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@caracal7
Created January 26, 2018 21:05
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This is a basic, cross-platform, valid Node.js EventEmitter.
function(
o, // object to add the event emitter to
i, a // placeholder's
) {
o.A = e = {}; // events holder
o.B = function ( // set a new event listener
n, // event name
f // listener
) {
(e[n] = e[n] || []) // if event dousnt exist, create it
.push(f) // adds listener
};
o.C = function ( // event emit
n // name of event to run
) {
for (
i = 0; // Start at first event
a = (e[n] || [])[i]; // every loop, set listener to run
i++ // Increment index by 1
) a.apply(this,arguments);
}
}
//Just a more condensed, easy-to-read version
function ( o, i, a ) {
o.A = e = {};
o.B = function ( n, f ) {
(e[n] = e[n] || []).push(f)
};
o.C = function ( n ) {
for (i = 0; a = (e[n] || [])[i]; i++) a.apply(this,arguments);
}
}
function(o,i,a){o.A=e={};o.B=function(n,f){(e[n]=e[n]||[]).push(f)};o.C=function(n){for(i=0;a=(e[n]||[])[i];i++)a.apply(this,arguments);}}
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2011 Vitron Prince
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
{
"name": "EventEmitter",
"description": "This is a basic, cross-platform, valid Node.js EventEmitter.",
"keywords": [
"EventEmitter",
"events",
"emitter",
"140bytes",
"nodejs"
]
}
<!DOCTYPE html>
<title>EventEmitter example</title>
<!-- Clock: is a button input to enable on/off -->
<input type="button" id="clock" value="00:00:00" />
<!-- Clock stats -->
<div><b>Seconds passed: </b><i id="second">0</i></div>
<div><b>Minutes passed: </b><i id="minute">0</i></div>
<div><b>Hours passed: </b><i id="hour">0</i></div>
<!-- js code -->
<script>
// the event emitter
var EventEmitter = function(o,i,a){o.A=e={};o.B=function(n,f){(e[n]=e[n]||[]).push(f)};o.C=function(n){for(i=0;a=(e[n]||[])[i];i++)a.apply(this,arguments);}},
// returns the current time
fix_digit = function ( i ) { return i < 10 ? '0' + i : i; },
time = function ( ) {
var d = new Date(), f = fix_digit;
return [f(d.getHours()), f(d.getMinutes()), f(d.getSeconds())].join(':');
},
// for the sake of lesser code in the demo
domID = function ( id ) { return document.getElementById(id); },
echo = function ( id, str ) { domID(id).innerHTML = str; },
// the clock demo
clock = {};
EventEmitter(clock);
clock.on = clock.B; // `B` is the default name for EventEmitter.on
clock.emit = clock.C; // `C` is the default name for EventEmitter.emit
clock.timer = null;
clock.passed = -500;
clock.lastSec = 0;
clock.lastMin = 0;
clock.lastHour = 0;
clock.start = function ( ) {
var C = this, now = 0, emit = function ( name ) { clock.emit(name, now, clock.passed); };
function show ( ) {
now = time();
C.passed += 500;
C.lastSec++;
emit('second');
if ( (30000 * C.lastMin) === C.passed ) {
C.lastMin++;
emit('minute');
if ( (1800000 * C.lastHour) === C.passed ) {
C.lastHour++;
emit('hour');
}
}
C.start();
clock.emit('start');
}
this.timer = setTimeout(show,500);
};
clock.stop = function ( ) {
clearTimeout(this.timer);
clock.emit('stop');
};
// start the demo
clock.on('start',function(e,now){
var btn = domID("clock");
btn.onclick = function(){clock.stop();};
btn.title = 'click to stop...';
});
clock.on('stop',function(e,now){
var btn = domID("clock");
btn.onclick = function(){clock.start();};
btn.title = 'click to start...';
});
clock.on('second',function(e,now){
domID("clock").value = now;
echo("second", clock.lastSec);
});
clock.on('minute',function(){
echo("minute", clock.lastMin);
});
clock.on('hour',function(){
echo("hour", clock.lastHour);
});
clock.start();
</script>
// attach this to the global Object, so that any js object can access
Object.prototype.useEmitter = function ( overwrite ) {
if ( !('_events' in this) || overwrite === true ) EventEmitter(this);
};
// another version, independent of the original function
Object.prototype.useEmitter = function ( overwrite, a,e,i ) {
if ( !('_events' in this) || overwrite === true ) {
this._events = e = {};
this.on = function ( n, f ) {
(e[n] = e[n] || []).push(f)
};
this.emit = function ( n ) {
for (i = 0; a = (e[n] || [])[i]; i++) a.apply(this,arguments);
};
}
};
@acidobinario
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fucking awesome license!

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