31 lines
618 B
TypeScript
31 lines
618 B
TypeScript
import { removeFromArray } from 'snjs';
|
|
|
|
type StatusCallback = (string: string) => void;
|
|
|
|
export class StatusManager {
|
|
private _message = '';
|
|
private observers: StatusCallback[] = [];
|
|
|
|
get message(): string {
|
|
return this._message;
|
|
}
|
|
|
|
setMessage(message: string) {
|
|
this._message = message;
|
|
this.notifyObservers();
|
|
}
|
|
|
|
onStatusChange(callback: StatusCallback) {
|
|
this.observers.push(callback);
|
|
return () => {
|
|
removeFromArray(this.observers, callback);
|
|
};
|
|
}
|
|
|
|
private notifyObservers() {
|
|
for (const observer of this.observers) {
|
|
observer(this._message);
|
|
}
|
|
}
|
|
}
|