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e31f0a7d25
PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
31 lines
656 B
JavaScript
31 lines
656 B
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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Debug = debug.Debug
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let thisValue;
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function listener(event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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thisValue = exec_state.frame(0).evaluate('this').value();
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}
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};
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Debug.setListener(listener);
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class Foo {}
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class Bar extends Foo {
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constructor() {
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super();
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var b = () => this;
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this.c = 'b'; // <-- Inspect 'this' (it will be undefined)
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debugger;
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}
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}
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new Bar();
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Debug.setListener(null);
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assertNotEquals(undefined, thisValue);
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