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1import { TokenFlow } from "../flow";
2
3export class VerticalFlow extends TokenFlow {
4 verticalCandidates(
5 direction: "up" | "down",
6 fromIndex: number,
7 length: number
8 ): number[] {
9 if (direction === "up") {
10 return fromIndex > 0 ? [fromIndex - 1] : [];
11 } else {
12 return fromIndex < length - 1 ? [fromIndex + 1] : [];
13 }
14 }
15}