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attempt to use Template Literal Types #232

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attempt to use Template Literal Types #232

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7 changes: 3 additions & 4 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import {
TapCallback,
UP,
Vector2,
OnSwipedDirs,
} from "./types";

export {
Expand Down Expand Up @@ -183,10 +184,8 @@ function getHandlers(
eventData = { ...state.eventData, event };
props.onSwiped && props.onSwiped(eventData);

const onSwipedDir = `onSwiped${eventData.dir}`;
if (onSwipedDir in props) {
((props as any)[onSwipedDir] as SwipeCallback)(eventData);
}
const onSwipedDir = `onSwiped${eventData.dir}` as OnSwipedDirs;
props[onSwipedDir]?.(eventData);
} else {
props.onTap && props.onTap({ event });
}
Expand Down
11 changes: 6 additions & 5 deletions src/types.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ export type SwipeDirections =
| typeof RIGHT
| typeof UP
| typeof DOWN;
export type OnSwipedDirs = `onSwiped${SwipeDirections}`;
export interface SwipeEventData {
absX: number;
absY: number;
Expand All @@ -27,13 +28,13 @@ export interface SwipeEventData {
export type SwipeCallback = (eventData: SwipeEventData) => void;
export type TapCallback = ({ event }: { event: HandledEvents }) => void;

export type SwipeableCallbacks = {
type SwipedCallbacks = {
[K in OnSwipedDirs]?: SwipeCallback;
}

export type SwipeableCallbacks = SwipedCallbacks & {
// Event handler/callbacks
onSwiped: SwipeCallback;
onSwipedDown: SwipeCallback;
onSwipedLeft: SwipeCallback;
onSwipedRight: SwipeCallback;
onSwipedUp: SwipeCallback;
onSwiping: SwipeCallback;
onTap: TapCallback;
};
Expand Down