# VariwideChartStreamSource

VariwideChartStreamSource 타입 선언과 관련 타입입니다. 선택 필드는 ?로 표시됩니다.

Canonical: https://chart.syidax.com/ko/docs/types/VariwideChartStreamSource/

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## 타입 선언

```typescript
export interface VariwideChartStreamSource {
  push(datum: VariwideColumnDatum): void;
  pushBatch(data: ReadonlyArray<VariwideColumnDatum>): void;
  shift(count: number): void;
  replace(data: ReadonlyArray<VariwideColumnDatum>): void;
  snapshot(window?: number): VariwideColumnDatum[];
  latest(): VariwideColumnDatum | undefined;
  subscribe(listener: (event: VariwideChartStreamEvent) => void): () => void;
  readonly length: number;
}
```

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## 관련 타입

- [VariwideColumnDatum](https://chart.syidax.com/ko/docs/types/VariwideColumnDatum.md)
- [VariwideChartStreamEvent](https://chart.syidax.com/ko/docs/types/VariwideChartStreamEvent.md)