refactor: translate position
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22870aff1b
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@ -40,14 +40,31 @@ const Stage = forwardRef(({
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event,
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// Normalize touch events.
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(event) => {
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let {
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clientX,
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clientY,
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deltaX,
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deltaY,
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} = event;
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/* eslint-disable no-param-reassign */
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if (-1 !== ['touchstart', 'touchmove'].indexOf(event.type)) {
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event.clientX = event.touches[0].clientX;
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event.deltaX = event.touches[0].deltaX;
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event.clientY = event.touches[0].clientY;
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event.deltaY = event.touches[0].deltaY;
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clientX = event.touches[0].clientX;
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deltaX = event.touches[0].deltaX;
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clientY = event.touches[0].clientY;
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deltaY = event.touches[0].deltaY;
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}
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/* eslint-enable no-param-reassign */
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const {left, top} = event.target.getBoundingClientRect();
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Object.defineProperty(
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event,
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'delta',
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{get: () => [deltaX, deltaY]},
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);
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Object.defineProperty(
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event,
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'position',
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{get: () => [(clientX - left) / scale, (clientY - top) / scale]},
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);
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return event;
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},
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)
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