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Name	Size	Last Modified
[F]add-listeners.js Edit	3.70 KB	2022-10-08 17:28:19
[F]check-listener-leaks.js Edit	3.38 KB	2022-10-08 17:28:19
[F]common.js Edit	3.13 KB	2022-10-08 17:28:19
[F]errors.js Edit	344 bytes	2022-10-08 17:28:19
[F]events-list.js Edit	813 bytes	2022-10-08 17:28:20
[F]events-once.js Edit	5.97 KB	2022-10-08 17:28:20
[F]index.js Edit	1.80 KB	2022-10-08 17:28:20
[F]legacy-compat.js Edit	296 bytes	2022-10-08 17:28:20
[F]listener-count.js Edit	1.65 KB	2022-10-08 17:28:21
[F]listeners-side-effects.js Edit	2.05 KB	2022-10-08 17:28:21
[F]listeners.js Edit	5.21 KB	2022-10-08 17:28:21
[F]max-listeners.js Edit	2.02 KB	2022-10-08 17:28:21
[F]method-names.js Edit	1.63 KB	2022-10-08 17:28:21
[F]modify-in-emit.js Edit	3.15 KB	2022-10-08 17:28:21
[F]num-args.js Edit	2.17 KB	2022-10-08 17:28:21
[F]once.js Edit	2.59 KB	2022-10-08 17:28:21
[F]prepend.js Edit	833 bytes	2022-10-08 17:28:22
[F]remove-all-listeners.js Edit	4.62 KB	2022-10-08 17:28:22
[F]remove-listeners.js Edit	6.44 KB	2022-10-08 17:28:22
[F]set-max-listeners-side-effects.js Edit	1.41 KB	2022-10-08 17:28:22
[F]special-event-names.js Edit	1.39 KB	2022-10-08 17:28:22
[F]subclass.js Edit	1.96 KB	2022-10-08 17:28:23
[F]symbols.js Edit	627 bytes	2022-10-08 17:28:23

Editing: 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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