mirror of https://github.com/hashicorp/consul
35 lines
914 B
JavaScript
35 lines
914 B
JavaScript
/**
|
|
* Wraps an EventSource so that you can `close` and `reopen`
|
|
*
|
|
* @param {Class} eventSource - EventSource class to extend from
|
|
*/
|
|
export default function (eventSource = EventSource) {
|
|
const OpenableEventSource = function (source, configuration = {}) {
|
|
eventSource.apply(this, arguments);
|
|
this.configuration = configuration;
|
|
};
|
|
OpenableEventSource.prototype = Object.assign(
|
|
Object.create(eventSource.prototype, {
|
|
constructor: {
|
|
value: OpenableEventSource,
|
|
configurable: true,
|
|
writable: true,
|
|
},
|
|
}),
|
|
{
|
|
open: function () {
|
|
switch (this.readyState) {
|
|
case 3: // CLOSING
|
|
this.readyState = 1;
|
|
break;
|
|
case 2: // CLOSED
|
|
eventSource.apply(this, [this.source, this.configuration]);
|
|
break;
|
|
}
|
|
return this;
|
|
},
|
|
}
|
|
);
|
|
return OpenableEventSource;
|
|
}
|