1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const common = require('../common');
// Manually converted from https://github.com/web-platform-tests/wpt/blob/master/dom/events/AddEventListenerOptions-passive.html// in order to define the `document` ourselves
const {  fail,  ok,  strictEqual} = require('assert');
{  const document = new EventTarget();  let supportsPassive = false;  const query_options = {    get passive() {      supportsPassive = true;      return false;    },    get dummy() {      fail('dummy value getter invoked');      return false;    }  };
  document.addEventListener('test_event', null, query_options);  ok(supportsPassive);
  supportsPassive = false;  document.removeEventListener('test_event', null, query_options);  strictEqual(supportsPassive, false);}{  function testPassiveValue(optionsValue, expectedDefaultPrevented) {    const document = new EventTarget();    let defaultPrevented;    function handler(e) {      if (e.defaultPrevented) {        fail('Event prematurely marked defaultPrevented');      }      e.preventDefault();      defaultPrevented = e.defaultPrevented;    }    document.addEventListener('test', handler, optionsValue);    // TODO the WHATWG test is more extensive here and tests dispatching on    // document.body, if we ever support getParent we should amend this    const ev = new Event('test', { bubbles: true, cancelable: true });    const uncanceled = document.dispatchEvent(ev);
    strictEqual(defaultPrevented, expectedDefaultPrevented);    strictEqual(uncanceled, !expectedDefaultPrevented);
    document.removeEventListener('test', handler, optionsValue);  }  testPassiveValue(undefined, true);  testPassiveValue({}, true);  testPassiveValue({ passive: false }, true);
  common.skip('TODO: passive listeners is still broken');  testPassiveValue({ passive: 1 }, false);  testPassiveValue({ passive: true }, false);  testPassiveValue({ passive: 0 }, true);}