feat: comment limit

(cherry picked from commit a46c4b2)

src/@types/config.d.ts

@@ -60,6 +60,8 @@ type BaseConfig = {
   letterSpacing: number;
   scriptCharOffset: number;
   plugins: IPluginConstructor[];
+  commentLimit: number | undefined;
+  hideCommentOrder: "asc" | "desc";
 };
 
 export type Config = Partial<BaseConfig>;

src/definition/config.ts

@@ -270,6 +270,8 @@ const initConfig = () => {
     },
     letterSpacing: 1,
     scriptCharOffset: 0.12,
+    commentLimit: undefined,
+    hideCommentOrder: "asc",
   };
 };
 

src/main.ts

@@ -475,7 +475,16 @@ class NiconiComments {
     }
 
     if (timelineRange) {
-      for (const comment of timelineRange) {
+      const targetComment = (() => {
+        if (config.commentLimit === undefined) {
+          return timelineRange;
+        }
+        if (config.hideCommentOrder === "asc") {
+          return timelineRange.slice(-config.commentLimit);
+        }
+        return timelineRange.slice(0, config.commentLimit);
+      })();
+      for (const comment of targetComment) {
         if (comment.invisible) {
           continue;
         }