Initial commit: Torrent search and download application

node_modules/puppeteer-core/src/common/LazyArg.ts

@@ -0,0 +1,37 @@
+/**
+ * @license
+ * Copyright 2022 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {JSHandle} from '../api/JSHandle.js';
+import type {PuppeteerInjectedUtil} from '../injected/injected.js';
+
+/**
+ * @internal
+ */
+export interface PuppeteerUtilWrapper {
+  puppeteerUtil: Promise<JSHandle<PuppeteerInjectedUtil>>;
+}
+
+/**
+ * @internal
+ */
+export class LazyArg<T, Context = PuppeteerUtilWrapper> {
+  static create = <T>(
+    get: (context: PuppeteerUtilWrapper) => Promise<T> | T,
+  ): T => {
+    // We don't want to introduce LazyArg to the type system, otherwise we would
+    // have to make it public.
+    return new LazyArg(get) as unknown as T;
+  };
+
+  #get: (context: Context) => Promise<T> | T;
+  private constructor(get: (context: Context) => Promise<T> | T) {
+    this.#get = get;
+  }
+
+  async get(context: Context): Promise<T> {
+    return await this.#get(context);
+  }
+}