# Function: onActiveBuffInfoChange

▸ onActiveBuffInfoChange(handler: ActiveBuffInfoChangeEventHandler): void

注册增益项目状态信息改变事件处理函数

example

import { buffSystem } from '@timi/mogs-sdk';

buffSystem.onActiveBuffInfoChange((event) => {
  switch (event.type) {
    case buffSystem.ActiveBuffInfoChangeEventType.Add:
      console.log(
        '新 Buff 生效：',
        event.previousValue === null,
        event.currentValue,
      );
      break;
    case buffSystem.ActiveBuffInfoChangeEventType.Remove:
      console.log(
        '现有 Buff 失效：',
        event.previousValue,
        event.currentValue === null,
      );
    break;
    case buffSystem.ActiveBuffInfoChangeEventType.Update:
      console.log(
        '现有 Buff 信息更新：',
        event.previousValue,
        event.currentValue,
      );
      break;
  }
});

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# 参数:

属性	类型
`handler`	ActiveBuffInfoChangeEventHandler

# 返回值:

void

← offActiveBuffInfoChange addBuff →