuf

schemars/Cargo.toml

@@ -32,6 +32,7 @@ smallvec1 = { version = "1.0", default-features = false, optional = true, packag
 smol_str02 = { version = "0.2.1", default-features = false, optional = true, package = "smol_str" }
 url2 = { version = "2.0", default-features = false, optional = true, package = "url" }
 uuid1 = { version = "1.0", default-features = false, optional = true, package = "uuid" }
+serde_bytes = { version = "0.11.12", optional = true }
 
 [dev-dependencies]
 pretty_assertions = "1.2.1"
@@ -76,13 +77,19 @@ preserve_order  = ["serde_json/preserve_order"]
 # Implements `JsonSchema` on `serde_json::value::RawValue`
 raw_value = ["serde_json/raw_value"]
 
+serde_bytes = ["dep:serde_bytes"]
+
 # For internal/CI use only
 _ui_test = []
 
 [[test]]
 name = "ui"
 required-features = ["_ui_test"]
 
+[[test]]
+name = "serde_bytes"
+required-features = ["serde_bytes"]
+
 [package.metadata.docs.rs]
 all-features = true
 rustdoc-args = ["--extend-css", "docs-rs-custom.css"]

schemars/src/json_schema_impls/mod.rs

@@ -45,6 +45,8 @@ mod maps;
 mod nonzero;
 mod primitives;
 mod sequences;
+#[cfg(feature = "serde_bytes")]
+mod serde_bytes;
 mod serdejson;
 mod std_time;
 mod tuple;

schemars/src/json_schema_impls/serde_bytes.rs

@@ -0,0 +1,9 @@
+use crate::JsonSchema;
+use serde_bytes::ByteBuf;
+
+forward_impl!((JsonSchema for ByteBuf) => alloc::vec::Vec<u8>);
+// Because Bytes is a wrapper around [u8] which is not `Sized`
+// I couldn't get it through the testsuite to check if this actually works.
+//
+// use serde_bytes::Bytes;
+// forward_impl!((JsonSchema for Bytes) => Vec<u8>);

schemars/tests/serde_bytes.rs

@@ -0,0 +1,8 @@
+mod util;
+use serde_bytes::ByteBuf;
+use util::*;
+
+#[test]
+fn bytes() -> TestResult {
+    test_default_generated_schema::<(ByteBuf, ByteBuf)>("bytes")
+}