67f5dfbe50
主要功能: - 修改RequirementModal支持12个订单班选择 - 添加OrderClassIconMap图标映射组件 - Store中添加selectedOrderClass状态管理 - WorkflowPage支持传递orderClass参数 - web_result添加URL参数切换功能 - 创建order-class-handler.js动态处理页面主题 技术改进: - 创建软链接关联订单班数据目录 - 生成wenlu.json和food.json数据结构 - 删除重复的web_result目录 - 添加测试页面test-order-class.html 影响范围: - 展会策划系统现支持12个订单班 - 结果展示页面自动适配不同订单班主题 - 用户可选择不同行业生成对应方案 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
19 lines
531 B
JavaScript
19 lines
531 B
JavaScript
import { useRef } from 'react';
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/**
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* Creates a constant value over the lifecycle of a component.
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*
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* Even if `useMemo` is provided an empty array as its final argument, it doesn't offer
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* a guarantee that it won't re-run for performance reasons later on. By using `useConstant`
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* you can ensure that initialisers don't execute twice or more.
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*/
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function useConstant(init) {
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const ref = useRef(null);
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if (ref.current === null) {
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ref.current = init();
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}
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return ref.current;
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}
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export { useConstant };
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