@dnb/eufemia
Version:
DNB Eufemia Design System UI Library
105 lines • 3.29 kB
JavaScript
import React, { useCallback } from 'react';
import clsx from 'clsx';
import Button from "../button/Button.js";
import HeightAnimation from "../height-animation/HeightAnimation.js";
import { applyPageFocus } from "../../shared/helpers.js";
import withComponentMarkers from "../../shared/helpers/withComponentMarkers.js";
import { jsx as _jsx, Fragment as _Fragment, jsxs as _jsxs } from "react/jsx-runtime";
const SkipContent = localProps => {
const {
selector,
text,
children,
className,
focusDelay = 400,
...props
} = localProps;
React.useEffect(() => () => {
clearTimeout(timeout.current);
}, []);
const [visible, setVisible] = React.useState(false);
const [keepReturnActive, setKeepReturnActive] = React.useState(false);
const ref = React.useRef(undefined);
const timeout = React.useRef(undefined);
const classes = clsx('dnb-skip-content', className, visible && 'dnb-skip-content--visible', keepReturnActive && 'dnb-skip-content__return--active');
const returnSelector = selector.replace(/^(\.|#)/, '');
const returnId = `${returnSelector}--alias`;
const handleBlur = useCallback(() => {
setVisible(false);
}, []);
const handleClick = useCallback(() => {
setVisible(false);
const element = document.querySelector(selector);
element?.scrollIntoView?.({
behavior: 'smooth'
});
element?.classList.add('dnb-skip-content__focus');
timeout.current = setTimeout(() => {
applyPageFocus(selector);
document.querySelector(`#${returnSelector}--alias--alias`)?.classList.add('dnb-skip-content__return--active');
}, focusDelay);
}, [selector, focusDelay]);
const setFocus = useCallback(() => {
setVisible(true);
window.requestAnimationFrame(() => {
const element = ref.current?.querySelector('.dnb-button');
element?.focus();
});
if (ref.current?.getAttribute('class').includes('__return--active')) {
setKeepReturnActive(true);
}
}, []);
const handleFocus = useCallback(e => {
if (e.target.tagName === 'SPAN') {
setFocus();
}
}, [setFocus]);
const handleKeyUp = useCallback(e => {
if (e.key === 'Tab') {
setFocus();
}
}, [setFocus]);
return _jsx("span", {
className: classes,
ref: ref,
onFocus: handleFocus,
id: returnId,
children: _jsxs(_Fragment, {
children: [!visible && _jsx("button", {
className: "dnb-sr-only",
onKeyUp: handleKeyUp,
children: text || children
}), _jsx(HeightAnimation, {
open: visible,
"aria-live": "polite",
children: _jsx(Button, {
wrap: true,
variant: "secondary",
onClick: handleClick,
onBlur: handleBlur,
...props,
children: text || children
})
})]
})
});
};
const SkipContentReturn = localProps => {
const {
selector,
className,
...props
} = localProps;
const classes = clsx('dnb-skip-content__return', className);
return _jsx(SkipContent, {
selector: `${selector}--alias`,
className: classes,
...props
});
};
SkipContent.Return = SkipContentReturn;
withComponentMarkers(SkipContent, {
_supportsSpacingProps: true
});
export default SkipContent;
//# sourceMappingURL=SkipContent.js.map