Add enum for hit check result

Co-authored-by: innerthunder <brandonerickson98@gmail.com>

src/enums/hit-check-result.ts

@@ -0,0 +1,19 @@
+/** Represent the result of a hit check against a target. */
+export const HitCheckResult = {
+  /** Hit checks haven't been evaluated yet in this pass */
+  PENDING: 0,
+  /** The move hits the target successfully */
+  HIT: 1,
+  /** The move has no effect on the target */
+  NO_EFFECT: 2,
+  /** The move has no effect on the target, but doesn't proc the default "no effect" message. */
+  NO_EFFECT_NO_MESSAGE: 3,
+  /** The target protected itself against the move */
+  PROTECTED: 4,
+  /** The move missed the target */
+  MISS: 5,
+  /** The move failed unexpectedly */
+  ERROR: 6,
+} as const;
+
+export type HitCheckResult = typeof HitCheckResult[keyof typeof HitCheckResult];