Include a query where the user can exclude trophies based on title (#276)

* First step to developing a feature to exclude speicifc trophies by title

* Added support for exclusion by title

* Ran deno lint, deno format and deno test found in CONTRIBUTING

* Documented the latest addition in the README

* Updated README

Author: a2ys

README.md

@@ -124,6 +124,12 @@ If you want to specify multiple titles.
 https://github-profile-trophy.vercel.app/?username=ryo-ma&title=Stars,Followers
 ```
 
+You can also exclude the trophies you don't want to display.
+
+```
+https://github-profile-trophy.vercel.app/?username=ryo-ma&title=-Stars,-Followers
+```
+
 ## Filter by ranks
 
 You can filter the display by specifying the ranks.\

src/card.ts

@@ -29,7 +29,13 @@ export class Card {
     trophyList.filterByHidden();
 
     if (this.titles.length != 0) {
-      trophyList.filterByTitles(this.titles);
+      const includeTitles = this.titles.filter((title) =>
+        !title.startsWith("-")
+      );
+      if (includeTitles.length > 0) {
+        trophyList.filterByTitles(includeTitles);
+      }
+      trophyList.filterByExclusionTitles(this.titles);
     }
 
     if (this.ranks.length != 0) {

src/trophy_list.ts

@@ -76,6 +76,16 @@ export class TrophyList {
       ranks.includes(trophy.rank)
     );
   }
+  filterByExclusionTitles(titles: Array<string>) {
+    const excludeTitles = titles.filter((title) => title.startsWith("-")).map(
+      (title) => title.substring(1),
+    );
+    if (excludeTitles.length > 0) {
+      this.trophies = this.trophies.filter((trophy) =>
+        !excludeTitles.includes(trophy.title)
+      );
+    }
+  }
   sortByRank() {
     this.trophies = this.trophies.toSorted((a: Trophy, b: Trophy) =>
       RANK_ORDER.indexOf(a.rank) - RANK_ORDER.indexOf(b.rank)