third_party/v8/tools/system-analyzer/events.mjs

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

class SelectionEvent extends CustomEvent {
  // TODO: turn into static class fields once Safari supports it.
  static get name() {
    return 'showentries';
  }
  constructor(entries) {
    super(SelectionEvent.name, {bubbles: true, composed: true});
    if (!Array.isArray(entries) || entries.length == 0) {
      throw new Error('No valid entries selected!');
    }
    this.entries = entries;
  }
}

class FocusEvent extends CustomEvent {
  static get name() {
    return 'showentrydetail';
  }
  constructor(entry) {
    super(FocusEvent.name, {bubbles: true, composed: true});
    this.entry = entry;
  }
}

class SelectTimeEvent extends CustomEvent {
  static get name() {
    return 'timerangeselect';
  }
  constructor(start, end) {
    super(SelectTimeEvent.name, {bubbles: true, composed: true});
    this.start = start;
    this.end = end;
  }
}

class SynchronizeSelectionEvent extends CustomEvent {
  static get name() {
    return 'syncselection';
  }
  constructor(start, end) {
    super(SynchronizeSelectionEvent.name, {bubbles: true, composed: true});
    this.start = start;
    this.end = end;
  }
}

export {SelectionEvent, FocusEvent, SelectTimeEvent, SynchronizeSelectionEvent};