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							102 lines
						
					
					
						
							3.3 KiB
						
					
					
				
			
		
		
	
	
							102 lines
						
					
					
						
							3.3 KiB
						
					
					
				| import * as React from 'react';
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| import * as ReactDOM from 'react-dom';
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| import { createPopper as defaultCreatePopper } from '@popperjs/core';
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| import isEqual from 'react-fast-compare';
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| import { fromEntries, useIsomorphicLayoutEffect } from './utils';
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| var EMPTY_MODIFIERS = [];
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| export var usePopper = function usePopper(referenceElement, popperElement, options) {
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|   if (options === void 0) {
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|     options = {};
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|   }
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| 
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|   var prevOptions = React.useRef(null);
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|   var optionsWithDefaults = {
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|     onFirstUpdate: options.onFirstUpdate,
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|     placement: options.placement || 'bottom',
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|     strategy: options.strategy || 'absolute',
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|     modifiers: options.modifiers || EMPTY_MODIFIERS
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|   };
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| 
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|   var _React$useState = React.useState({
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|     styles: {
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|       popper: {
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|         position: optionsWithDefaults.strategy,
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|         left: '0',
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|         top: '0'
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|       },
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|       arrow: {
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|         position: 'absolute'
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|       }
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|     },
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|     attributes: {}
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|   }),
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|       state = _React$useState[0],
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|       setState = _React$useState[1];
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| 
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|   var updateStateModifier = React.useMemo(function () {
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|     return {
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|       name: 'updateState',
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|       enabled: true,
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|       phase: 'write',
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|       fn: function fn(_ref) {
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|         var state = _ref.state;
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|         var elements = Object.keys(state.elements);
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|         ReactDOM.flushSync(function () {
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|           setState({
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|             styles: fromEntries(elements.map(function (element) {
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|               return [element, state.styles[element] || {}];
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|             })),
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|             attributes: fromEntries(elements.map(function (element) {
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|               return [element, state.attributes[element]];
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|             }))
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|           });
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|         });
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|       },
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|       requires: ['computeStyles']
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|     };
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|   }, []);
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|   var popperOptions = React.useMemo(function () {
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|     var newOptions = {
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|       onFirstUpdate: optionsWithDefaults.onFirstUpdate,
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|       placement: optionsWithDefaults.placement,
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|       strategy: optionsWithDefaults.strategy,
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|       modifiers: [].concat(optionsWithDefaults.modifiers, [updateStateModifier, {
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|         name: 'applyStyles',
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|         enabled: false
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|       }])
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|     };
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| 
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|     if (isEqual(prevOptions.current, newOptions)) {
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|       return prevOptions.current || newOptions;
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|     } else {
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|       prevOptions.current = newOptions;
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|       return newOptions;
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|     }
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|   }, [optionsWithDefaults.onFirstUpdate, optionsWithDefaults.placement, optionsWithDefaults.strategy, optionsWithDefaults.modifiers, updateStateModifier]);
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|   var popperInstanceRef = React.useRef();
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|   useIsomorphicLayoutEffect(function () {
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|     if (popperInstanceRef.current) {
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|       popperInstanceRef.current.setOptions(popperOptions);
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|     }
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|   }, [popperOptions]);
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|   useIsomorphicLayoutEffect(function () {
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|     if (referenceElement == null || popperElement == null) {
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|       return;
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|     }
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| 
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|     var createPopper = options.createPopper || defaultCreatePopper;
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|     var popperInstance = createPopper(referenceElement, popperElement, popperOptions);
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|     popperInstanceRef.current = popperInstance;
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|     return function () {
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|       popperInstance.destroy();
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|       popperInstanceRef.current = null;
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|     };
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|   }, [referenceElement, popperElement, options.createPopper]);
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|   return {
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|     state: popperInstanceRef.current ? popperInstanceRef.current.state : null,
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|     styles: state.styles,
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|     attributes: state.attributes,
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|     update: popperInstanceRef.current ? popperInstanceRef.current.update : null,
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|     forceUpdate: popperInstanceRef.current ? popperInstanceRef.current.forceUpdate : null
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|   };
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| }; |