Add comments to IgnoreWeatherTypeDebuffAttr for documentation

src/data/move.ts

@@ -842,14 +842,27 @@ export class SacrificialFullRestoreAttr extends SacrificialAttr {
   }
 }
 
+/**
+ * Attribute used for moves which ignore type-based debuffs from weather, namely Hydro Steam.
+ * Called during damage calculation after getting said debuff from getAttackTypeMultiplier in the Pokemon class.
+ */
 export class IgnoreWeatherTypeDebuffAttr extends MoveAttr {
   public weather: WeatherType;
   constructor(weather: WeatherType){
     super();
     this.weather = weather;
   }
+  /**
+   * Changes the type-based weather modifier if this move's power would be reduced by it
+   * @param user Pokemon that used the move
+   * @param target N/A
+   * @param move Move with this attribute
+   * @param args Utils.NumberHolder for arenaAttackTypeMultiplier
+   * @returns true if the function succeeds
+   */
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
     const weatherModifier=args[0] as Utils.NumberHolder;
+    //If the type-based attack power modifier due to weather (e.g. Water moves in Sun) is below 1, set it to 1
     if (user.scene.arena.weather?.weatherType === this.weather)
       weatherModifier.value = Math.max(weatherModifier.value, 1);
     return true;