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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| import { RefObject, useEffect, useState } from 'react' | ||
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| interface PositionDelta { | ||
| dx: number | ||
| dy: number | ||
| } | ||
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| interface Position { | ||
| x: number | ||
| y: number | ||
| } | ||
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| interface DraggableState extends PositionDelta { | ||
| dragging: boolean | ||
| } | ||
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| interface DraggableOptions { | ||
| onStart?: (state: Position) => void | ||
| onDrag?: (state: PositionDelta) => void | ||
| onStop?: (state: PositionDelta) => void | ||
| } | ||
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| const useDraggable = (ref: RefObject<HTMLElement>, options: DraggableOptions = {}): DraggableState => { | ||
| const [{ dx, dy }, setOffset] = useState({ dx: 0, dy: 0 }) | ||
| const [dragging, setDragging] = useState(false) | ||
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| const handleMouseDown = (e: MouseEvent) => { | ||
| const startPos = { | ||
| x: e.clientX - dx, | ||
| y: e.clientY - dy, | ||
| } | ||
| options.onStart?.(startPos) | ||
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| const handleMouseMove = (e: MouseEvent) => { | ||
| const ele = ref.current | ||
| if (!ele) { | ||
| return | ||
| } | ||
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| const dx = e.clientX - startPos.x | ||
| const dy = e.clientY - startPos.y | ||
| setDragging(true) | ||
| setOffset({ dx, dy }) | ||
| options.onDrag?.({ dx, dy }) | ||
| } | ||
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| const handleMouseUp = (e: MouseEvent) => { | ||
| document.removeEventListener('mousemove', handleMouseMove) | ||
| document.removeEventListener('mouseup', handleMouseUp) | ||
| setDragging(false) | ||
| setOffset({ dx: 0, dy: 0 }) | ||
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| const dx = e.clientX - startPos.x | ||
| const dy = e.clientY - startPos.y | ||
| options.onStop?.({ dx, dy }) | ||
| } | ||
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| document.addEventListener('mousemove', handleMouseMove) | ||
| document.addEventListener('mouseup', handleMouseUp) | ||
| } | ||
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| const handleTouchStart = (e: TouchEvent) => { | ||
| const touch = e.touches[0] | ||
| const startPos = { | ||
| x: touch.clientX - dx, | ||
| y: touch.clientY - dy, | ||
| } | ||
| options.onStart?.(startPos) | ||
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| const handleTouchMove = (e: TouchEvent) => { | ||
| const ele = ref.current | ||
| if (!ele) { | ||
| return | ||
| } | ||
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| const touch = e.touches[0] | ||
| const dx = touch.clientX - startPos.x | ||
| const dy = touch.clientY - startPos.y | ||
| setDragging(true) | ||
| setOffset({ dx, dy }) | ||
| options.onDrag?.({ dx, dy }) | ||
| } | ||
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| const handleTouchEnd = (e: TouchEvent) => { | ||
| document.removeEventListener('touchmove', handleTouchMove) | ||
| document.removeEventListener('touchend', handleTouchEnd) | ||
| setDragging(false) | ||
| setOffset({ dx: 0, dy: 0 }) | ||
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| const touch = e.changedTouches[0] | ||
| const dx = touch.clientX - startPos.x | ||
| const dy = touch.clientY - startPos.y | ||
| options.onStop?.({ dx, dy }) | ||
| } | ||
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| document.addEventListener('touchmove', handleTouchMove) | ||
| document.addEventListener('touchend', handleTouchEnd) | ||
| } | ||
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| useEffect(() => { | ||
| ref.current?.addEventListener('mousedown', handleMouseDown) | ||
| ref.current?.addEventListener('touchstart', handleTouchStart) | ||
| return () => { | ||
| ref.current?.removeEventListener('mousedown', handleMouseDown) | ||
| ref.current?.removeEventListener('touchstart', handleTouchStart) | ||
| } | ||
| }, [ref.current]) | ||
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| return { dx, dy, dragging } | ||
| } | ||
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| export { | ||
| useDraggable as default, | ||
| type DraggableState, | ||
| type Position, | ||
| type PositionDelta | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,8 @@ | ||
| export { | ||
| default as useDraggable, | ||
| type DraggableState, | ||
| type Position, | ||
| type PositionDelta | ||
| } from './drag' | ||
| export { default as useWordleStore } from './store' | ||
| export { useSwipe } from './swipe' | ||
| export { default as useSwipe } from './swipe' |
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