From 85c871cec13d11a68f479aa7cdd72afbc0cffad4 Mon Sep 17 00:00:00 2001
From: Vick Scarlet <scarlet_vick@outlook.com>
Date: Thu, 30 Jul 2026 20:29:08 +0800
Subject: [PATCH] update: state FlatState

---
 packages/core/src/state.spec.ts | 12 +++++-------
 packages/core/src/state.ts      | 19 +++++++++----------
 2 files changed, 14 insertions(+), 17 deletions(-)

diff --git a/packages/core/src/state.spec.ts b/packages/core/src/state.spec.ts
index 055da24..a459567 100644
--- a/packages/core/src/state.spec.ts
+++ b/packages/core/src/state.spec.ts
@@ -42,8 +42,8 @@ function getPropertiesFromCondition(condition: string): Set<string> {
     return properties
 }
 
-describe('策划配置条件完整覆盖率测试', () => {
-    test('event [include, exclude, branch]', () => {
+describe('FlatState', () => {
+    test('[Cover] event(include, exclude, branch)', () => {
         const unmappedKeys = new Set<string>()
         for (const item of events.values()) {
             const conditionsToTrack: { label: string; text: string }[] = []
@@ -85,7 +85,7 @@ describe('策划配置条件完整覆盖率测试', () => {
         expect(unmappedKeys.size).toBe(0)
     })
 
-    test('talent [condition]', () => {
+    test('[Cover] talent(condition)', () => {
         const unmappedKeys = new Set<string>()
         const allTalentItems = talents.values()
 
@@ -111,7 +111,7 @@ describe('策划配置条件完整覆盖率测试', () => {
         expect(unmappedKeys.size).toBe(0)
     })
 
-    test('achievement [condition]', () => {
+    test('[Cover] achievement(condition)', () => {
         const unmappedKeys = new Set<string>()
         const allAchievementItems = achievements.values()
 
@@ -136,10 +136,8 @@ describe('策划配置条件完整覆盖率测试', () => {
 
         expect(unmappedKeys.size).toBe(0)
     })
-})
 
-describe('FlatProperties', () => {
-    test('check key', () => {
+    test('get', () => {
         const game = {
             lowest: {
                 age: 1,
diff --git a/packages/core/src/state.ts b/packages/core/src/state.ts
index edb60e1..bf8359c 100644
--- a/packages/core/src/state.ts
+++ b/packages/core/src/state.ts
@@ -85,13 +85,15 @@ export interface FlatState {
     SUM: number
 }
 
-interface FlatPropertiesTarget {
+type FlatStateKey = keyof FlatState
+
+interface FlatTarget {
     game: GameState
     profile: ProfileState
 }
 
-type FlatMapper<Key extends keyof FlatState> = (
-    state: FlatPropertiesTarget,
+type FlatMapper<Key extends FlatStateKey> = (
+    state: FlatTarget,
 ) => FlatState[Key]
 
 const FlatMappers = {
@@ -125,20 +127,17 @@ const FlatMappers = {
         const s = sum(Object.values(others))
         return Math.floor(s * 2 + age / 2)
     },
-} as Record<keyof FlatState, FlatMapper<keyof FlatState>>
+} as { [Key in FlatStateKey]: FlatMapper<Key> }
 
-const flatPropertiesHandle = {
-    get(target: FlatPropertiesTarget, prop: keyof FlatState) {
+const flatStateHandle = {
+    get<Key extends FlatStateKey>(target: FlatTarget, prop: Key) {
         return FlatMappers[prop]?.(target)
     },
     set: () => true,
 }
 
 export function createFlatState(game: GameState, profile: ProfileState) {
-    return new Proxy(
-        { game, profile },
-        flatPropertiesHandle,
-    ) as unknown as FlatState
+    return new Proxy({ game, profile }, flatStateHandle) as unknown as FlatState
 }
 
 export interface Effect {