{"version":3,"file":"util.cjs","sources":["../../../../../../packages/components/typography/src/util.tsx"],"sourcesContent":["import type { CSSProperties, VNodeTypes } from 'vue';\nimport { styleToString } from '@antdv/utils';\nimport { createApp } from 'vue';\n\ninterface MeasureResult {\n finished: boolean\n vNode: VNodeTypes\n}\ninterface Option {\n rows: number\n suffix?: string\n}\n\n// We only handle element & text node.\nconst TEXT_NODE = 3;\nconst COMMENT_NODE = 8;\n\nlet ellipsisContainer: HTMLParagraphElement;\n\nconst wrapperStyle: CSSProperties = {\n padding: 0,\n margin: 0,\n display: 'inline',\n lineHeight: 'inherit',\n};\n\nfunction resetDomStyles(target: HTMLElement, origin: HTMLElement) {\n target.setAttribute('aria-hidden', 'true');\n const originStyle = window.getComputedStyle(origin);\n const originCSS = styleToString(originStyle);\n // Set shadow\n target.setAttribute('style', originCSS);\n target.style.position = 'fixed';\n target.style.left = '0';\n target.style.height = 'auto';\n target.style.minHeight = 'auto';\n target.style.maxHeight = 'auto';\n target.style.paddingTop = '0';\n target.style.paddingBottom = '0';\n target.style.borderTopWidth = '0';\n target.style.borderBottomWidth = '0';\n target.style.top = '-999999px';\n target.style.zIndex = '-1000';\n // clean up css overflow\n target.style.textOverflow = 'clip';\n target.style.whiteSpace = 'normal';\n (target.style as any).webkitLineClamp = 'none';\n}\n\nfunction getRealLineHeight(originElement: HTMLElement) {\n const heightContainer = document.createElement('div');\n resetDomStyles(heightContainer, originElement);\n heightContainer.appendChild(document.createTextNode('text'));\n document.body.appendChild(heightContainer);\n // The element real height is always less than multiple of line-height\n // Use getBoundingClientRect to get actual single row height of the element\n const realHeight = heightContainer.getBoundingClientRect().height;\n document.body.removeChild(heightContainer);\n return realHeight;\n}\n\nexport default (\n originElement: HTMLElement,\n option: Option,\n content: string,\n fixedContent: VNodeTypes[],\n ellipsisStr: string,\n): {\n content: VNodeTypes\n text: string\n ellipsis: boolean\n} => {\n if (!ellipsisContainer) {\n ellipsisContainer = document.createElement('div');\n ellipsisContainer.setAttribute('aria-hidden', 'true');\n document.body.appendChild(ellipsisContainer);\n }\n\n const { rows, suffix = '' } = option;\n const lineHeight = getRealLineHeight(originElement);\n const maxHeight = Math.round(lineHeight * rows * 100) / 100;\n\n resetDomStyles(ellipsisContainer, originElement);\n\n // Render in the fake container\n const vm = createApp({\n render() {\n return (\n
\n \n {content}\n {suffix}\n \n {fixedContent}\n
\n );\n },\n });\n\n vm.mount(ellipsisContainer);\n\n // Check if ellipsis in measure div is height enough for content\n function inRange() {\n const currentHeight = Math.round(ellipsisContainer.getBoundingClientRect().height * 100) / 100;\n return currentHeight - 0.1 <= maxHeight; // -.1 for firefox\n }\n\n // Skip ellipsis if already match\n if (inRange()) {\n vm.unmount();\n return { content, text: ellipsisContainer.innerHTML, ellipsis: false };\n }\n const childNodes = Array.prototype.slice\n .apply(ellipsisContainer.childNodes[0].childNodes[0].cloneNode(true).childNodes)\n .filter(({ nodeType, data }) => nodeType !== COMMENT_NODE && data !== '');\n const fixedNodes = Array.prototype.slice.apply(\n ellipsisContainer.childNodes[0].childNodes[1].cloneNode(true).childNodes,\n );\n\n vm.unmount();\n\n // ========================= Find match ellipsis content =========================\n const ellipsisChildren = [];\n ellipsisContainer.innerHTML = '';\n\n // Create origin content holder\n const ellipsisContentHolder = document.createElement('span');\n ellipsisContainer.appendChild(ellipsisContentHolder);\n const ellipsisTextNode = document.createTextNode(ellipsisStr + suffix);\n ellipsisContentHolder.appendChild(ellipsisTextNode);\n\n fixedNodes.forEach((childNode) => {\n ellipsisContainer.appendChild(childNode);\n });\n\n // Append before fixed nodes\n function appendChildNode(node: ChildNode) {\n ellipsisContentHolder.insertBefore(node, ellipsisTextNode);\n }\n\n // Get maximum text\n function measureText(\n textNode: Text,\n fullText: string,\n startLoc = 0,\n endLoc = fullText.length,\n lastSuccessLoc = 0,\n ): MeasureResult {\n const midLoc = Math.floor((startLoc + endLoc) / 2);\n const currentText = fullText.slice(0, midLoc);\n textNode.textContent = currentText;\n\n if (startLoc >= endLoc - 1) {\n // Loop when step is small\n for (let step = endLoc; step >= startLoc; step -= 1) {\n const currentStepText = fullText.slice(0, step);\n textNode.textContent = currentStepText;\n\n if (inRange() || !currentStepText) {\n return step === fullText.length\n ? {\n finished: false,\n vNode: fullText,\n }\n : {\n finished: true,\n vNode: currentStepText,\n };\n }\n }\n }\n\n if (inRange())\n return measureText(textNode, fullText, midLoc, endLoc, midLoc);\n\n return measureText(textNode, fullText, startLoc, midLoc, lastSuccessLoc);\n }\n\n function measureNode(childNode: ChildNode): MeasureResult {\n const type = childNode.nodeType;\n // console.log('type', type);\n // if (type === ELEMENT_NODE) {\n // // We don't split element, it will keep if whole element can be displayed.\n // appendChildNode(childNode);\n // if (inRange()) {\n // return {\n // finished: false,\n // vNode: contentList[index],\n // };\n // }\n\n // // Clean up if can not pull in\n // ellipsisContentHolder.removeChild(childNode);\n // return {\n // finished: true,\n // vNode: null,\n // };\n // }\n if (type === TEXT_NODE) {\n const fullText = childNode.textContent || '';\n const 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