"use strict"; function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } Object.defineProperty(exports, "__esModule", { value: true }); exports["default"] = void 0; var _reactDom = require("react-dom"); var React = _interopRequireWildcard(require("react")); var _toArray = _interopRequireDefault(require("rc-util/lib/Children/toArray")); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; } function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; } // We only handle element & text node. var ELEMENT_NODE = 1; var TEXT_NODE = 3; var COMMENT_NODE = 8; var ellipsisContainer; var wrapperStyle = { padding: 0, margin: 0, display: 'inline', lineHeight: 'inherit' }; function pxToNumber(value) { if (!value) return 0; var match = value.match(/^\d*(\.\d*)?/); return match ? Number(match[0]) : 0; } function styleToString(style) { // There are some different behavior between Firefox & Chrome. // We have to handle this ourself. var styleNames = Array.prototype.slice.apply(style); return styleNames.map(function (name) { return "".concat(name, ": ").concat(style.getPropertyValue(name), ";"); }).join(''); } function mergeChildren(children) { var childList = []; children.forEach(function (child) { var prevChild = childList[childList.length - 1]; if (typeof child === 'string' && typeof prevChild === 'string') { childList[childList.length - 1] += child; } else { childList.push(child); } }); return childList; } var _default = function _default(originEle, rows, content, fixedContent, ellipsisStr) { if (!ellipsisContainer) { ellipsisContainer = document.createElement('div'); ellipsisContainer.setAttribute('aria-hidden', 'true'); document.body.appendChild(ellipsisContainer); } // Get origin style var originStyle = window.getComputedStyle(originEle); var originCSS = styleToString(originStyle); var lineHeight = pxToNumber(originStyle.lineHeight); var maxHeight = lineHeight * (rows + 1) + pxToNumber(originStyle.paddingTop) + pxToNumber(originStyle.paddingBottom); // Set shadow ellipsisContainer.setAttribute('style', originCSS); ellipsisContainer.style.position = 'fixed'; ellipsisContainer.style.left = '0'; ellipsisContainer.style.height = 'auto'; ellipsisContainer.style.minHeight = 'auto'; ellipsisContainer.style.maxHeight = 'auto'; ellipsisContainer.style.top = '-999999px'; ellipsisContainer.style.zIndex = '-1000'; // clean up css overflow ellipsisContainer.style.textOverflow = 'clip'; ellipsisContainer.style.whiteSpace = 'normal'; ellipsisContainer.style.webkitLineClamp = 'none'; // Render in the fake container var contentList = mergeChildren((0, _toArray["default"])(content)); (0, _reactDom.render)( /*#__PURE__*/React.createElement("div", { style: wrapperStyle }, /*#__PURE__*/React.createElement("span", { style: wrapperStyle }, contentList), /*#__PURE__*/React.createElement("span", { style: wrapperStyle }, fixedContent)), ellipsisContainer); // wrap in an div for old version react // Check if ellipsis in measure div is height enough for content function inRange() { return ellipsisContainer.offsetHeight < maxHeight; } // Skip ellipsis if already match if (inRange()) { (0, _reactDom.unmountComponentAtNode)(ellipsisContainer); return { content: content, text: ellipsisContainer.innerHTML, ellipsis: false }; } // We should clone the childNode since they're controlled by React and we can't reuse it without warning var childNodes = Array.prototype.slice.apply(ellipsisContainer.childNodes[0].childNodes[0].cloneNode(true).childNodes).filter(function (_ref) { var nodeType = _ref.nodeType; return nodeType !== COMMENT_NODE; }); var fixedNodes = Array.prototype.slice.apply(ellipsisContainer.childNodes[0].childNodes[1].cloneNode(true).childNodes); (0, _reactDom.unmountComponentAtNode)(ellipsisContainer); // ========================= Find match ellipsis content ========================= var ellipsisChildren = []; ellipsisContainer.innerHTML = ''; // Create origin content holder var ellipsisContentHolder = document.createElement('span'); ellipsisContainer.appendChild(ellipsisContentHolder); var ellipsisTextNode = document.createTextNode(ellipsisStr); ellipsisContentHolder.appendChild(ellipsisTextNode); fixedNodes.forEach(function (childNode) { ellipsisContainer.appendChild(childNode); }); // Append before fixed nodes function appendChildNode(node) { ellipsisContentHolder.insertBefore(node, ellipsisTextNode); } // Get maximum text function measureText(textNode, fullText) { var startLoc = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0; var endLoc = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : fullText.length; var lastSuccessLoc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0; var midLoc = Math.floor((startLoc + endLoc) / 2); var currentText = fullText.slice(0, midLoc); textNode.textContent = currentText; if (startLoc >= endLoc - 1) { // Loop when step is small for (var step = endLoc; step >= startLoc; step -= 1) { var currentStepText = fullText.slice(0, step); textNode.textContent = currentStepText; if (inRange()) { return step === fullText.length ? { finished: false, reactNode: fullText } : { finished: true, reactNode: currentStepText }; } } } if (inRange()) { return measureText(textNode, fullText, midLoc, endLoc, midLoc); } return measureText(textNode, fullText, startLoc, midLoc, lastSuccessLoc); } function measureNode(childNode, index) { var type = childNode.nodeType; if (type === ELEMENT_NODE) { // We don't split element, it will keep if whole element can be displayed. appendChildNode(childNode); if (inRange()) { return { finished: false, reactNode: contentList[index] }; } // Clean up if can not pull in ellipsisContentHolder.removeChild(childNode); return { finished: true, reactNode: null }; } if (type === TEXT_NODE) { var fullText = childNode.textContent || ''; var textNode = document.createTextNode(fullText); appendChildNode(textNode); return measureText(textNode, fullText); } // Not handle other type of content // PS: This code should not be attached after react 16 return { finished: false, reactNode: null }; } childNodes.some(function (childNode, index) { var _measureNode = measureNode(childNode, index), finished = _measureNode.finished, reactNode = _measureNode.reactNode; if (reactNode) { ellipsisChildren.push(reactNode); } return finished; }); return { content: ellipsisChildren, text: ellipsisContainer.innerHTML, ellipsis: true }; }; exports["default"] = _default;