Website Structure

Frontend-Learner/node_modules/ioredis/built/cluster/DelayQueue.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const utils_1 = require("../utils");
+const Deque = require("denque");
+const debug = (0, utils_1.Debug)("delayqueue");
+/**
+ * Queue that runs items after specified duration
+ */
+class DelayQueue {
+    constructor() {
+        this.queues = {};
+        this.timeouts = {};
+    }
+    /**
+     * Add a new item to the queue
+     *
+     * @param bucket bucket name
+     * @param item function that will run later
+     * @param options
+     */
+    push(bucket, item, options) {
+        const callback = options.callback || process.nextTick;
+        if (!this.queues[bucket]) {
+            this.queues[bucket] = new Deque();
+        }
+        const queue = this.queues[bucket];
+        queue.push(item);
+        if (!this.timeouts[bucket]) {
+            this.timeouts[bucket] = setTimeout(() => {
+                callback(() => {
+                    this.timeouts[bucket] = null;
+                    this.execute(bucket);
+                });
+            }, options.timeout);
+        }
+    }
+    execute(bucket) {
+        const queue = this.queues[bucket];
+        if (!queue) {
+            return;
+        }
+        const { length } = queue;
+        if (!length) {
+            return;
+        }
+        debug("send %d commands in %s queue", length, bucket);
+        this.queues[bucket] = null;
+        while (queue.length > 0) {
+            queue.shift()();
+        }
+    }
+}
+exports.default = DelayQueue;