Fix:Include Watcher as lib with no dependencies and fix tiny-readdir bug #610

server/libs/watcher/atomically/utils/retryify_queue.js

@@ -0,0 +1,58 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+const consts_1 = require("../consts");
+/* RETRYIFY QUEUE */
+const RetryfyQueue = {
+    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 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();
+        }
+    }
+};
+/* EXPORT */
+exports.default = RetryfyQueue;