perf(serialization): 优化颜色模块的序列化性能

使用直接序列化结构代替中间JSON对象，减少内存分配和转换开销

color-module/src/schemes/q_style_2/color_set.rs

@@ -3,8 +3,7 @@ use std::sync::Arc;
 
 use linked_hash_map::LinkedHashMap;
 use palette::{Oklch, color_difference::Wcag21RelativeContrast, luma::Luma};
-use serde::Serialize;
-use serde_json::json;
+use serde::{Serialize, ser::SerializeStruct};
 
 use crate::{
     convert::{map_oklch_to_luma, map_oklch_to_srgb_hex},
@@ -281,15 +280,14 @@ impl Serialize for ColorSet {
         let on_root = map_oklch_to_srgb_hex(&self.on_root);
         let on_disabled = map_oklch_to_srgb_hex(&self.on_disabled);
 
-        let color_set_object = json!({
-            "root": root,
-            "hover": hover,
-            "active": active,
-            "focus": focus,
-            "disabled": disabled,
-            "onRoot": on_root,
-            "onDisabled": on_disabled,
-        });
-        color_set_object.serialize(serializer)
+        let mut state = serializer.serialize_struct("ColorSet", 6)?;
+        state.serialize_field("root", &root)?;
+        state.serialize_field("hover", &hover)?;
+        state.serialize_field("active", &active)?;
+        state.serialize_field("focus", &focus)?;
+        state.serialize_field("disabled", &disabled)?;
+        state.serialize_field("onRoot", &on_root)?;
+        state.serialize_field("onDisabled", &on_disabled)?;
+        state.end()
     }
 }

color-module/src/schemes/q_style_2/swatch.rs

@@ -1,7 +1,7 @@
+use internment::Intern;
 use linked_hash_map::LinkedHashMap;
 use palette::Oklch;
-use serde::Serialize;
-use serde_json::Value;
+use serde::{Serialize, ser::SerializeStruct};
 
 use crate::convert::map_oklch_to_srgb_hex;
 
@@ -77,20 +77,23 @@ impl Swatch {
     }
 }
 
+fn get_static_str(s: &str) -> &'static str {
+    Intern::new(s.to_string()).as_ref()
+}
+
 impl Serialize for Swatch {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where
         S: serde::Serializer,
     {
-        let swatch_object = SWATCH_LIGHTINGS
-            .iter()
-            .map(|l| {
-                let color = self.get_hex(*l);
-                let key = format!("{l:02}");
-                (key, color)
-            })
-            .collect::<Value>();
+        let mut state = serializer.serialize_struct("Swatch", SWATCH_LIGHTINGS.len())?;
 
-        swatch_object.serialize(serializer)
+        for l in SWATCH_LIGHTINGS {
+            let color = self.get_hex(l);
+            let key: &'static str = get_static_str(&format!("{l:02}"));
+            state.serialize_field(key, &color)?;
+        }
+
+        state.end()
     }
 }