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role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>Editor组件</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/props.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>props</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/slots.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>slots</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/events.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>events</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>editorService</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/editorServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>方法</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/editorServiceEvents.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>事件</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>propsService</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/propsServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>方法</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/propsServiceEvents.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>事件</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1 has-active" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>historyService</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/historyServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>方法</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/historyServiceEvents.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>事件</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-1 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/eventsServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>eventsService</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>uiService</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/uiServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>方法</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/uiServiceEvents.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>事件</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-1 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/codeBlockServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>codeBlockService</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/componentListServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>componentListService</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/editor/storageServiceMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>storageService</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-ca1a6d76><section class="VPSidebarItem level-0" data-v-ca1a6d76 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h2 class="text" data-v-0848dd37>表单</h2><!----></div><div class="items" data-v-0848dd37><!--[--><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>Form组件</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/form-props.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>props</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/form-methods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>methods</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/form-events.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>events</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>FormDialog组件</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/form-dialog-props.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>props</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/form-dialog-methods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>methods</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/form-dialog-events.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>events</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>工具函数</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/form/submit-form.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>submitForm</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><div class="no-transition group" data-v-ca1a6d76><section class="VPSidebarItem level-0" data-v-ca1a6d76 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h2 class="text" data-v-0848dd37>表格</h2><!----></div><div class="items" data-v-0848dd37><!--[--><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>Table组件</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/table/props.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>props</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/table/methods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>methods</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/table/events.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>events</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><div class="no-transition group" data-v-ca1a6d76><section class="VPSidebarItem level-0" data-v-ca1a6d76 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h2 class="text" data-v-0848dd37>stage</h2><!----></div><div class="items" data-v-0848dd37><!--[--><section class="VPSidebarItem level-1" data-v-0848dd37 data-v-0848dd37><div class="item" role="button" tabindex="0" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><h3 class="text" data-v-0848dd37>StageCore</h3><!----></div><div class="items" data-v-0848dd37><!--[--><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/stage/coreMethods.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>方法</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-0848dd37 data-v-0848dd37><div class="item" data-v-0848dd37><div class="indicator" data-v-0848dd37></div><a class="VPLink link link" href="/tmagic-editor/docs/api/stage/coreEvents.html" data-v-0848dd37><!--[--><p class="text" data-v-0848dd37>事件</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-d84d18b9 data-v-a267f7c7><div class="VPDoc has-sidebar has-aside" data-v-a267f7c7 data-v-154870fd><!--[--><!--]--><div class="container" data-v-154870fd><div class="aside" data-v-154870fd><div class="aside-curtain" data-v-154870fd></div><div class="aside-container" data-v-154870fd><div class="aside-content" data-v-154870fd><div class="VPDocAside" data-v-154870fd data-v-23ce0ef1><!--[--><!--]--><!--[--><!--]--><nav aria-labelledby="doc-outline-aria-label" class="VPDocAsideOutline" data-v-23ce0ef1 data-v-26c56095><div class="content" data-v-26c56095><div class="outline-marker" data-v-26c56095></div><div aria-level="2" class="outline-title" id="doc-outline-aria-label" role="heading" data-v-26c56095>On this page</div><ul class="VPDocOutlineItem root" data-v-26c56095 data-v-96d7f3c2><!--[--><!--]--></ul></div></nav><!--[--><!--]--><div class="spacer" data-v-23ce0ef1></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-154870fd><div class="content-container" data-v-154870fd><!--[--><!--]--><main class="main" data-v-154870fd><div style="position:relative;" class="vp-doc _tmagic-editor_docs_api_editor_historyServiceEvents" data-v-154870fd><div><h1 id="historyservice事件" tabindex="-1">historyService事件 <a class="header-anchor" href="#historyservice事件" aria-label="Permalink to “historyService事件”">​</a></h1><h2 id="change" tabindex="-1">change <a class="header-anchor" href="#change" aria-label="Permalink to “change”">​</a></h2><ul><li><p><strong>详情：</strong> 页面历史记录发生变化（<code>page</code> 类型 <code>push</code> / <code>undo</code> / <code>redo</code> 成功时触发；与 <code>code-block-history-change</code> / <code>data-source-history-change</code> 同构）</p></li><li><p><strong>事件回调函数：</strong> <code>(pageId: Id, step: StepValue) =&gt; void</code></p><details class="details custom-block"><summary>查看 StepValue 及关联类型定义</summary><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 页面节点历史记录条目（`diff` 内容为 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> MNode</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">）。结构已与代码块 / 数据源统一收敛到</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> BaseStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">：关联 id 见 `data.id`，选区等上下文见 `extra`。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StepValue</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> BaseStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">MNode</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">StepExtra</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;;</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录条目公共字段，被 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CodeBlockStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> DataSourceStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 复用。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 泛型 `T` 为 `diff` 中变化内容的快照类型（页面节点 `MNode` / 代码块 `CodeBlockContent` / 数据源 `DataSourceSchema`）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> BaseStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> unknown</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">U</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt; </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {}&gt; {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录唯一标识（uuid）。入栈时自动写入（若调用方未指定），</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 用于精确定位 / 引用某一条历史记录（如 revert、埋点、跨端同步等）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 注意与 `data.id`（关联的页面 / 代码块 / 数据源 id）区分。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> uuid</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 关联目标信息：`id` 为关联的页面 / 代码块 / 数据源等资源 id（也是历史栈的分组 key），</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * `name` 为展示名。所有历史类型统一携带。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">id</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作类型：新增 / 删除 / 更新（三类历史记录统一携带）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> opType</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpType</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 本次变更的内容（统一 diff 表达），每项见 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepDiffItem</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 页面节点（add/remove 多节点、update 多节点）会有多项，代码块 / 数据源通常只有一项。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> diff</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StepDiffItem</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;[];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 调用方可选传入的人类可读描述（如「调整按钮颜色」），用于历史面板展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 不影响 undo/redo 行为；缺省时面板会根据节点 / propPath 自动生成描述。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> historyDescription</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 操作途径：标记本次变更由哪条交互入口触发，取值见 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HistoryOpSource</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * （画布 / 树面板 / 组件面板 / 配置面板 / 源码编辑器 / 右键菜单 / 工具栏 / 快捷键 / 回滚 / 接口 等）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 仅用于历史面板展示与业务埋点，不影响 undo/redo 行为；缺省时面板视为「未知」。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> source</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpSource</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 入栈时间戳（毫秒）。入栈时自动写入（若调用方未指定），仅用于历史面板展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> timestamp</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 是否为「已保存」记录：DSL 落库（如保存到后端 / 本地）时由 historyService.markSaved 标记。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 同一栈内任意时刻最多只有一条记录为 true；从 IndexedDB 恢复时游标会被定位到最近一条已保存记录之后。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> saved</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 是否为「整体设置 root」（set root）产生的记录（由 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Editor.pushRootDiffHistory</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 写入）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 用于「连续 set root 合并」：当某页栈最新一条已是 root 记录时，下一条 set root 会替换它而非新增，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 避免源码反复保存 / 外部重设 DSL 时堆积多条 root 记录。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rootStep</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作人 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> operator</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 扩展信息 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> extra</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> U</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录的扩展上下文（</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> BaseStepValue.extra</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 内置字段供 `page` 类型在撤销 / 重做时恢复选区与受影响节点；扩展类型可自由附加其它键。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StepExtra</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作前选中的节点 ID，用于撤销后恢复选择状态（page 类型） */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> selectedBefore</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作后选中的节点 ID，用于重做后恢复选择状态（page 类型） */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> selectedAfter</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 本次操作涉及的节点 id 集合（page 类型） */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> modifiedNodeIds</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Map</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">key</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录操作类型：</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `add` / `remove` / `update`：普通可撤销/重做的节点变更；</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `initial`：页面「未修改的初始状态」基线（设置 root 时生成），作为页面栈 index 0 的固定底线 step。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 该 step 不可被撤销/回滚（cursor 不会低于它），仅用于历史面板底部的初始行展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpType</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;add&#39;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;remove&#39;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;update&#39;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;initial&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录的「操作途径」——标记本次变更由哪条交互入口触发，仅用于历史面板展示 / 业务埋点，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 不影响 undo/redo 行为。缺省（未传）时 UI 视为「未知」。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `stage`：画布（拖拽 / 缩放 / 排序等舞台直接操作）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `tree`：树形面板（图层 / 数据源 / 代码块等树形结构里的拖拽 / 菜单操作）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `component-panel`：组件面板（左侧组件列表点击 / 拖拽新增组件）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `props`：配置面板表单（属性表单字段编辑）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `code`：源码编辑器（配置面板「源码」面板里直接编辑 JSON/代码后保存）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `stage-contextmenu`：画布右键菜单（舞台上节点的右键上下文菜单）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `tree-contextmenu`：树面板右键菜单（图层 / 数据源 / 代码块等树形列表上的右键上下文菜单）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `toolbar`：工具栏菜单（顶部导航工具栏按钮）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `shortcut`：键盘快捷键</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `rollback`：历史回滚（历史面板里对某条历史「回滚」，反向应用为一条新记录，类 git revert）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `api`：代码 / 接口调用（程序化触发）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `ai`：AI 生成 / 智能助手触发的变更</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `unknown`：未知来源</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 通过 `(string &amp; {})` 允许业务侧扩展自定义途径字符串，同时保留内置值的自动补全。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpSource</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;initial&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;stage&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;tree&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;component-panel&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;props&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;code&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;root-code&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;stage-contextmenu&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;tree-contextmenu&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;toolbar&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;shortcut&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;rollback&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;api&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;ai&#39;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // 同步</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;sync&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;unknown&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {});</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MNode</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MComponent</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MContainer</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MIteratorContainer</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MPage</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MApp</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MPageFragment</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span></code></pre></div></details><div class="tip custom-block"><p class="custom-block-title custom-block-title-default">TIP</p><p>回调签名已与其它历史类型统一为 <code>(id, step)</code>。当游标处于历史栈边界（已无法继续撤销 / 重做）时 <code>undo</code> / <code>redo</code> 返回 <code>null</code>，此时不会触发该事件。</p></div></li></ul><h2 id="marker-change" tabindex="-1">marker-change <a class="header-anchor" href="#marker-change" aria-label="Permalink to “marker-change”">​</a></h2><ul><li><p><strong>详情：</strong> 通过 <a href="./historyServiceMethods.html#setmarker"><code>setMarker</code></a> 为某个历史栈种入 <code>initial</code> 基线时触发（适用于所有类型）</p></li><li><p><strong>事件回调函数：</strong> <code>(id: Id, marker: StepValue, stepType: HistoryStepType) =&gt; void</code></p></li></ul><h2 id="clear" tabindex="-1">clear <a class="header-anchor" href="#clear" aria-label="Permalink to “clear”">​</a></h2><ul><li><p><strong>详情：</strong> 调用 <a href="./historyServiceMethods.html#clear"><code>clear</code></a> 清空历史栈时触发（适用于所有类型）</p></li><li><p><strong>事件回调函数：</strong> <code>(id: Id | undefined, stepType: HistoryStepType) =&gt; void</code></p><div class="tip custom-block"><p class="custom-block-title custom-block-title-default">TIP</p><p><code>id</code> 缺省（清空 <code>stepType</code> 下全部栈）时回调的 <code>id</code> 为 <code>undefined</code>。</p></div></li></ul><h2 id="code-block-history-change" tabindex="-1">code-block-history-change <a class="header-anchor" href="#code-block-history-change" aria-label="Permalink to “code-block-history-change”">​</a></h2><ul><li><p><strong>详情：</strong> 代码块历史记录发生变化（<code>push(&#39;codeBlock&#39;, step, codeBlockId)</code> / <code>undo(&#39;codeBlock&#39;, id)</code> / <code>redo(&#39;codeBlock&#39;, id)</code> 成功时触发）</p></li><li><p><strong>事件回调函数：</strong> <code>(codeBlockId: Id, step: CodeBlockStepValue) =&gt; void</code></p><details class="details custom-block"><summary>查看 CodeBlockStepValue 及关联类型定义</summary><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 代码块历史记录条目（`diff` 内容为 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CodeBlockContent</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">），按 `data.id`（codeBlock.id）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 分组保存到 historyState.steps.codeBlock。结构与 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> DataSourceStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 一致，仅 `diff` 快照类型不同。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> CodeBlockStepValue</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> BaseStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">CodeBlockContent</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;;</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录条目公共字段，被 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CodeBlockStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> DataSourceStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 复用。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 泛型 `T` 为 `diff` 中变化内容的快照类型（页面节点 `MNode` / 代码块 `CodeBlockContent` / 数据源 `DataSourceSchema`）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> BaseStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> unknown</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">U</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt; </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {}&gt; {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录唯一标识（uuid）。入栈时自动写入（若调用方未指定），</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 用于精确定位 / 引用某一条历史记录（如 revert、埋点、跨端同步等）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 注意与 `data.id`（关联的页面 / 代码块 / 数据源 id）区分。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> uuid</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 关联目标信息：`id` 为关联的页面 / 代码块 / 数据源等资源 id（也是历史栈的分组 key），</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * `name` 为展示名。所有历史类型统一携带。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">id</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作类型：新增 / 删除 / 更新（三类历史记录统一携带）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> opType</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpType</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 本次变更的内容（统一 diff 表达），每项见 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepDiffItem</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 页面节点（add/remove 多节点、update 多节点）会有多项，代码块 / 数据源通常只有一项。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> diff</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StepDiffItem</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;[];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 调用方可选传入的人类可读描述（如「调整按钮颜色」），用于历史面板展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 不影响 undo/redo 行为；缺省时面板会根据节点 / propPath 自动生成描述。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> historyDescription</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 操作途径：标记本次变更由哪条交互入口触发，取值见 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HistoryOpSource</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * （画布 / 树面板 / 组件面板 / 配置面板 / 源码编辑器 / 右键菜单 / 工具栏 / 快捷键 / 回滚 / 接口 等）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 仅用于历史面板展示与业务埋点，不影响 undo/redo 行为；缺省时面板视为「未知」。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> source</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpSource</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 入栈时间戳（毫秒）。入栈时自动写入（若调用方未指定），仅用于历史面板展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> timestamp</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 是否为「已保存」记录：DSL 落库（如保存到后端 / 本地）时由 historyService.markSaved 标记。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 同一栈内任意时刻最多只有一条记录为 true；从 IndexedDB 恢复时游标会被定位到最近一条已保存记录之后。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> saved</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 是否为「整体设置 root」（set root）产生的记录（由 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Editor.pushRootDiffHistory</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 写入）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 用于「连续 set root 合并」：当某页栈最新一条已是 root 记录时，下一条 set root 会替换它而非新增，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 避免源码反复保存 / 外部重设 DSL 时堆积多条 root 记录。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rootStep</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作人 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> operator</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 扩展信息 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> extra</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> U</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录的「操作途径」——标记本次变更由哪条交互入口触发，仅用于历史面板展示 / 业务埋点，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 不影响 undo/redo 行为。缺省（未传）时 UI 视为「未知」。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `stage`：画布（拖拽 / 缩放 / 排序等舞台直接操作）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `tree`：树形面板（图层 / 数据源 / 代码块等树形结构里的拖拽 / 菜单操作）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `component-panel`：组件面板（左侧组件列表点击 / 拖拽新增组件）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `props`：配置面板表单（属性表单字段编辑）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `code`：源码编辑器（配置面板「源码」面板里直接编辑 JSON/代码后保存）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `stage-contextmenu`：画布右键菜单（舞台上节点的右键上下文菜单）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `tree-contextmenu`：树面板右键菜单（图层 / 数据源 / 代码块等树形列表上的右键上下文菜单）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `toolbar`：工具栏菜单（顶部导航工具栏按钮）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `shortcut`：键盘快捷键</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `rollback`：历史回滚（历史面板里对某条历史「回滚」，反向应用为一条新记录，类 git revert）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `api`：代码 / 接口调用（程序化触发）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `ai`：AI 生成 / 智能助手触发的变更</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `unknown`：未知来源</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 通过 `(string &amp; {})` 允许业务侧扩展自定义途径字符串，同时保留内置值的自动补全。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpSource</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;initial&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;stage&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;tree&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;component-panel&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;props&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;code&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;root-code&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;stage-contextmenu&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;tree-contextmenu&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;toolbar&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;shortcut&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;rollback&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;api&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;ai&#39;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // 同步</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;sync&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;unknown&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {});</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> CodeBlockContent</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 代码块名称 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 代码块内容 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> content</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ((</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">...</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[]) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">|</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Function</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 参数定义 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> params</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> CodeParam</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">|</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 注释 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> desc</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 扩展字段 */</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">propName</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span></code></pre></div></details><div class="tip custom-block"><p class="custom-block-title custom-block-title-default">TIP</p><ul><li>新增触发的 step 其 diff 项 <code>oldSchema</code> 为 <code>null</code></li><li>删除触发的 step 其 diff 项 <code>newSchema</code> 为 <code>null</code></li><li><code>undo</code> / <code>redo</code> 返回 <code>null</code>（边界状态）时不会触发该事件</li></ul></div></li></ul><h2 id="data-source-history-change" tabindex="-1">data-source-history-change <a class="header-anchor" href="#data-source-history-change" aria-label="Permalink to “data-source-history-change”">​</a></h2><ul><li><p><strong>详情：</strong> 数据源历史记录发生变化（<code>push(&#39;dataSource&#39;, step, dataSourceId)</code> / <code>undo(&#39;dataSource&#39;, id)</code> / <code>redo(&#39;dataSource&#39;, id)</code> 成功时触发）</p></li><li><p><strong>事件回调函数：</strong> <code>(dataSourceId: Id, step: DataSourceStepValue) =&gt; void</code></p><details class="details custom-block"><summary>查看 DataSourceStepValue 及关联类型定义</summary><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 数据源历史记录条目（`diff` 内容为 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> DataSourceSchema</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">），按 `data.id`（dataSource.id）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 分组保存到 historyState.steps.dataSource。结构与 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CodeBlockStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 一致，仅 `diff` 快照类型不同。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> DataSourceStepValue</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> BaseStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">DataSourceSchema</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;;</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录条目公共字段，被 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> CodeBlockStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> / </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> DataSourceStepValue</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 复用。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 泛型 `T` 为 `diff` 中变化内容的快照类型（页面节点 `MNode` / 代码块 `CodeBlockContent` / 数据源 `DataSourceSchema`）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> BaseStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> unknown</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">U</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt; </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {}&gt; {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录唯一标识（uuid）。入栈时自动写入（若调用方未指定），</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 用于精确定位 / 引用某一条历史记录（如 revert、埋点、跨端同步等）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 注意与 `data.id`（关联的页面 / 代码块 / 数据源 id）区分。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> uuid</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 关联目标信息：`id` 为关联的页面 / 代码块 / 数据源等资源 id（也是历史栈的分组 key），</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * `name` 为展示名。所有历史类型统一携带。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">id</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作类型：新增 / 删除 / 更新（三类历史记录统一携带）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> opType</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpType</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 本次变更的内容（统一 diff 表达），每项见 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> StepDiffItem</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 页面节点（add/remove 多节点、update 多节点）会有多项，代码块 / 数据源通常只有一项。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> diff</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StepDiffItem</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;[];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 调用方可选传入的人类可读描述（如「调整按钮颜色」），用于历史面板展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 不影响 undo/redo 行为；缺省时面板会根据节点 / propPath 自动生成描述。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> historyDescription</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 操作途径：标记本次变更由哪条交互入口触发，取值见 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HistoryOpSource</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * （画布 / 树面板 / 组件面板 / 配置面板 / 源码编辑器 / 右键菜单 / 工具栏 / 快捷键 / 回滚 / 接口 等）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 仅用于历史面板展示与业务埋点，不影响 undo/redo 行为；缺省时面板视为「未知」。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> source</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpSource</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 入栈时间戳（毫秒）。入栈时自动写入（若调用方未指定），仅用于历史面板展示。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> timestamp</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 是否为「已保存」记录：DSL 落库（如保存到后端 / 本地）时由 historyService.markSaved 标记。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 同一栈内任意时刻最多只有一条记录为 true；从 IndexedDB 恢复时游标会被定位到最近一条已保存记录之后。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> saved</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 是否为「整体设置 root」（set root）产生的记录（由 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Editor.pushRootDiffHistory</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 写入）。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 用于「连续 set root 合并」：当某页栈最新一条已是 root 记录时，下一条 set root 会替换它而非新增，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 避免源码反复保存 / 外部重设 DSL 时堆积多条 root 记录。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rootStep</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 操作人 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> operator</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 扩展信息 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> extra</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> U</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录的「操作途径」——标记本次变更由哪条交互入口触发，仅用于历史面板展示 / 业务埋点，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 不影响 undo/redo 行为。缺省（未传）时 UI 视为「未知」。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `stage`：画布（拖拽 / 缩放 / 排序等舞台直接操作）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `tree`：树形面板（图层 / 数据源 / 代码块等树形结构里的拖拽 / 菜单操作）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `component-panel`：组件面板（左侧组件列表点击 / 拖拽新增组件）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `props`：配置面板表单（属性表单字段编辑）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `code`：源码编辑器（配置面板「源码」面板里直接编辑 JSON/代码后保存）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `stage-contextmenu`：画布右键菜单（舞台上节点的右键上下文菜单）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `tree-contextmenu`：树面板右键菜单（图层 / 数据源 / 代码块等树形列表上的右键上下文菜单）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `toolbar`：工具栏菜单（顶部导航工具栏按钮）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `shortcut`：键盘快捷键</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `rollback`：历史回滚（历史面板里对某条历史「回滚」，反向应用为一条新记录，类 git revert）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `api`：代码 / 接口调用（程序化触发）</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `ai`：AI 生成 / 智能助手触发的变更</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * - `unknown`：未知来源</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> *</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 通过 `(string &amp; {})` 允许业务侧扩展自定义途径字符串，同时保留内置值的自动补全。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HistoryOpSource</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;initial&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;stage&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;tree&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;component-panel&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;props&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;code&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;root-code&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;stage-contextmenu&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;tree-contextmenu&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;toolbar&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;shortcut&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;rollback&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;api&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;ai&#39;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // 同步</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;sync&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;unknown&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {});</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Id</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span></code></pre></div></details><div class="tip custom-block"><p class="custom-block-title custom-block-title-default">TIP</p><ul><li>新增触发的 step 其 diff 项 <code>oldSchema</code> 为 <code>null</code></li><li>删除触发的 step 其 diff 项 <code>newSchema</code> 为 <code>null</code></li><li><code>undo</code> / <code>redo</code> 返回 <code>null</code>（边界状态）时不会触发该事件</li></ul></div></li></ul><h2 id="mark-saved" tabindex="-1">mark-saved <a class="header-anchor" href="#mark-saved" aria-label="Permalink to “mark-saved”">​</a></h2><ul><li><p><strong>详情：</strong> 调用 <a href="./historyServiceMethods.html#marksaved"><code>markSaved</code></a> 标记「已保存」记录时触发</p></li><li><p><strong>事件回调函数：</strong> <code>(payload: { kind: &#39;all&#39; | HistoryStepType; id?: Id }) =&gt; void</code></p><div class="tip custom-block"><p class="custom-block-title custom-block-title-default">TIP</p><ul><li><code>markSaved(stepType)</code>（缺省 id）触发时 <code>kind</code> 为 <code>all</code>，无 <code>id</code>（此时 <code>stepType</code> 不生效）</li><li><code>markSaved(stepType, id)</code> 触发时 <code>kind</code> 为对应的 <code>stepType</code>（<code>page</code> / <code>codeBlock</code> / <code>dataSource</code> / 扩展），<code>id</code> 为目标栈 id</li></ul></div></li></ul><h2 id="save-to-indexed-db" tabindex="-1">save-to-indexed-db <a class="header-anchor" href="#save-to-indexed-db" aria-label="Permalink to “save-to-indexed-db”">​</a></h2><ul><li><p><strong>详情：</strong> <code>saveToIndexedDB</code> 把历史记录写入本地 IndexedDB 成功时触发</p></li><li><p><strong>事件回调函数：</strong> <code>(snapshot: PersistedHistoryState) =&gt; void</code></p><details class="details custom-block"><summary>查看 PersistedHistoryState 类型定义</summary><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录的可持久化快照。由 historyService.saveToIndexedDB 写入 IndexedDB，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 再由 historyService.restoreFromIndexedDB 读出并重建各 UndoRedo 栈。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PersistedHistoryState</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 快照结构版本号，便于后续兼容升级。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> version</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 全部历史栈的序列化快照，按「类型 -&gt; id」两级分组，与 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HistorySteps</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 对应。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 内置 `page` / `codeBlock` / `dataSource`，并包含业务注册的扩展类型。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> steps</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> page</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">StepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> codeBlock</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">CodeBlockStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> dataSource</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">DataSourceStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">stepType</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 保存时间戳（毫秒）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> savedAt</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * UndoRedo 栈的可序列化快照，用于持久化（如写入 IndexedDB）后再还原。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt; {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 栈内全部元素（按时间正序，索引 0 为最早一步）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> elementList</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> T</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[];</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 游标位置（已应用步骤数量）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> listCursor</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 栈容量上限。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> listMaxSize</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></details></li></ul><h2 id="restore-from-indexed-db" tabindex="-1">restore-from-indexed-db <a class="header-anchor" href="#restore-from-indexed-db" aria-label="Permalink to “restore-from-indexed-db”">​</a></h2><ul><li><p><strong>详情：</strong> <code>restoreFromIndexedDB</code> 从本地 IndexedDB 读取并重建历史记录成功时触发（找不到记录时不触发）</p></li><li><p><strong>事件回调函数：</strong> <code>(snapshot: PersistedHistoryState) =&gt; void</code></p><details class="details custom-block"><summary>查看 PersistedHistoryState 类型定义</summary><div class="language-ts"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 历史记录的可持久化快照。由 historyService.saveToIndexedDB 写入 IndexedDB，</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 再由 historyService.restoreFromIndexedDB 读出并重建各 UndoRedo 栈。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">export</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PersistedHistoryState</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 快照结构版本号，便于后续兼容升级。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> version</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 全部历史栈的序列化快照，按「类型 -&gt; id」两级分组，与 </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">@link</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HistorySteps</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">}</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> 对应。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * 内置 `page` / `codeBlock` / `dataSource`，并包含业务注册的扩展类型。</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> steps</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> page</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">StepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> codeBlock</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">CodeBlockStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> dataSource</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">DataSourceStepValue</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">stepType</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">Id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SerializedUndoRedo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /** 保存时间戳（毫秒）。 */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> savedAt</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></details></li></ul></div></div></main><footer class="VPDocFooter" data-v-154870fd data-v-9aa88903><!--[--><!--]--><!----><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-9aa88903><span class="visually-hidden" id="doc-footer-aria-label" data-v-9aa88903>Pager</span><div class="pager" data-v-9aa88903><a class="VPLink link pager-link prev" href="/tmagic-editor/docs/api/editor/historyServiceMethods.html" data-v-9aa88903><!--[--><span class="desc" data-v-9aa88903>Previous page</span><span class="title" data-v-9aa88903>方法</span><!--]--></a></div><div class="pager" data-v-9aa88903><a class="VPLink link pager-link next" href="/tmagic-editor/docs/api/editor/eventsServiceMethods.html" data-v-9aa88903><!--[--><span class="desc" data-v-9aa88903>Next page</span><span class="title" data-v-9aa88903>eventsService</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-d84d18b9 data-v-216d1bad><div class="container" data-v-216d1bad><p class="message" data-v-216d1bad>Powered by 腾讯视频会员平台技术中心</p><p class="copyright" data-v-216d1bad>Copyright (C) 2025 Tencent.</p></div></footer><!--[--><!--]--></div></div>
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