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14 KiB
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1 line
14 KiB
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{"ast":null,"code":"import _objectSpread from \"@babel/runtime/helpers/esm/objectSpread2\";\nimport _typeof from \"@babel/runtime/helpers/esm/typeof\";\nimport findDOMNode from \"rc-util/es/Dom/findDOMNode\";\nimport { supportRef, useComposeRef } from \"rc-util/es/ref\";\nimport * as React from 'react';\nimport { CollectionContext } from \"../Collection\";\nimport { observe, unobserve } from \"../utils/observerUtil\";\nimport DomWrapper from \"./DomWrapper\";\nfunction SingleObserver(props, ref) {\n var children = props.children,\n disabled = props.disabled;\n var elementRef = React.useRef(null);\n var wrapperRef = React.useRef(null);\n var onCollectionResize = React.useContext(CollectionContext);\n\n // =========================== Children ===========================\n var isRenderProps = typeof children === 'function';\n var mergedChildren = isRenderProps ? children(elementRef) : children;\n\n // ============================= Size =============================\n var sizeRef = React.useRef({\n width: -1,\n height: -1,\n offsetWidth: -1,\n offsetHeight: -1\n });\n\n // ============================= Ref ==============================\n var canRef = !isRenderProps && /*#__PURE__*/React.isValidElement(mergedChildren) && supportRef(mergedChildren);\n var originRef = canRef ? mergedChildren.ref : null;\n var mergedRef = useComposeRef(originRef, elementRef);\n var getDom = function getDom() {\n var _elementRef$current;\n return findDOMNode(elementRef.current) || (\n // Support `nativeElement` format\n elementRef.current && _typeof(elementRef.current) === 'object' ? findDOMNode((_elementRef$current = elementRef.current) === null || _elementRef$current === void 0 ? void 0 : _elementRef$current.nativeElement) : null) || findDOMNode(wrapperRef.current);\n };\n React.useImperativeHandle(ref, function () {\n return getDom();\n });\n\n // =========================== Observe ============================\n var propsRef = React.useRef(props);\n propsRef.current = props;\n\n // Handler\n var onInternalResize = React.useCallback(function (target) {\n var _propsRef$current = propsRef.current,\n onResize = _propsRef$current.onResize,\n data = _propsRef$current.data;\n var _target$getBoundingCl = target.getBoundingClientRect(),\n width = _target$getBoundingCl.width,\n height = _target$getBoundingCl.height;\n var offsetWidth = target.offsetWidth,\n offsetHeight = target.offsetHeight;\n\n /**\n * Resize observer trigger when content size changed.\n * In most case we just care about element size,\n * let's use `boundary` instead of `contentRect` here to avoid shaking.\n */\n var fixedWidth = Math.floor(width);\n var fixedHeight = Math.floor(height);\n if (sizeRef.current.width !== fixedWidth || sizeRef.current.height !== fixedHeight || sizeRef.current.offsetWidth !== offsetWidth || sizeRef.current.offsetHeight !== offsetHeight) {\n var size = {\n width: fixedWidth,\n height: fixedHeight,\n offsetWidth: offsetWidth,\n offsetHeight: offsetHeight\n };\n sizeRef.current = size;\n\n // IE is strange, right?\n var mergedOffsetWidth = offsetWidth === Math.round(width) ? width : offsetWidth;\n var mergedOffsetHeight = offsetHeight === Math.round(height) ? height : offsetHeight;\n var sizeInfo = _objectSpread(_objectSpread({}, size), {}, {\n offsetWidth: mergedOffsetWidth,\n offsetHeight: mergedOffsetHeight\n });\n\n // Let collection know what happened\n onCollectionResize === null || onCollectionResize === void 0 || onCollectionResize(sizeInfo, target, data);\n if (onResize) {\n // defer the callback but not defer to next frame\n Promise.resolve().then(function () {\n onResize(sizeInfo, target);\n });\n }\n }\n }, []);\n\n // Dynamic observe\n React.useEffect(function () {\n var currentElement = getDom();\n if (currentElement && !disabled) {\n observe(currentElement, onInternalResize);\n }\n return function () {\n return unobserve(currentElement, onInternalResize);\n };\n }, [elementRef.current, disabled]);\n\n // ============================ Render ============================\n return /*#__PURE__*/React.createElement(DomWrapper, {\n ref: wrapperRef\n }, canRef ? 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children(elementRef) : children;\n\n // ============================= Size =============================\n var sizeRef = React.useRef({\n width: -1,\n height: -1,\n offsetWidth: -1,\n offsetHeight: -1\n });\n\n // ============================= Ref ==============================\n var canRef = !isRenderProps && /*#__PURE__*/React.isValidElement(mergedChildren) && supportRef(mergedChildren);\n var originRef = canRef ? mergedChildren.ref : null;\n var mergedRef = useComposeRef(originRef, elementRef);\n var getDom = function getDom() {\n var _elementRef$current;\n return findDOMNode(elementRef.current) || (\n // Support `nativeElement` format\n elementRef.current && _typeof(elementRef.current) === 'object' ? findDOMNode((_elementRef$current = elementRef.current) === null || _elementRef$current === void 0 ? void 0 : _elementRef$current.nativeElement) : null) || findDOMNode(wrapperRef.current);\n };\n React.useImperativeHandle(ref, function () {\n return getDom();\n });\n\n // =========================== Observe ============================\n var propsRef = React.useRef(props);\n propsRef.current = props;\n\n // Handler\n var onInternalResize = React.useCallback(function (target) {\n var _propsRef$current = propsRef.current,\n onResize = _propsRef$current.onResize,\n data = _propsRef$current.data;\n var _target$getBoundingCl = target.getBoundingClientRect(),\n width = _target$getBoundingCl.width,\n height = _target$getBoundingCl.height;\n var offsetWidth = target.offsetWidth,\n offsetHeight = target.offsetHeight;\n\n /**\n * Resize observer trigger when content size changed.\n * In most case we just care about element size,\n * let's use `boundary` instead of `contentRect` here to avoid shaking.\n */\n var fixedWidth = Math.floor(width);\n var fixedHeight = Math.floor(height);\n if (sizeRef.current.width !== fixedWidth || sizeRef.current.height !== fixedHeight || sizeRef.current.offsetWidth !== offsetWidth || sizeRef.current.offsetHeight !== offsetHeight) {\n var size = {\n width: fixedWidth,\n height: fixedHeight,\n offsetWidth: offsetWidth,\n offsetHeight: offsetHeight\n };\n sizeRef.current = size;\n\n // IE is strange, right?\n var mergedOffsetWidth = offsetWidth === Math.round(width) ? 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