Initial release of Web Tools 0.0.5

src/composables/useNavigation.ts

@@ -0,0 +1,58 @@
+import { readonly, ref } from 'vue'
+import defaultNavigationData from '@shared/default-navigation.json'
+import type { NavigationConfig } from '@/types'
+
+const navigation = ref<NavigationConfig>(structuredClone(defaultNavigationData) as NavigationConfig)
+const loading = ref(false)
+const loadError = ref('')
+let loaded = false
+let pendingLoad: Promise<void> | undefined
+
+export function useNavigation() {
+  async function loadNavigation(force = false) {
+    if (loaded && !force) return
+    if (pendingLoad && !force) return pendingLoad
+    pendingLoad = (async () => {
+      loading.value = true
+      loadError.value = ''
+      try {
+        const response = await fetch('/api/navigation', { headers: { Accept: 'application/json' } })
+        if (!response.ok) throw new Error(`读取配置失败（${response.status}）`)
+        navigation.value = await response.json() as NavigationConfig
+        loaded = true
+      } catch (error) {
+        loadError.value = error instanceof Error ? error.message : '读取配置失败'
+      } finally {
+        loading.value = false
+        pendingLoad = undefined
+      }
+    })()
+    return pendingLoad
+  }
+
+  async function saveNavigation(next: NavigationConfig) {
+    const response = await fetch('/api/navigation', {
+      method: 'PUT',
+      headers: { 'Content-Type': 'application/json', Accept: 'application/json' },
+      body: JSON.stringify(next),
+    })
+    const payload = await response.json().catch(() => ({})) as NavigationConfig & { error?: string }
+    if (!response.ok) throw new Error(payload.error || `保存配置失败（${response.status}）`)
+    navigation.value = payload
+    loaded = true
+    return payload
+  }
+
+  function resetLocalNavigation() {
+    return structuredClone(defaultNavigationData) as NavigationConfig
+  }
+
+  return {
+    navigation: readonly(navigation),
+    loading: readonly(loading),
+    loadError: readonly(loadError),
+    loadNavigation,
+    saveNavigation,
+    resetLocalNavigation,
+  }
+}