14 lines
444 B
JavaScript
14 lines
444 B
JavaScript
module.exports = callback => {
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let type = 'mouse',
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lastTime = 0;
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const mousemoveHandler = () => {
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const now = performance.now();
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if (now - lastTime < 20)
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(type = 'mouse'), callback(type), document.removeEventListener('mousemove', mousemoveHandler);
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lastTime = now;
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};
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document.addEventListener('touchstart', () => {
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if (type === 'touch') return;
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(type = 'touch'), callback(type), document.addEventListener('mousemove', mousemoveHandler);
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});
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}; |