Software: Apache. PHP/7.3.33 

uname -a: Linux acloudg.aryanict.com 4.18.0-513.9.1.lve.el8.x86_64 #1 SMP Mon Dec 4 15:01:22 UTC
2023 x86_64 

uid=1095(katebhospital) gid=1098(katebhospital) groups=1098(katebhospital) 

Safe-mode: OFF (not secure)

/opt/alt/alt-nodejs19/root/usr/lib/node_modules/npm/node_modules.bundled/events/tests/   drwxr-xr-x
Free 293.81 GB of 429.69 GB (68.38%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Feedback    Self remove    Logout    

Viewing file:     prepend.js (833 B)      -rw-r--r--

'use strict';

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

var myEE = new EventEmitter();
var m = 0;
// This one comes last.
myEE.on('foo', common.mustCall(function () {
  assert.strictEqual(m, 2);
}));

// This one comes second.
myEE.prependListener('foo', common.mustCall(function () {
  assert.strictEqual(m++, 1);
}));

// This one comes first.
myEE.prependOnceListener('foo',
                         common.mustCall(function () {
                           assert.strictEqual(m++, 0);
                         }));

myEE.emit('foo');

// Verify that the listener must be a function
assert.throws(function () {
  var ee = new EventEmitter();
  ee.prependOnceListener('foo', null);
}, 'TypeError: The "listener" argument must be of type Function. Received type object');