Reuse existing scene projections when inserting ordinary canvas nodes

tests/headless/renderer.integration.mjs

@@ -415,6 +415,8 @@ try {
   console.log('PASS old rendered edit callbacks cannot modify a restored incarnation');
   await until(`window.__fixtureLegacy['meter-one']!==window.__fixtureStaleLegacy&&window.__fixtureEngine.getSnapshot().document.elements.get('meter-one').incarnation===2`,'restored renderer did not bind a fresh edit target');await evaluate(`window.__fixtureLegacy['meter-one'].rename('meter-one','fresh callback')`);for(let i=0;i<200&&documents.get(extensionRoot).elements.get('meter-one')?.data.title!=='fresh callback';i++)await pause(20);assert.equal(documents.get(extensionRoot).elements.get('meter-one').data.title,'fresh callback');
   assert.equal(await evaluate(`(()=>{const engine=window.__fixtureEngine,old=window.__fixtureLegacy['meter-one'],other=window.__fixtureLegacy['meter-two'];old.resize('meter-one');other.resize('meter-two');old.resize(null);const view=[...engine.sessions.getSnapshot().views.values()][0],retained=view.modes.get('meter-two')==='resize';other.resize(null);return retained;})()`),true,'old target mode cleanup canceled another target');
+  await until(`[...document.querySelectorAll('[role="status"]')].some(item=>item.textContent.trim()==='已同步')`,'extension state did not settle before insertion');await evaluate('new Promise(resolve=>requestAnimationFrame(()=>requestAnimationFrame(resolve)))');const insertionBefore=await evaluate('({projects:{...window.__fixtureProjectedNodes},scenes:window.__fixtureSceneBuilds})'),extensionSize=documents.get(extensionRoot).elements.size;await click('添加文本卡片');
+  for(let i=0;i<200&&documents.get(extensionRoot).elements.size!==extensionSize+1;i++)await pause(20);assert.equal(documents.get(extensionRoot).elements.size,extensionSize+1);await until(`[...document.querySelectorAll('[role="status"]')].some(item=>item.textContent.trim()==='已同步')`,'inserted card did not synchronize');await evaluate('new Promise(resolve=>requestAnimationFrame(()=>requestAnimationFrame(resolve)))');const insertionAfter=await evaluate('({projects:{...window.__fixtureProjectedNodes},scenes:window.__fixtureSceneBuilds})');for(const id of ['meter-one','meter-two','meter-three'])assert.equal(insertionAfter.projects[id],insertionBefore.projects[id],'ordinary card insertion rebuilt '+id);assert.equal(insertionAfter.scenes,insertionBefore.scenes,'ordinary card insertion rebuilt the whole scene');console.log('PASS actual toolbar card insertion and ACK retain every unrelated node projection and avoid full scene traversal');
   await evaluate(`(()=>{window.__detachedEngine=window.__fixtureEngine;window.__detachedEditing=window.__fixtureLegacy['meter-one'];[...document.querySelectorAll('a')].find(link=>link.pathname.endsWith('/${other}')).click();})()`);await until(`location.pathname.endsWith('${other}')&&!!document.querySelector('[data-headless-canvas]')`,'renderer view did not detach on navigation');assert.equal(await evaluate(`(()=>{const before=window.__detachedEngine.getSnapshot();window.__detachedEditing.rename('meter-one','detached callback');return window.__detachedEngine.getSnapshot()===before;})()`),true,'detached renderer wrote into its retained project');
   console.log('PASS restored renderers can edit with fresh bindings and detached views cannot write through old callbacks');
 

tests/headless/scene-projection.test.mjs

@@ -49,3 +49,27 @@ test('replacement without changes compares records and detects reordered members
 test('a failed local renderer never mutates or publishes a partially updated scene',()=>{const f=fixture(),snapshot=f.sessions.getSnapshot(),document=f.editor.getSnapshot().document;let fail=false;const catalog={...f.catalog,resolve(record){if(fail&&record.id==='B')throw Error('renderer failed');return f.catalog.resolve(record);}},first=f.scene.project(f.owner,document,snapshot.views.get('v'),snapshot,f.registry,catalog);f.sessions.select('v',['A','B']);const selected=f.sessions.getSnapshot();fail=true;assert.throws(()=>f.scene.project(f.owner,document,selected.views.get('v'),selected,f.registry,catalog),/renderer failed/);assert.equal(first.nodes.find(node=>node.id==='A').selected,false);assert.equal(first.nodes.find(node=>node.id==='B').selected,false);fail=false;const result=f.scene.project(f.owner,document,selected.views.get('v'),selected,f.registry,catalog);assert.equal(result.nodes.find(node=>node.id==='A').selected,true);assert.equal(result.nodes.find(node=>node.id==='B').selected,true);});
 
 test('unknown placeholders and redirected handles keep the complete projection rules during a neighbour edit',()=>{const f=fixture(),snapshot=f.sessions.getSnapshot(),view=snapshot.views.get('v'),base=f.editor.getSnapshot().document,records=[...base.elements.values()].map(record=>record.id==='F'?{...record,dataVersion:99,data:{unreadable:{preserve:true}}}:record.id==='edge'?{...record,source:{elementId:'A',portId:'unknown-custom'},target:{elementId:'B'}}:record),document=createDocument('p',[...base.canvases.values()],records),first=f.scene.project(f.owner,document,view,snapshot,f.registry,f.catalog),changed=createDocument('p',[...document.canvases.values()],records.map(record=>record.id==='B'?{...record,data:{...record.data,text:'still editable'}}:record));assert.equal(first.nodes.find(node=>node.id==='F').type,'unsupported');assert.equal(first.edges[0].source,'F');f.scene.advance(document,changed,[{kind:'field',target:{id:'B',incarnation:1},field:'data.text',before:'',after:'still editable'}]);const result=f.scene.project(f.owner,changed,view,snapshot,f.registry,f.catalog);assert.deepEqual(result,projectCanvas(changed,'root',f.registry,view.selection,()=>undefined,null,f.catalog));assert.deepEqual(result.document.elements.get('F').data,{unreadable:{preserve:true}});});
+
+test('new ordinary cards reuse existing projections and preserve depth-first nested membership order',()=>{
+ const f=fixture();let before=f.editor.getSnapshot().document;const stop=f.editor.subscribe((commit,next)=>{f.scene.advance(before,next.document,commit.changes);before=next.document;});const first=f.project(),reads=f.reads;
+ assert.equal(f.editor.transaction(tx=>{tx.dispatch({type:'element.create',element:node('new-root')});tx.dispatch({type:'element.create',element:node('new-child','child')});tx.dispatch({type:'element.data',target:{id:'B',incarnation:1},patch:{text:'same batch'}});}).status,'applied');
+ const next=f.project();assert.equal(f.reads-reads,3,'unrelated nodes/edges were reconstructed during insertion');assert.deepEqual(next.nodes.map(n=>n.id),['F','A','new-child','B','new-root']);assert.strictEqual(next.nodes[0],first.nodes[0]);assert.strictEqual(next.nodes[1],first.nodes[1]);assert.strictEqual(next.edges,first.edges);
+ const snapshot=f.sessions.getSnapshot();assert.deepEqual(next,projectCanvas(next.document,'root',f.registry,snapshot.views.get('v').selection,()=>undefined,null,f.catalog,{queries:f.editor.getQueries(next.document)}));
+ const beforeEdit=f.reads;f.editor.dispatch({type:'element.data',target:{id:'new-child',incarnation:1},patch:{text:'later edit'}});const edited=f.project();assert.equal(f.reads-beforeEdit,1);assert.equal(edited.nodes.find(n=>n.id==='new-child').data.text,'later edit');stop();
+});
+
+test('new hidden cards do not reconstruct visible objects and appear correctly after expanding their entry',()=>{
+ const f=fixture();f.editor.dispatch({type:'element.data',target:{id:'F',incarnation:1},patch:{presentation:{collapsed:true}}});let before=f.editor.getSnapshot().document;const stop=f.editor.subscribe((commit,next)=>{f.scene.advance(before,next.document,commit.changes);before=next.document;});const first=f.project(),reads=f.reads;
+ f.editor.dispatch({type:'element.create',element:node('hidden-new','child')});const next=f.project();assert.equal(f.reads,reads);assert.strictEqual(next.nodes,first.nodes);assert.strictEqual(next.edges,first.edges);assert.ok(next.document.elements.has('hidden-new'));
+ f.editor.dispatch({type:'element.data',target:{id:'F',incarnation:1},patch:{presentation:{collapsed:false}}});const expanded=f.project();assert.ok(expanded.nodes.some(n=>n.id==='hidden-new'));const snapshot=f.sessions.getSnapshot();assert.deepEqual(expanded,projectCanvas(expanded.document,'root',f.registry,snapshot.views.get('v').selection,()=>undefined,null,f.catalog));stop();
+});
+
+test('inserting one card into 1000 nodes resolves only that renderer and never enumerates document records with a membership index',()=>{
+ const registry=createRegistry(builtinComponents()),original=createDocument('p',[{id:'root',parent:null}],Array.from({length:1000},(_,i)=>node(String(i)))),scene=createSceneProjection(),owner={},selection=new Set(),view={id:'v',canvasId:'root',selection},snapshot={views:new Map([['v',view]]),gesture:null,connectionGesture:null};let resolves=0;
+ const catalog={...builtinRendererCatalog,resolve(record){resolves++;return builtinRendererCatalog.resolve(record);}},first=scene.project(owner,original,view,snapshot,registry,catalog),added=node('added'),raw=createDocument('p',[...original.canvases.values()],[...original.elements.values(),added]),document={...raw,elements:{size:raw.elements.size,get:id=>raw.elements.get(id),has:id=>raw.elements.has(id),values(){throw Error('whole-document enumeration');},[Symbol.iterator](){throw Error('whole-document enumeration');}}},queries={document,registry,members:()=>[...raw.elements.keys()]};
+ scene.advance(original,document,[{kind:'element',id:'added',before:null,after:added}]);resolves=0;const next=scene.project(owner,document,view,snapshot,registry,catalog,queries);assert.equal(resolves,1);assert.equal(next.nodes.length,1001);assert.equal(next.nodes.at(-1).id,'added');for(let i=0;i<1000;i++)assert.strictEqual(next.nodes[i],first.nodes[i]);assert.strictEqual(next.edges,first.edges);
+});
+
+test('mixed edge insertion and unknown new cards retain full endpoint and placeholder projection rules',()=>{
+ for(const unknown of [false,true]){const f=fixture(),before=f.editor.getSnapshot().document;f.project();const added=unknown?{...node('added'),componentId:'future',dataVersion:99,data:{opaque:{keep:true}}}:node('added'),edge={id:'new-edge',incarnation:1,structure:'connection',componentId:'connection',dataVersion:1,ownerCanvasId:'root',source:{elementId:'A'},target:{elementId:'added',...(unknown?{portId:'future-port'}:{})},data:{},path:null},after=createDocument('p',[...before.canvases.values()],[...before.elements.values(),added,edge]);f.scene.advance(before,after,[{kind:'element',id:added.id,before:null,after:added},{kind:'element',id:edge.id,before:null,after:edge}]);const snapshot=f.sessions.getSnapshot(),result=f.scene.project(f.owner,after,snapshot.views.get('v'),snapshot,f.registry,f.catalog);assert.deepEqual(result,projectCanvas(after,'root',f.registry,snapshot.views.get('v').selection,()=>undefined,null,f.catalog));}
+});