49 lines
982 B
TypeScript
49 lines
982 B
TypeScript
import { EventDispatcher } from '../../../events'
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export interface DataSourceState {
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connecting: boolean
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connected: boolean
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error?: string
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}
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export class DataSourceStateMachine {
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public onUpdate = new EventDispatcher<DataSourceState, DataSourceStateMachine>(this)
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private state: DataSourceState = {
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error: undefined,
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connected: false,
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connecting: false,
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}
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public setConnected(connected: boolean) {
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this.state = {
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connected,
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error: undefined,
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connecting: false,
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}
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this.onUpdate.dispatch(this.state)
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}
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public setError(error: Error) {
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this.state = {
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...this.state,
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error: error.message,
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// connected: false,
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// connecting: false,
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}
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this.onUpdate.dispatch(this.state)
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}
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public setConnecting() {
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this.state = {
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...this.state,
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connected: false,
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connecting: true,
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}
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this.onUpdate.dispatch(this.state)
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}
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public toJSON() {
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return this.state
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}
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}
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