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⚡ Optimize folder filtering performance with useMemo #13

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Merged
julesklord merged 1 commit into from
Jul 2, 2026
Merged

⚡ Optimize folder filtering performance with useMemo #13

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27 changes: 18 additions & 9 deletions src/App.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -1575,6 +1575,15 @@ function App(){
}
},[filePreview]);

var filteredFilesMemo = useMemo(function() {
if (!data || !data.files) return [];
return folderFilter
? data.files.filter(function(f) {
return f.folder === folderFilter || f.folder.startsWith(folderFilter + '/');
})
: data.files;
}, [data, folderFilter]);

var colorMap=useMemo(function(){
if(!data)return{};
var m={};
Expand All @@ -1598,7 +1607,7 @@ function App(){
try{
var w=svgRef.current.clientWidth;
var h=svgRef.current.clientHeight;
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var nodes, links;
if (viewGroupMode === 'folder' && !folderFilter) {
var folderMap = {};
Expand Down Expand Up @@ -1836,7 +1845,7 @@ function App(){
}
return materialCache[col];
}
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var nodes, links;

var existingNodesMap=new Map();
Expand Down Expand Up @@ -2293,7 +2302,7 @@ function App(){
svg.call(zoom);
var hier={name:'root',children:[]};
var folderMap={};
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
filteredFiles.forEach(function(f){
var folder=f.folder||'root';
if(!folderMap[folder])folderMap[folder]={name:folder,children:[]};
Expand Down Expand Up @@ -2363,7 +2372,7 @@ function App(){
var g=svg.append('g').attr('transform','translate(100,80)');
var zoom=d3.zoom().scaleExtent([0.5,3]).on('zoom',function(e){g.attr('transform','translate('+(100+e.transform.x)+','+(80+e.transform.y)+') scale('+e.transform.k+')');});
svg.call(zoom);
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var files=filteredFiles.slice(0,40);
var n=files.length;
var cellSize=Math.min(18,Math.max(10,(Math.min(w-120,h-100))/n));
Expand Down Expand Up @@ -2422,7 +2431,7 @@ function App(){
var g=svg.append('g').attr('transform','translate(80,20)');
var zoom=d3.zoom().scaleExtent([0.3,3]).on('zoom',function(e){g.attr('transform','translate('+(80+e.transform.x)+','+(20+e.transform.y)+') scale('+e.transform.k+')');});
svg.call(zoom);
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var hier={name:'root',children:[]};
var folderMap={};
filteredFiles.slice(0,80).forEach(function(f){
Expand Down Expand Up @@ -2477,7 +2486,7 @@ function App(){
var g=svg.append('g').attr('transform','translate(20,20)');
var zoom=d3.zoom().scaleExtent([0.5,2]).on('zoom',function(e){g.attr('transform','translate('+(20+e.transform.x)+','+(20+e.transform.y)+') scale('+e.transform.k+')');});
svg.call(zoom);
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var folders=[...new Set(filteredFiles.map(function(f){return f.folder||'root';}))].slice(0,15);
var folderIdx={};folders.forEach(function(f,i){folderIdx[f]=i;});
var filteredPaths=new Set(filteredFiles.map(function(f){return f.path;}));
Expand Down Expand Up @@ -2563,7 +2572,7 @@ function App(){
var g=svg.append('g');
var zoom=d3.zoom().scaleExtent([0.2,4]).on('zoom',function(e){g.attr('transform',e.transform);});
svg.call(zoom);
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var files=filteredFiles.slice(0,100);
var fileIdx={};files.forEach(function(f,i){fileIdx[f.path]=i;});
var folders=[...new Set(files.map(function(f){return f.folder||'root';}))];
Expand Down Expand Up @@ -2634,7 +2643,7 @@ function App(){
var zoom=d3.zoom().scaleExtent([0.4,3]).on('zoom',function(e){mainG.attr('transform','translate('+(w/2+e.transform.x)+','+(h/2+e.transform.y)+') scale('+e.transform.k+')');});
svg.call(zoom);
var radius=Math.min(w,h)/2-100;
var filteredFiles=folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}):data.files;
var filteredFiles = filteredFilesMemo;
var files=filteredFiles.slice(0,70);
var fileIdx={};files.forEach(function(f,i){fileIdx[f.path]=i;});
var folderGroups={};files.forEach(function(f){var folder=f.folder||'root';if(!folderGroups[folder])folderGroups[folder]=[];folderGroups[folder].push(f);});
Expand Down Expand Up @@ -3777,7 +3786,7 @@ function App(){
)
),
graphConfig.vizType!=='architecture'&&React.createElement('div',{className:'canvas-info'},
React.createElement('div',{className:'info-chip'},React.createElement('strong',null,folderFilter?data.files.filter(function(f){return f.folder===folderFilter||f.folder.startsWith(folderFilter+'/');}).length:data.files.length),' files'),
React.createElement('div',{className:'info-chip'},React.createElement('strong',null,filteredFilesMemo.length),' files'),
React.createElement('div',{className:'info-chip'},React.createElement('strong',null,data.connections.length),' links'),
data.excludePatterns&&data.excludePatterns.length>0&&React.createElement('div',{className:'info-chip'},
React.createElement(Icon,{name:'ban',size:'s'}),
Expand Down
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