atomically - npm Package Compare versions

Comparing version 1.4.0 to 1.5.0

dist/utils/retryify_queue.d.ts

@@ -0,5 +1,15 @@
+/// <reference types="node" />
 declare const RetryfyQueue: {
-    queue: Set<unknown>;
-    schedule: (id: any, limit?: number) => Promise<Function>;
+    interval: number;
+    intervalId: NodeJS.Timeout | undefined;
+    limit: number;
+    queueActive: Set<Function>;
+    queueWaiting: Set<Function>;
+    init: () => void;
+    reset: () => void;
+    add: (fn: Function) => void;
+    remove: (fn: Function) => void;
+    schedule: () => Promise<Function>;
+    tick: () => void;
 };
 export default RetryfyQueue;

dist/utils/retryify_queue.js

@@ -7,14 +7,50 @@ "use strict";
 const RetryfyQueue = {
-    queue: new Set(),
-    schedule: (id, limit = consts_1.LIMIT_FILES_DESCRIPTORS) => {
-        const add = () => RetryfyQueue.queue.add(id), remove = () => RetryfyQueue.queue.delete(id);
+    interval: 25,
+    intervalId: undefined,
+    limit: consts_1.LIMIT_FILES_DESCRIPTORS,
+    queueActive: new Set(),
+    queueWaiting: new Set(),
+    init: () => {
+        if (RetryfyQueue.intervalId)
+            return;
+        RetryfyQueue.intervalId = setInterval(RetryfyQueue.tick, RetryfyQueue.interval);
+    },
+    reset: () => {
+        if (!RetryfyQueue.intervalId)
+            return;
+        clearInterval(RetryfyQueue.intervalId);
+        delete RetryfyQueue.intervalId;
+    },
+    add: (fn) => {
+        RetryfyQueue.queueWaiting.add(fn);
+        if (RetryfyQueue.queueActive.size < (RetryfyQueue.limit / 2)) { // Active queue not under preassure, executing immediately
+            RetryfyQueue.tick();
+        }
+        else {
+            RetryfyQueue.init();
+        }
+    },
+    remove: (fn) => {
+        RetryfyQueue.queueWaiting.delete(fn);
+        RetryfyQueue.queueActive.delete(fn);
+    },
+    schedule: () => {
         return new Promise(resolve => {
-            const check = () => {
-                if (RetryfyQueue.queue.size >= limit)
-                    return setTimeout(check, 150);
-                add();
-                resolve(remove);
-            };
-            check();
+            const cleanup = () => RetryfyQueue.remove(resolver);
+            const resolver = () => resolve(cleanup);
+            RetryfyQueue.add(resolver);
         });
+    },
+    tick: () => {
+        if (RetryfyQueue.queueActive.size >= RetryfyQueue.limit)
+            return;
+        if (!RetryfyQueue.queueWaiting.size)
+            return RetryfyQueue.reset();
+        for (const fn of RetryfyQueue.queueWaiting) {
+            if (RetryfyQueue.queueActive.size >= RetryfyQueue.limit)
+                break;
+            RetryfyQueue.queueWaiting.delete(fn);
+            RetryfyQueue.queueActive.add(fn);
+            fn();
+        }
     }
@@ -21,0 +57,0 @@ };

dist/utils/retryify.js

@@ -10,3 +10,3 @@ "use strict";
         return function attempt() {
-            return retryify_queue_1.default.schedule(attempt).then(cleanup => {
+            return retryify_queue_1.default.schedule().then(cleanup => {
                 return fn.apply(undefined, arguments).then(result => {
@@ -13,0 +13,0 @@ cleanup();

package.json

 {
   "name": "atomically",
   "description": "Read and write files atomically and reliably.",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "main": "dist/index.js",
@@ -6,0 +6,0 @@ "types": "dist/index.d.ts",

src/utils/retryify_queue.ts

@@ -10,24 +10,81 @@
 
-  queue: new Set (),
+  interval: 25,
+  intervalId: <NodeJS.Timeout | undefined> undefined,
+  limit: LIMIT_FILES_DESCRIPTORS,
+  queueActive: new Set<Function> (),
+  queueWaiting: new Set<Function> (),
 
-  schedule: ( id: any, limit: number = LIMIT_FILES_DESCRIPTORS ): Promise<Function> => {
+  init: (): void => {
 
-    const add = () => RetryfyQueue.queue.add ( id ),
-          remove = () => RetryfyQueue.queue.delete ( id );
+    if ( RetryfyQueue.intervalId ) return;
 
-    return new Promise ( resolve => {
+    RetryfyQueue.intervalId = setInterval ( RetryfyQueue.tick, RetryfyQueue.interval );
 
-      const check = () => {
+  },
 
-        if ( RetryfyQueue.queue.size >= limit ) return setTimeout ( check, 150 );
+  reset: (): void => {
 
-        add ();
-        resolve ( remove );
+    if ( !RetryfyQueue.intervalId ) return;
 
-      };
+    clearInterval ( RetryfyQueue.intervalId );
 
-      check ();
+    delete RetryfyQueue.intervalId;
 
+  },
+
+  add: ( fn: Function ): void => {
+
+    RetryfyQueue.queueWaiting.add ( fn );
+
+    if ( RetryfyQueue.queueActive.size < ( RetryfyQueue.limit / 2 ) ) { // Active queue not under preassure, executing immediately
+
+      RetryfyQueue.tick ();
+
+    } else {
+
+      RetryfyQueue.init ();
+
+    }
+
+  },
+
+  remove: ( fn: Function ): void => {
+
+    RetryfyQueue.queueWaiting.delete ( fn );
+
+    RetryfyQueue.queueActive.delete ( fn );
+
+  },
+
+  schedule: (): Promise<Function> => {
+
+    return new Promise ( resolve => {
+
+      const cleanup = () => RetryfyQueue.remove ( resolver );
+
+      const resolver = () => resolve ( cleanup );
+
+      RetryfyQueue.add ( resolver );
+
     });
 
+  },
+
+  tick: (): void => {
+
+    if ( RetryfyQueue.queueActive.size >= RetryfyQueue.limit ) return;
+
+    if ( !RetryfyQueue.queueWaiting.size ) return RetryfyQueue.reset ();
+
+    for ( const fn of RetryfyQueue.queueWaiting ) {
+
+      if ( RetryfyQueue.queueActive.size >= RetryfyQueue.limit ) break;
+
+      RetryfyQueue.queueWaiting.delete ( fn );
+      RetryfyQueue.queueActive.add ( fn );
+
+      fn ();
+
+    }
+
   }
@@ -34,0 +91,0 @@

src/utils/retryify.ts

@@ -15,3 +15,3 @@
 
-      return RetryfyQueue.schedule ( attempt ).then ( cleanup => {
+      return RetryfyQueue.schedule ().then ( cleanup => {
 
@@ -18,0 +18,0 @@ return fn.apply ( undefined, arguments ).then ( result => {

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Improved metrics

Total package byte prevSize

92802

increased by2.79%

Lines of code

2076

increased by3.8%

No dependency changes