15 lines
1.4 KiB
TypeScript
15 lines
1.4 KiB
TypeScript
/**
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* 连线编辑的React动作上下文。让连线组件调用begin/patch/finish/cancel，并读取当前活动集合。
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* 真正的命令、事务和history由Provider注入，默认空实现仅支持未接入编辑器的渲染环境。
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*/
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"use client";
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import { createContext } from "react";
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import type { EditingLease } from "./editing-lease";
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import type { EdgeData } from "@/lib/canvas-v2";
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/** begin可拒绝、使用旧版无返回值模式，或返回绑定手势的EditingLease；patch的transient区分临时预览。
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* finish/cancel可选，active为当前活动连线ID集合；默认Set不代表全项目状态仓库。 */
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const defaultEditing = { finish: undefined as undefined | (() => void), cancel: undefined as undefined | (() => void), begin: (_id?: string): boolean | void | EditingLease<NonNullable<EdgeData['path']>> => {}, patch: (_id: string, _data: EdgeData, _transient = false) => {}, active: new Set<string>() };
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// 默认 active Set 与动作对象是共享引用，未冻结；消费方只能读取，不应通过修改默认对象来发布状态。
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/** Context的类型保留可选结束钩子，兼容旧画布与新版租约式交互，不在此创建编辑任务队列。 */
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export const EdgeEditing = createContext<Omit<typeof defaultEditing, 'finish' | 'cancel'> & Partial<Pick<typeof defaultEditing, 'finish' | 'cancel'>>>(defaultEditing);
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