Add pomodoro timer

src/pomodoro/data.ts

@@ -0,0 +1,65 @@
+import { PomodoroSettings, TimerEvent } from './interfaces'
+
+const pomodoroTasksKey = 'pomodoro:tasks'
+export function loadTimerEvents(): TimerEvent[] {
+  try {
+    const parsedData = JSON.parse(
+      localStorage.getItem(pomodoroTasksKey) || '[]'
+    )
+
+    return (parsedData as any[]).map(({ date, ...otherProps }) => {
+      const task: TimerEvent = {
+        ...otherProps,
+        date: new Date(date),
+      }
+      return task
+    })
+  } catch (error) {
+    console.warn(error)
+    return []
+  }
+}
+
+export function saveTimerEvents(timerEvents: TimerEvent[]) {
+  const serializedTasks = timerEvents.map(({ ...otherTaskProps }) => {
+    const serializedTask: any = {
+      ...otherTaskProps,
+      date: otherTaskProps.date.toString(),
+    }
+
+    return serializedTask
+  })
+  localStorage.setItem(pomodoroTasksKey, JSON.stringify(serializedTasks))
+}
+
+export const defaultPomodoroSettings: PomodoroSettings = {
+  tickSound: true,
+  pomodoroFinishSound: true,
+  breakFinishSound: true,
+  volume: 1,
+  autoStartBreaks: false,
+  autoStartPomodoros: false,
+  pomodoroDuration: 25 * 60,
+  shortBreakDuration: 5 * 60,
+  longBreakDuration: 15 * 60,
+  longBreakInterval: 4,
+}
+
+const pomodoroSettingsKey = 'pomodoro:settings'
+export function loadPomodoroSettings(): PomodoroSettings {
+  try {
+    const storedValue = localStorage.getItem(pomodoroSettingsKey)
+    if (storedValue == null) {
+      return defaultPomodoroSettings
+    }
+    const settings = JSON.parse(storedValue)
+    return settings
+  } catch (error) {
+    console.warn(error)
+    return defaultPomodoroSettings
+  }
+}
+
+export function savePomodoroSettings(settings: PomodoroSettings) {
+  localStorage.setItem(pomodoroSettingsKey, JSON.stringify(settings))
+}