onfire.js is a simple events dispatcher library (just
0.9kb). simple and usefull.
Can be used in:
- simple events dispatcher.
Cross-component communicationof react / vue.js / angular.- evnets subscribe and publish.
1. on(event_name, callback, context)
Binding / subscribe the event_name with callback. when has event named event_name fired, callback function will process.
The function will return the eventObj, which can be used to cancel bind with API un(eventObj).
2. one(event_name, callback, context)
Binding / subscribe the event_name with callback only once. And it is will timeout after Trigger.
Only can be Trigger once, then it will be deleted automation.
3. fire(event_name, data1, data2, data3, ...)
Async Trigger / subscribe the event named event_name, and with datas as the input of callback function.
4. fireSync(event_name, data1, data2, ...)
Sync Trigger / subscribe the event named event_name, and with datas as the input of callback function.
5. un(eventObj / event_name / function)
Cancel binding event. You can unbinding a event Object, or just unbinding a event_name, or unbind the callback function.
Get the exist events Array.
6. clear()
Clear all the event.
1. import library
Install javascript library.
npm install onfire.js
You can import it with <script> tag, or use keyword require or import.
import onfire from 'onfire.js';
// or
var onfire = require("onfire.js");2. simple usage
Use on to subscribe event, use un to cancel, and use fire to publish / trigger the event.
import onfire from 'onfire.js';
function test_callback(data1, data2) {
console.log('this is a event 1');
}
// bind event and callback
var eventObj = onfire.on('test_event', test_callback);
var eventObj2 = onfire.on('test_event', function(data1, data2) {
console.log('this is a event 2');
});
// fire event
onfire.fire('test_event', 'test_data1', 'test_data2');
// cancel bind event
onfire.un(eventObj); // only cancel the eventObj.
onfire.un('test_event'); // cancel all events named `test_event`.
onfire.un(test_callback); // cancel all the `test_callback` functions.MIT