v0.1.7 - 저장 레이어 분리 시작

src/lib/plannerStorage.js

@@ -0,0 +1,92 @@
+const STORAGE_KEY = 'ten-minute-planner-state'
+
+function readStorageState() {
+  if (typeof window === 'undefined') {
+    return {}
+  }
+
+  try {
+    return JSON.parse(window.localStorage.getItem(STORAGE_KEY) ?? '{}')
+  } catch (error) {
+    console.warn('저장된 플래너 상태를 불러오지 못했습니다.', error)
+    return {}
+  }
+}
+
+export function createInitialPlannerRecords(seedRecords, normalizeRecord) {
+  const baseRecords = Object.fromEntries(
+    Object.entries(seedRecords).map(([key, record]) => [key, normalizeRecord(record)]),
+  )
+
+  const savedState = readStorageState()
+  const savedRecords = savedState.records ?? {}
+
+  Object.entries(savedRecords).forEach(([key, record]) => {
+    baseRecords[key] = normalizeRecord(record)
+  })
+
+  return baseRecords
+}
+
+export function restorePlannerUiState({
+  selectedDate,
+  calendarViewDate,
+  statsRangeStart,
+  statsRangeEnd,
+  toDateValue,
+}) {
+  const savedState = readStorageState()
+
+  if (savedState.selectedDate) {
+    selectedDate.value = toDateValue(savedState.selectedDate, selectedDate.value)
+  }
+
+  if (savedState.calendarViewDate) {
+    calendarViewDate.value = toDateValue(savedState.calendarViewDate, selectedDate.value)
+  } else {
+    calendarViewDate.value = new Date(selectedDate.value)
+  }
+
+  if (savedState.statsRangeStart) {
+    statsRangeStart.value = savedState.statsRangeStart
+  }
+
+  if (savedState.statsRangeEnd) {
+    statsRangeEnd.value = savedState.statsRangeEnd
+  }
+}
+
+export function persistPlannerState({
+  plannerRecords,
+  selectedDate,
+  calendarViewDate,
+  statsRangeStart,
+  statsRangeEnd,
+}) {
+  if (typeof window === 'undefined') {
+    return
+  }
+
+  const serializableRecords = Object.fromEntries(
+    Object.entries(plannerRecords).map(([key, record]) => [
+      key,
+      {
+        ...record,
+        tasks: record.tasks.map((task) => ({ ...task })),
+        memo: record.memo.map((item) => ({ ...item })),
+        timetable: [...record.timetable],
+      },
+    ]),
+  )
+
+  window.localStorage.setItem(
+    STORAGE_KEY,
+    JSON.stringify({
+      selectedDate: selectedDate.toISOString(),
+      calendarViewDate: calendarViewDate.toISOString(),
+      statsRangeStart,
+      statsRangeEnd,
+      records: serializableRecords,
+    }),
+  )
+}