20 lines
568 B
Plaintext
20 lines
568 B
Plaintext
var passiveSupported = false;
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if (typeof window !== 'undefined') {
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try {
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var options = Object.defineProperty({}, 'passive', {
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get: function () {
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passiveSupported = true;
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return true;
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},
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});
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// @ts-ignore
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window.addEventListener('test', options, options);
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// @ts-ignore
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window.removeEventListener('test', options, options);
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}
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catch (err) {
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passiveSupported = false;
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}
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}
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export var nonPassive = passiveSupported ? { passive: false } : false;
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