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21 lines
607 B
TypeScript
21 lines
607 B
TypeScript
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export const composeEventHandlers = <E>(
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theirsHandler?: (event: E) => boolean | void,
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oursHandler?: (event: E) => void,
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{ checkForDefaultPrevented = true } = {}
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) => {
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const handleEvent = (event: E) => {
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const shouldPrevent = theirsHandler?.(event)
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if (checkForDefaultPrevented === false || !shouldPrevent) {
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return oursHandler?.(event)
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}
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}
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return handleEvent
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}
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type WhenMouseHandler = (e: PointerEvent) => any
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export const whenMouse = (handler: WhenMouseHandler): WhenMouseHandler => {
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return (e: PointerEvent) =>
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e.pointerType === 'mouse' ? handler(e) : undefined
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}
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