88 lines
2.9 KiB
JavaScript
88 lines
2.9 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
Object.defineProperty(exports, "useDrawerBody_unstable", {
|
|
enumerable: true,
|
|
get: function() {
|
|
return useDrawerBody_unstable;
|
|
}
|
|
});
|
|
const _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
|
|
const _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
|
|
const _reactutilities = require("@fluentui/react-utilities");
|
|
const _drawerContext = require("../../contexts/drawerContext");
|
|
/**
|
|
* @internal
|
|
*
|
|
* Get the current scroll state of the DrawerBody.
|
|
*
|
|
* @param element - HTMLElement to check scroll state of
|
|
*/ const getScrollState = ({ scrollTop, scrollHeight, clientHeight })=>{
|
|
if (scrollHeight <= clientHeight) {
|
|
return 'none';
|
|
}
|
|
if (scrollTop === 0) {
|
|
return 'top';
|
|
}
|
|
if (scrollTop + clientHeight === scrollHeight) {
|
|
return 'bottom';
|
|
}
|
|
return 'middle';
|
|
};
|
|
const useDrawerBody_unstable = (props, ref)=>{
|
|
const { setScrollState } = (0, _drawerContext.useDrawerContext_unstable)();
|
|
const scrollRef = _react.useRef(null);
|
|
const [setAnimationFrame, cancelAnimationFrame] = (0, _reactutilities.useAnimationFrame)();
|
|
const updateScrollState = _react.useCallback(()=>{
|
|
if (!scrollRef.current) {
|
|
return;
|
|
}
|
|
setScrollState(getScrollState(scrollRef.current));
|
|
}, [
|
|
setScrollState
|
|
]);
|
|
const onScroll = _react.useCallback(()=>{
|
|
cancelAnimationFrame();
|
|
setAnimationFrame(()=>updateScrollState());
|
|
}, [
|
|
cancelAnimationFrame,
|
|
setAnimationFrame,
|
|
updateScrollState
|
|
]);
|
|
(0, _reactutilities.useIsomorphicLayoutEffect)(()=>{
|
|
cancelAnimationFrame();
|
|
setAnimationFrame(()=>updateScrollState());
|
|
/* update scroll state when children changes */ return ()=>cancelAnimationFrame();
|
|
}, [
|
|
props.children,
|
|
cancelAnimationFrame,
|
|
updateScrollState,
|
|
setAnimationFrame
|
|
]);
|
|
(0, _reactutilities.useIsomorphicLayoutEffect)(()=>{
|
|
cancelAnimationFrame();
|
|
setAnimationFrame(()=>updateScrollState());
|
|
return ()=>cancelAnimationFrame();
|
|
}, [
|
|
cancelAnimationFrame,
|
|
updateScrollState,
|
|
setAnimationFrame
|
|
]);
|
|
return {
|
|
components: {
|
|
root: 'div'
|
|
},
|
|
root: _reactutilities.slot.always((0, _reactutilities.getIntrinsicElementProps)('div', {
|
|
// FIXME:
|
|
// `ref` is wrongly assigned to be `HTMLElement` instead of `HTMLDivElement`
|
|
// but since it would be a breaking change to fix it, we are casting ref to it's proper type
|
|
ref: (0, _reactutilities.useMergedRefs)(ref, scrollRef),
|
|
...props,
|
|
onScroll: (0, _reactutilities.mergeCallbacks)(props.onScroll, onScroll)
|
|
}), {
|
|
elementType: 'div'
|
|
})
|
|
};
|
|
};
|