From 73b176a95ee53d37e0931bfa699eb4889536ebf0 Mon Sep 17 00:00:00 2001
From: xfy <i@rua.plus>
Date: Mon, 25 May 2026 16:58:46 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20remember=20=E7=A8=B3=E5=AE=9A=E5=8C=96?=
 =?UTF-8?q?=20lambda=20=E5=92=8C=E8=AE=A1=E7=AE=97=EF=BC=8C=E5=87=8F?=
 =?UTF-8?q?=E5=B0=91=E9=87=8D=E7=BB=84=E4=BC=A0=E6=92=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- weekNumber: remember(selectedDate) 缓存 getIsoWeekNumber 结果
- onDateClick/onMonthChanged/shiftKindAt: remember 稳定化，避免每次重组创建新 lambda
- onRowHeightMeasured: remember 稳定化

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 .../plus/rua/project/ui/CalendarMonthView.kt  | 44 ++++++++++++-------
 1 file changed, 29 insertions(+), 15 deletions(-)

diff --git a/core/src/main/kotlin/plus/rua/project/ui/CalendarMonthView.kt b/core/src/main/kotlin/plus/rua/project/ui/CalendarMonthView.kt
index 29a7729..3a9fc32 100644
--- a/core/src/main/kotlin/plus/rua/project/ui/CalendarMonthView.kt
+++ b/core/src/main/kotlin/plus/rua/project/ui/CalendarMonthView.kt
@@ -200,18 +200,39 @@ fun CalendarMonthView(
                                 .fillMaxSize()
                                 .padding(horizontal = HORIZONTAL_PADDING_DP.dp)
                         ) {
+                            val weekNumber = remember(selectedDate) {
+                                viewModel.getIsoWeekNumber(selectedDate)
+                            }
+                            val onToday = remember(viewModel, today) {
+                                { viewModel.selectDate(today) }
+                            }
                             MonthHeader(
                                 year = currentYear,
                                 month = currentMonth,
-                                weekNumber = viewModel.getIsoWeekNumber(selectedDate),
+                                weekNumber = weekNumber,
                                 showToday = selectedDate != today,
-                                onToday = {
-                                    viewModel.selectDate(today)
-                                }
+                                onToday = onToday
                             )
                             WeekdayHeader(
                                 modifier = Modifier.fillMaxWidth().padding(bottom = ROW_PADDING_DP.dp)
                             )
+                            val onDateClick = remember(viewModel) {
+                                { date: LocalDate -> viewModel.selectDate(date) }
+                            }
+                            val onMonthChanged = remember(viewModel, today) {
+                                { year: Int, month: Int ->
+                                    @Suppress("DEPRECATION")
+                                    val date = if (year == today.year && today.month.number == month) today
+                                    else LocalDate(year, month, 1)
+                                    viewModel.selectDate(date)
+                                }
+                            }
+                            val shiftKindAt = remember(viewModel) {
+                                { date: LocalDate -> viewModel.shiftKindAt(date) }
+                            }
+                            val onRowHeightMeasured = remember {
+                                { h: Int -> if (h > 0) rowHeightPx = h }
+                            }
                             with(sharedScope) {
                                 CalendarPagerArea(
                                     selectedDate = selectedDate,
@@ -221,17 +242,10 @@ fun CalendarMonthView(
                                     showLegalHoliday = showLegalHoliday,
                                     rowHeightPx = rowHeightPx,
                                     screenWidthPx = screenWidthPx,
-                                    onDateClick = { date -> viewModel.selectDate(date) },
-                                    onMonthChanged = { year, month ->
-                                        @Suppress("DEPRECATION")
-                                        val date = if (year == today.year && today.month.number == month) today
-                                            else LocalDate(year, month, 1)
-                                        viewModel.selectDate(date)
-                                    },
-                                    shiftKindAt = { date -> viewModel.shiftKindAt(date) },
-                                    onRowHeightMeasured = { h ->
-                                        if (h > 0) rowHeightPx = h
-                                    },
+                                    onDateClick = onDateClick,
+                                    onMonthChanged = onMonthChanged,
+                                    shiftKindAt = shiftKindAt,
+                                    onRowHeightMeasured = onRowHeightMeasured,
                                     pagerState = pagerState,
                                     modifier = Modifier
                                         .sharedElement(