1 files changed, 109 insertions, 0 deletions
diff --git a/remote/test/puppeteer/packages/puppeteer-core/src/cdp/JSHandle.ts b/remote/test/puppeteer/packages/puppeteer-core/src/cdp/JSHandle.ts
new file mode 100644
index 0000000000..bba5f96b5d
--- /dev/null
+++ b/remote/test/puppeteer/packages/puppeteer-core/src/cdp/JSHandle.ts
@@ -0,0 +1,109 @@
+/**
+ * @license
+ * Copyright 2019 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Protocol} from 'devtools-protocol';
+
+import type {CDPSession} from '../api/CDPSession.js';
+import {JSHandle} from '../api/JSHandle.js';
+import {debugError} from '../common/util.js';
+
+import type {CdpElementHandle} from './ElementHandle.js';
+import type {IsolatedWorld} from './IsolatedWorld.js';
+import {valueFromRemoteObject} from './utils.js';
+
+/**
+ * @internal
+ */
+export class CdpJSHandle<T = unknown> extends JSHandle<T> {
+  #disposed = false;
+  readonly #remoteObject: Protocol.Runtime.RemoteObject;
+  readonly #world: IsolatedWorld;
+
+  constructor(
+    world: IsolatedWorld,
+    remoteObject: Protocol.Runtime.RemoteObject
+  ) {
+    super();
+    this.#world = world;
+    this.#remoteObject = remoteObject;
+  }
+
+  override get disposed(): boolean {
+    return this.#disposed;
+  }
+
+  override get realm(): IsolatedWorld {
+    return this.#world;
+  }
+
+  get client(): CDPSession {
+    return this.realm.environment.client;
+  }
+
+  override async jsonValue(): Promise<T> {
+    if (!this.#remoteObject.objectId) {
+      return valueFromRemoteObject(this.#remoteObject);
+    }
+    const value = await this.evaluate(object => {
+      return object;
+    });
+    if (value === undefined) {
+      throw new Error('Could not serialize referenced object');
+    }
+    return value;
+  }
+
+  /**
+   * Either `null` or the handle itself if the handle is an
+   * instance of {@link ElementHandle}.
+   */
+  override asElement(): CdpElementHandle<Node> | null {
+    return null;
+  }
+
+  override async dispose(): Promise<void> {
+    if (this.#disposed) {
+      return;
+    }
+    this.#disposed = true;
+    await releaseObject(this.client, this.#remoteObject);
+  }
+
+  override toString(): string {
+    if (!this.#remoteObject.objectId) {
+      return 'JSHandle:' + valueFromRemoteObject(this.#remoteObject);
+    }
+    const type = this.#remoteObject.subtype || this.#remoteObject.type;
+    return 'JSHandle@' + type;
+  }
+
+  override get id(): string | undefined {
+    return this.#remoteObject.objectId;
+  }
+
+  override remoteObject(): Protocol.Runtime.RemoteObject {
+    return this.#remoteObject;
+  }
+}
+
+/**
+ * @internal
+ */
+export async function releaseObject(
+  client: CDPSession,
+  remoteObject: Protocol.Runtime.RemoteObject
+): Promise<void> {
+  if (!remoteObject.objectId) {
+    return;
+  }
+  await client
+    .send('Runtime.releaseObject', {objectId: remoteObject.objectId})
+    .catch(error => {
+      // Exceptions might happen in case of a page been navigated or closed.
+      // Swallow these since they are harmless and we don't leak anything in this case.
+      debugError(error);
+    });
+}