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							38 lines
						
					
					
						
							1.1 KiB
						
					
					
				
			
		
		
	
	
							38 lines
						
					
					
						
							1.1 KiB
						
					
					
				// @flow strict
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import * as React from 'react';
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import warning from 'warning';
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import { ManagerReferenceNodeSetterContext } from './Manager';
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import { safeInvoke, unwrapArray, setRef } from './utils';
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import { type Ref } from './RefTypes';
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export type ReferenceChildrenProps = $ReadOnly<{ ref: Ref }>;
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export type ReferenceProps = $ReadOnly<{|
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  children: (ReferenceChildrenProps) => React.Node,
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  innerRef?: Ref,
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|}>;
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export function Reference({ children, innerRef }: ReferenceProps): React.Node {
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  const setReferenceNode = React.useContext(ManagerReferenceNodeSetterContext);
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  const refHandler = React.useCallback(
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    (node: ?HTMLElement) => {
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      setRef(innerRef, node);
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      safeInvoke(setReferenceNode, node);
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    },
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    [innerRef, setReferenceNode]
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  );
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  // ran on unmount
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  // eslint-disable-next-line react-hooks/exhaustive-deps
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  React.useEffect(() => () => setRef(innerRef, null), []);
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  React.useEffect(() => {
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    warning(
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      Boolean(setReferenceNode),
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      '`Reference` should not be used outside of a `Manager` component.'
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    );
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  }, [setReferenceNode]);
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  return unwrapArray(children)({ ref: refHandler });
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}
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