perf: reduce frontend memory pressure and startup cost

Limit long-lived page and component retention while virtualizing large card views to keep runtime memory lower. Defer heavy editor, chart, workflow, calendar, and icon code so the app loads less JavaScript up front.

src/@iconify/build-icons.ts

@@ -17,6 +17,7 @@ import { createRequire } from 'node:module'
 
 // Get current directory
 const __dirname = dirname(fileURLToPath(import.meta.url))
+const projectSrcDir = join(__dirname, '..')
 
 // Create require function for importing JSON files in ESM
 const require = createRequire(import.meta.url)
@@ -86,36 +87,12 @@ const sources: BundleScriptConfig = {
   ],
 
   icons: [
-    // 'mdi:home',
-    // 'mdi:account',
-    // 'mdi:login',
-    // 'mdi:logout',
-    // 'octicon:book-24',
-    // 'octicon:code-square-24',
     'lucide:sparkles',
     'material-symbols:passkey',
     'line-md:loading-twotone-loop',
   ],
 
-  json: [
-    // Custom JSON file
-    // 'json/gg.json',
-
-    // Iconify JSON file (@iconify/json is a package name, /json/ is directory where files are, then filename)
-    require.resolve('@iconify-json/mdi/icons.json'),
-
-    // Custom file with only few icons
-    // {
-    //   filename: require.resolve('@iconify-json/line-md/icons.json'),
-    //   icons: [
-    //     'home-twotone-alt',
-    //     'github',
-    //     'document-list',
-    //     'document-code',
-    //     'image-twotone',
-    //   ],
-    // },
-  ],
+  json: [],
 }
 
 // Iconify component (this changes import statement in generated file)
@@ -133,6 +110,15 @@ const target = join(__dirname, 'icons-bundle.js');
  */
 // eslint-disable-next-line sonarjs/cognitive-complexity
 (async function () {
+  const scannedIcons = await collectUsedIcons(projectSrcDir)
+
+  if (sources.icons) {
+    sources.icons.push(...scannedIcons)
+    sources.icons = Array.from(new Set(sources.icons)).sort()
+  } else {
+    sources.icons = scannedIcons
+  }
+
   let bundle = commonJS
     ? `const { addCollection } = require('${component}');\n\n`
     : `import { addCollection } from '${component}';\n\n`
@@ -280,6 +266,56 @@ const target = join(__dirname, 'icons-bundle.js');
   console.error(err)
 })
 
+async function collectUsedIcons(rootDir: string): Promise<string[]> {
+  const icons = new Set<string>()
+  const files = await walkDirectory(rootDir)
+  const sourceFiles = files.filter(file => /\.(vue|ts|js|tsx|jsx)$/.test(file))
+
+  for (const file of sourceFiles) {
+    if (file.includes('/@iconify/')) {
+      continue
+    }
+
+    const content = await fs.readFile(file, 'utf8')
+
+    for (const match of content.matchAll(/\b(lucide|material-symbols|line-md|tabler):([a-z0-9-]+)\b/g)) {
+      icons.add(`${match[1]}:${match[2]}`)
+    }
+
+    for (const match of content.matchAll(/\bmdi:([a-z0-9-]+)\b/g)) {
+      icons.add(`mdi:${match[1]}`)
+    }
+
+    for (const match of content.matchAll(/\btabler-([a-z0-9-]+)\b/g)) {
+      icons.add(`tabler:${match[1]}`)
+    }
+
+    for (const match of content.matchAll(/\bmdi-([a-z0-9-]+)\b/g)) {
+      icons.add(`mdi:${match[1]}`)
+    }
+  }
+
+  return Array.from(icons).sort()
+}
+
+async function walkDirectory(dir: string): Promise<string[]> {
+  const entries = await fs.readdir(dir, { withFileTypes: true })
+  const files: string[] = []
+
+  for (const entry of entries) {
+    const fullPath = join(dir, entry.name)
+
+    if (entry.isDirectory()) {
+      files.push(...(await walkDirectory(fullPath)))
+      continue
+    }
+
+    files.push(fullPath)
+  }
+
+  return files
+}
+
 /**
  * Remove metadata from icon set
  */