From b856aadae58a5f0152d574baa435916a64ad3148 Mon Sep 17 00:00:00 2001
From: Jesse Lerner <jdl217@scarletmail.rutgers.edu>
Date: Wed, 15 May 2024 00:55:19 -0400
Subject: [PATCH] Added documentation

---
 src/data/ability.ts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/data/ability.ts b/src/data/ability.ts
index bd4c54128..325ac57d1 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -2126,10 +2126,21 @@ export class PostTerrainChangeAddBattlerTagAttr extends PostTerrainChangeAbAttr
   }
 }
 
+/**
+ * When the terrain changes or the pokemon is summoned, change its type according to
+ * a Record passed into the constructor.
+ * @
+ * @extends PostTerrainChangeAbAttr
+ * @see {@link applyPostTerrainChange}
+ */
 export class PostTerrainChangeTypeAttr extends PostTerrainChangeAbAttr {
-  private oldType: Type[];
   private terrainToTypeMap: Record<TerrainType, Type>;
 
+  /**
+   * @param {Record<TerrainType, Type>} terrainToTypeMap a map from terrain types to pokemon 
+   *                types containing information about what type to change to. 
+   *                Type.UNKOWN reverts to original typing.
+   */
   constructor(terrainToTypeMap: Record<TerrainType, Type>) {
     super();
     this.terrainToTypeMap = terrainToTypeMap;