Don't eagerly load all JS assets (#3929)

Co-authored-by: Hailey <[email protected]>

scripts/post-web-build.js

@@ -2,26 +2,25 @@ const path = require('path')
 const fs = require('fs')
 
 const projectRoot = path.join(__dirname, '..')
-const webBuildJs = path.join(projectRoot, 'web-build', 'static', 'js')
 const templateFile = path.join(
   projectRoot,
   'bskyweb',
   'templates',
   'scripts.html',
 )
 
-const jsFiles = fs.readdirSync(webBuildJs).filter(name => name.endsWith('.js'))
-jsFiles.sort((a, b) => {
-  // make sure main is written last
-  if (a.startsWith('main')) return 1
-  if (b.startsWith('main')) return -1
-  return a.localeCompare(b)
-})
+const {entrypoints} = require(path.join(
+  projectRoot,
+  'web-build/asset-manifest.json',
+))
 
-console.log(`Found ${jsFiles.length} js files in web-build`)
+console.log(`Found ${entrypoints.length} entrypoints`)
 console.log(`Writing ${templateFile}`)
 
-const outputFile = jsFiles
-  .map(name => `<script defer="defer" src="/static/js/${name}"></script>`)
+const outputFile = entrypoints
+  .map(name => {
+    const file = path.basename(name)
+    return `<script defer="defer" src="/static/js/${file}"></script>`
+  })
   .join('\n')
 fs.writeFileSync(templateFile, outputFile)