feat(pkgmap): cache pkgmaps even if missing

npm · Aug 8, 2018 · 3cfd0e6 · 3cfd0e6
1 parent 7066961
commit 3cfd0e6
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/lib/pkgmap.js b/lib/pkgmap.js
@@ -24,16 +24,19 @@ function resolve (...p) {
   const pkgMapIdx = resolved.indexOf(pkgMapName)
   if (pkgMapIdx !== -1 && pkgMapIdx + mapNameLen < resolved.length) {
     const pkgMapPath = resolved.substr(0, pkgMapIdx + mapNameLen)
-    let pkgMap = pkgMapCache.get(pkgMapPath)
-    if (!pkgMap) {
+    let pkgMap
+    if (pkgMapCache.has(pkgMapPath)) {
+      pkgMap = pkgMapCache.get(pkgMapPath)
+    } else {
       try {
         const p = path.toNamespacedPath(pkgMapPath)
         pkgMap = JSON.parse(fs.readFileSync(p))
         pkgMapCache.set(p, pkgMap)
       } catch (err) {
-        return null
+        return false
       }
     }
+    if (!pkgMap) { return false }
     let subPath = resolved.substr(pkgMapIdx + mapNameLen + 1)
     let pkgName
     let scope = pkgMap