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200.58.107.103

File Name : modify-in-emit.js

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

require('./common');
var assert = require('assert');
var events = require('../');

var callbacks_called = [];

var e = new events.EventEmitter();

function callback1() {
  callbacks_called.push('callback1');
  e.on('foo', callback2);
  e.on('foo', callback3);
  e.removeListener('foo', callback1);
}

function callback2() {
  callbacks_called.push('callback2');
  e.removeListener('foo', callback2);
}

function callback3() {
  callbacks_called.push('callback3');
  e.removeListener('foo', callback3);
}

e.on('foo', callback1);
assert.strictEqual(e.listeners('foo').length, 1);

e.emit('foo');
assert.strictEqual(e.listeners('foo').length, 2);
assert.ok(Array.isArray(callbacks_called));
assert.strictEqual(callbacks_called.length, 1);
assert.strictEqual(callbacks_called[0], 'callback1');

e.emit('foo');
assert.strictEqual(e.listeners('foo').length, 0);
assert.ok(Array.isArray(callbacks_called));
assert.strictEqual(callbacks_called.length, 3);
assert.strictEqual(callbacks_called[0], 'callback1');
assert.strictEqual(callbacks_called[1], 'callback2');
assert.strictEqual(callbacks_called[2], 'callback3');

e.on('foo', callback1);
e.on('foo', callback2);
assert.strictEqual(e.listeners('foo').length, 2);
e.removeAllListeners('foo');
assert.strictEqual(e.listeners('foo').length, 0);

// Verify that removing callbacks while in emit allows emits to propagate to
// all listeners
callbacks_called = [];

e.on('foo', callback2);
e.on('foo', callback3);
assert.strictEqual(2, e.listeners('foo').length);
e.emit('foo');
assert.ok(Array.isArray(callbacks_called));
assert.strictEqual(callbacks_called.length, 2);
assert.strictEqual(callbacks_called[0], 'callback2');
assert.strictEqual(callbacks_called[1], 'callback3');
assert.strictEqual(0, e.listeners('foo').length);

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:50
..	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:50
add-listeners.js	file	3.7 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
check-listener-leaks.js	file	3.38 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
common.js	file	3.13 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
errors.js	file	344 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
events-list.js	file	813 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
events-once.js	file	5.97 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
index.js	file	1.8 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
legacy-compat.js	file	296 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
listener-count.js	file	1.65 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
listeners-side-effects.js	file	2.05 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
listeners.js	file	5.21 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
max-listeners.js	file	2.02 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
method-names.js	file	1.63 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
modify-in-emit.js	file	3.15 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
num-args.js	file	2.17 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
once.js	file	2.59 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
prepend.js	file	833 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
remove-all-listeners.js	file	4.62 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
remove-listeners.js	file	6.44 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:50
set-max-listeners-side-effects.js	file	1.41 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:50
special-event-names.js	file	1.39 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:50
subclass.js	file	1.96 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:50
symbols.js	file	627 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:50