lru-cache - npm Package Compare versions

Comparing version 7.9.0 to 7.9.1

index.js

@@ -621,3 +621,3 @@ const perf = typeof performance === 'object' && performance &&
     }
-    const p = Promise.resolve(this.fetchMethod(k, v, fetchOpts)).then(v => {
+    const cb = v => {
       if (!ac.signal.aborted) {
@@ -627,5 +627,16 @@ this.set(k, v, fetchOpts.options)
       return v
-    })
+    }
+    const eb = er => {
+      if (this.valList[index] === p) {
+        this.delete(k)
+      }
+      if (p.__returned === p) {
+        throw er
+      }
+    }
+    const pcall = res => res(this.fetchMethod(k, v, fetchOpts))
+    const p = new Promise(pcall).then(cb, eb)
     p.__abortController = ac
     p.__staleWhileFetching = v
+    p.__returned = null
     if (index === undefined) {
@@ -642,3 +653,5 @@ this.set(k, p, fetchOpts.options)
     return p && typeof p === 'object' && typeof p.then === 'function' &&
-      Object.prototype.hasOwnProperty.call(p, '__staleWhileFetching')
+      Object.prototype.hasOwnProperty.call(p, '__staleWhileFetching') &&
+      Object.prototype.hasOwnProperty.call(p, '__returned') &&
+      (p.__returned === p || p.__returned === null)
   }
@@ -672,3 +685,4 @@
     if (index === undefined) {
-      return this.backgroundFetch(k, index, options)
+      const p = this.backgroundFetch(k, index, options)
+      return (p.__returned = p)
     } else {
@@ -679,3 +693,3 @@ // in cache, maybe already fetching
         return allowStale && v.__staleWhileFetching !== undefined
-          ? v.__staleWhileFetching : v
+          ? v.__staleWhileFetching : (v.__returned = v)
       }
@@ -695,3 +709,3 @@
       return allowStale && p.__staleWhileFetching !== undefined
-        ? p.__staleWhileFetching : p
+        ? p.__staleWhileFetching : (p.__returned = p)
     }
@@ -698,0 +712,0 @@ }

package.json

 {
   "name": "lru-cache",
   "description": "A cache object that deletes the least-recently-used items.",
-  "version": "7.9.0",
+  "version": "7.9.1",
   "author": "Isaac Z. Schlueter <[e-mail]>",
@@ -6,0 +6,0 @@ "keywords": [

No alert changes

Improved metrics

Total package byte prevSize

50012

increased by0.85%

Lines of code

796

increased by1.79%

No dependency changes