18 lines
571 B
JavaScript
18 lines
571 B
JavaScript
async function withRetry(fn, { maxRetries = 3, baseDelay = 1000, label = "operation" } = {}) {
|
|
let lastError;
|
|
for (let attempt = 1; attempt <= maxRetries; attempt++) {
|
|
try {
|
|
return await fn();
|
|
} catch (error) {
|
|
lastError = error;
|
|
if (attempt < maxRetries) {
|
|
const delay = baseDelay * Math.pow(2, attempt - 1);
|
|
console.warn(` ⚠ ${label} 第${attempt}次失败，${delay / 1000}s后重试...`);
|
|
await new Promise((resolve) => setTimeout(resolve, delay));
|
|
}
|
|
}
|
|
}
|
|
throw lastError;
|
|
}
|
|
|
|
export { withRetry }; |