Initial commit - Event Planner application

node_modules/@nestjs/core/helpers/barrier.js

@@ -0,0 +1,46 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Barrier = void 0;
+/**
+ * A simple barrier to synchronize flow of multiple async operations.
+ */
+class Barrier {
+    constructor(targetCount) {
+        this.currentCount = 0;
+        this.targetCount = targetCount;
+        this.promise = new Promise(resolve => {
+            this.resolve = resolve;
+        });
+    }
+    /**
+     * Signal that a participant has reached the barrier.
+     *
+     * The barrier will be resolved once `targetCount` participants have reached it.
+     */
+    signal() {
+        this.currentCount += 1;
+        if (this.currentCount === this.targetCount) {
+            this.resolve();
+        }
+    }
+    /**
+     * Wait for the barrier to be resolved.
+     *
+     * @returns A promise that resolves when the barrier is resolved.
+     */
+    async wait() {
+        return this.promise;
+    }
+    /**
+     * Signal that a participant has reached the barrier and wait for the barrier to be resolved.
+     *
+     * The barrier will be resolved once `targetCount` participants have reached it.
+     *
+     * @returns A promise that resolves when the barrier is resolved.
+     */
+    async signalAndWait() {
+        this.signal();
+        return this.wait();
+    }
+}
+exports.Barrier = Barrier;