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styleChecker.ts
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styleChecker.ts
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import canUseDom from 'rc-util/lib/Dom/canUseDom';
import { isStyleSupport } from 'rc-util/lib/Dom/styleChecker';
export const canUseDocElement = () => canUseDom() && window.document.documentElement;
export { isStyleSupport };
let flexGapSupported: boolean | undefined;
export const detectFlexGapSupported = () => {
if (!canUseDocElement()) {
return false;
}
if (flexGapSupported !== undefined) {
return flexGapSupported;
}
// create flex container with row-gap set
const flex = document.createElement('div');
flex.style.display = 'flex';
flex.style.flexDirection = 'column';
flex.style.rowGap = '1px';
// create two, elements inside it
flex.appendChild(document.createElement('div'));
flex.appendChild(document.createElement('div'));
// append to the DOM (needed to obtain scrollHeight)
document.body.appendChild(flex);
flexGapSupported = flex.scrollHeight === 1; // flex container should be 1px high from the row-gap
document.body.removeChild(flex);
return flexGapSupported;
};