onwarn

• 类型：(warning: RollupLog, defaultHandler: (warning: RollupLogWithString | (() => RollupLogWithString)) => void) => void

  ¥Type: (warning: RollupLog, defaultHandler: (warning: RollupLogWithString | (() => RollupLogWithString)) => void) => void

• 可选：是 ✅

  ¥Optional: Yes ✅

已弃用

这是一个遗留 API。为了更好地控制所有日志类型，请考虑使用 onLog。

¥This is a legacy API. Consider using onLog instead for better control over all log types.

自定义处理构建过程中的警告。

¥Custom handler for warnings during the build process.