export const monitorZoom = () => {
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let ratio = 0,
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screen = window.screen,
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ua = navigator.userAgent.toLowerCase();
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if (window.devicePixelRatio !== undefined) {
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ratio = window.devicePixelRatio;
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} else if (~ua.indexOf("msie")) {
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if (screen.deviceXDPI && screen.logicalXDPI) {
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ratio = screen.deviceXDPI / screen.logicalXDPI;
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}
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} else if (
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window.outerWidth !== undefined &&
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window.innerWidth !== undefined
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) {
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ratio = window.outerWidth / window.innerWidth;
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}
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if (ratio) {
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ratio = Math.round(ratio * 100);
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}
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return ratio;
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};
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