perf(copy): run filter in parallel as well

jprichardson · Dec 1, 2023 · 763fc95 · 763fc95
1 parent 46b1ac3
commit 763fc95
Showing 1 changed file with 9 additions and 8 deletions.
diff --git a/lib/copy/copy.js b/lib/copy/copy.js
@@ -120,15 +120,16 @@ async function onDir (srcStat, destStat, src, dest, opts) {
     const srcItem = path.join(src, item.name)
     const destItem = path.join(dest, item.name)
 
-    // skip the item if it is matches by the filter function
-    const include = await runFilter(srcItem, destItem, opts)
-    if (!include) continue
-
     promises.push(
-      stat.checkPaths(srcItem, destItem, 'copy', opts).then(({ destStat }) => {
-        // If the item is a copyable file, `getStatsAndPerformCopy` will copy it
-        // If the item is a directory, `getStatsAndPerformCopy` will call `onDir` recursively
-        return getStatsAndPerformCopy(destStat, srcItem, destItem, opts)
+      runFilter(srcItem, destItem, opts).then(include => {
+        if (include) {
+          // only copy the item if it matches the filter function
+          return stat.checkPaths(srcItem, destItem, 'copy', opts).then(({ destStat }) => {
+            // If the item is a copyable file, `getStatsAndPerformCopy` will copy it
+            // If the item is a directory, `getStatsAndPerformCopy` will call `onDir` recursively
+            return getStatsAndPerformCopy(destStat, srcItem, destItem, opts)
+          })
+        }
       })
     )
   }