Keep unrelated renderers idle through local edits and acknowledgments

2026-11-09 19:09:12 +08:00
parent 43c74a1485
commit 28c792d640
7 changed files with 35 additions and 12 deletions
@@ -30,3 +30,4 @@ test('measurement reuse preserves translated bounds but invalidates changed port
 test('unchanged projection arrays retain identity while fresh document/query provenance remains current',()=>{const cache=createProjectionCache(),scope={},first=project(cache,scope,document),clone=createDocument('project',[...document.canvases.values()],[...document.elements.values()].map(record=>structuredClone(record))),second=project(cache,scope,clone);assert.strictEqual(second.nodes,first.nodes);assert.strictEqual(second.edges,first.edges);assert.strictEqual(second.document,clone);assert.notStrictEqual(second.document,first.document);const changed=applyChanges(clone,[{kind:'field',target:{id:'A',incarnation:1},field:'data.text',before:'source',after:'array edit',beforePresent:true,afterPresent:true}]),third=project(cache,scope,changed);assert.notStrictEqual(third.nodes,second.nodes);assert.strictEqual(third.edges,second.edges);assert.strictEqual(third.nodes[1],second.nodes[1]);});
 test('array reuse respects order, scope replacement and explicit clearing',()=>{const cache=createProjectionCache(),scope={},first=project(cache,scope,document),raw=projectCanvas(document,'root',registry,new Set(),()=>undefined);raw.nodes.reverse();const reverse=cache.reuse(scope,document,'root',raw);assert.notStrictEqual(reverse.nodes,first.nodes);assert.deepEqual(reverse.nodes.map(node=>node.id),first.nodes.map(node=>node.id).reverse());const replacement=project(cache,{},document);assert.notStrictEqual(replacement.nodes,first.nodes);cache.clear();assert.notStrictEqual(project(cache,scope,document).nodes,first.nodes);});
 test('an invalid edge cannot partially replace the retained node table',()=>{const cache=createProjectionCache(),scope={},first=project(cache,scope,document),changed=applyChanges(document,[{kind:'field',target:{id:'A',incarnation:1},field:'data.text',before:'source',after:'prepared only',beforePresent:true,afterPresent:true}]),raw=projectCanvas(changed,'root',registry,new Set(),()=>undefined);raw.edges.push({...raw.edges[0],id:'missing-record'});assert.throws(()=>cache.reuse(scope,changed,'root',raw),/projection_identity_missing/);assert.strictEqual(cache.getNode('A'),first.nodes.find(node=>node.id==='A'));assert.equal(project(cache,scope,changed).nodes.find(node=>node.id==='A').data.text,'prepared only');});
+test('measurement-only updates retain equal data/style/position props without mutating frozen source values',()=>{const cache=createProjectionCache(),scope={},first=project(cache,scope,document),raw=projectCanvas(document,'root',registry,new Set(),()=>undefined);raw.nodes=raw.nodes.map(node=>Object.freeze({...node,measured:{width:node.width,height:node.height}}));const result=cache.reuse(scope,document,'root',raw);for(let i=0;i<result.nodes.length;i++){assert.strictEqual(result.nodes[i].data,first.nodes[i].data);assert.strictEqual(result.nodes[i].style,first.nodes[i].style);assert.strictEqual(result.nodes[i].position,first.nodes[i].position);assert.ok(result.nodes[i].measured);}assert.notStrictEqual(result.nodes,first.nodes);});