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fix: handle null API response data to prevent infinite loading

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When API returns {"data": null} for empty lists, accessing .plans on
null throws an exception. fetchPlans never reaches setLoading(false),
causing the dashboard to spin forever. Added optional chaining,
fallback defaults, and try-catch-finally to ensure loading stops.

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Chever John 2026-06-30 02:00:04 +08:00
parent 6b866738be
commit 69543a8aef
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GPG Key ID: 2894D52ED1211DF0
2 changed files with 18 additions and 13 deletions
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10
src/hooks/useDashboardData.ts
View File

@ -47,11 +47,11 @@ export function useDashboardData<T = ProductionPlan | WashingPlan>({
purchaserApi.dashboardStats(), purchaserApi.dashboardStats(),
purchaserApi.listPlans(), purchaserApi.listPlans(),
]); ]);
const plans = plansRes.data.plans as unknown as T[]; const plans = (plansRes.data?.plans || []) as unknown as T[];
const stats: DashboardStats = { const stats: DashboardStats = {
all: statsData.total_plans, all: statsData.total_plans ?? 0,
producing: statsData.producing_plans, producing: statsData.producing_plans ?? 0,
completed: statsData.completed_plans, completed: statsData.completed_plans ?? 0,
}; };
return { plans, stats, rejectedPlanIds: new Set<string>() }; return { plans, stats, rejectedPlanIds: new Set<string>() };
}, []); }, []);
@ -61,7 +61,7 @@ export function useDashboardData<T = ProductionPlan | WashingPlan>({
textileApi.dashboardStats(), textileApi.dashboardStats(),
textileApi.listPlans(), textileApi.listPlans(),
]); ]);
const plans = plansRes.data as unknown as T[]; const plans = (plansRes.data || []) as unknown as T[];
const stats: DashboardStats = { const stats: DashboardStats = {
all: statsData.total_plans, all: statsData.total_plans,
producing: statsData.producing_plans, producing: statsData.producing_plans,

21
src/pages/purchaser/Dashboard.tsx
View File

@ -87,15 +87,20 @@ export function PurchaserDashboard() {
}, [auth.company, dataLoaded, plans.length]); }, [auth.company, dataLoaded, plans.length]);
const fetchPlans = async () => { const fetchPlans = async () => {
const res = await purchaserApi.listPlans(); try {
const allPlans = res.data.plans; const res = await purchaserApi.listPlans();
const allPlans = res.data?.plans || [];
const filteredPlans = allPlans.filter(p => const filteredPlans = allPlans.filter(p =>
!p.process_steps?.some(s => s.status === STEP_STATUS.REJECTED) !p.process_steps?.some(s => s.status === STEP_STATUS.REJECTED)
); );
setPlans(filteredPlans); setPlans(filteredPlans);
setLoading(false); } catch (err) {
setDataLoaded(true); console.error('Failed to fetch plans:', err);
} finally {
setLoading(false);
setDataLoaded(true);
}
}; };
// 监听页面可见性变化，返回页面时刷新数据 // 监听页面可见性变化，返回页面时刷新数据