chore: scaffold Expo project with types and utils

src/types.ts

@@ -0,0 +1,23 @@
+export type SyncStatus = 'local' | 'synced'
+
+export type Measurement = {
+  id: string
+  weight: number
+  bmi: number
+  bodyFatPercentage: number
+  fatMass: number
+  musclePercentage: number
+  muscleMass: number
+  visceralFat: number
+  bmr: number
+  measuredAt: string
+  createdAt: string
+  updatedAt: string
+  syncStatus: SyncStatus
+}
+
+export type WebDAVConfig = {
+  url: string
+  username: string
+  password: string
+}

src/utils/uuid.ts

@@ -0,0 +1,13 @@
+export function generateId(): string {
+  const chars = '0123456789abcdef'
+  const segments = [8, 4, 4, 4, 12]
+  return segments
+    .map(len => {
+      let s = ''
+      for (let i = 0; i < len; i++) {
+        s += chars[Math.floor(Math.random() * 16)]
+      }
+      return s
+    })
+    .join('-')
+}