Tracking de l'application VApp (IHM du jeu)

VApp/node_modules/mqtt/build/lib/topic-alias-send.js

@@ -0,0 +1,53 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const lru_cache_1 = require("lru-cache");
+const number_allocator_1 = require("number-allocator");
+class TopicAliasSend {
+    constructor(max) {
+        if (max > 0) {
+            this.aliasToTopic = new lru_cache_1.LRUCache({ max });
+            this.topicToAlias = {};
+            this.numberAllocator = new number_allocator_1.NumberAllocator(1, max);
+            this.max = max;
+            this.length = 0;
+        }
+    }
+    put(topic, alias) {
+        if (alias === 0 || alias > this.max) {
+            return false;
+        }
+        const entry = this.aliasToTopic.get(alias);
+        if (entry) {
+            delete this.topicToAlias[entry];
+        }
+        this.aliasToTopic.set(alias, topic);
+        this.topicToAlias[topic] = alias;
+        this.numberAllocator.use(alias);
+        this.length = this.aliasToTopic.size;
+        return true;
+    }
+    getTopicByAlias(alias) {
+        return this.aliasToTopic.get(alias);
+    }
+    getAliasByTopic(topic) {
+        const alias = this.topicToAlias[topic];
+        if (typeof alias !== 'undefined') {
+            this.aliasToTopic.get(alias);
+        }
+        return alias;
+    }
+    clear() {
+        this.aliasToTopic.clear();
+        this.topicToAlias = {};
+        this.numberAllocator.clear();
+        this.length = 0;
+    }
+    getLruAlias() {
+        const alias = this.numberAllocator.firstVacant();
+        if (alias)
+            return alias;
+        return [...this.aliasToTopic.keys()][this.aliasToTopic.size - 1];
+    }
+}
+exports.default = TopicAliasSend;
+//# sourceMappingURL=topic-alias-send.js.map