(function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(require("katex")); else if(typeof define === 'function' && define.amd) define(["katex"], factory); else if(typeof exports === 'object') exports["renderMathInElement"] = factory(require("katex")); else root["renderMathInElement"] = factory(root["katex"]); })((typeof self !== 'undefined' ? self : this), function(__WEBPACK_EXTERNAL_MODULE__757__) { return /******/ (function() { // webpackBootstrap /******/ "use strict"; /******/ var __webpack_modules__ = ({ /***/ 757: /***/ (function(module) { module.exports = __WEBPACK_EXTERNAL_MODULE__757__; /***/ }) /******/ }); /************************************************************************/ /******/ // The module cache /******/ var __webpack_module_cache__ = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ // Check if module is in cache /******/ var cachedModule = __webpack_module_cache__[moduleId]; /******/ if (cachedModule !== undefined) { /******/ return cachedModule.exports; /******/ } /******/ // Create a new module (and put it into the cache) /******/ var module = __webpack_module_cache__[moduleId] = { /******/ // no module.id needed /******/ // no module.loaded needed /******/ exports: {} /******/ }; /******/ /******/ // Execute the module function /******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__); /******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ /************************************************************************/ /******/ /* webpack/runtime/compat get default export */ /******/ !function() { /******/ // getDefaultExport function for compatibility with non-harmony modules /******/ __webpack_require__.n = function(module) { /******/ var getter = module && module.__esModule ? /******/ function() { return module['default']; } : /******/ function() { return module; }; /******/ __webpack_require__.d(getter, { a: getter }); /******/ return getter; /******/ }; /******/ }(); /******/ /******/ /* webpack/runtime/define property getters */ /******/ !function() { /******/ // define getter functions for harmony exports /******/ __webpack_require__.d = function(exports, definition) { /******/ for(var key in definition) { /******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { /******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); /******/ } /******/ } /******/ }; /******/ }(); /******/ /******/ /* webpack/runtime/hasOwnProperty shorthand */ /******/ !function() { /******/ __webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } /******/ }(); /******/ /************************************************************************/ var __webpack_exports__ = {}; // EXPORTS __webpack_require__.d(__webpack_exports__, { "default": function() { return /* binding */ auto_render; } }); // EXTERNAL MODULE: external "katex" var external_katex_ = __webpack_require__(757); var external_katex_default = /*#__PURE__*/__webpack_require__.n(external_katex_); ;// CONCATENATED MODULE: ./contrib/auto-render/splitAtDelimiters.js /* eslint no-constant-condition:0 */ const findEndOfMath = function (delimiter, text, startIndex) { // Adapted from // https://github.com/Khan/perseus/blob/master/src/perseus-markdown.jsx let index = startIndex; let braceLevel = 0; const delimLength = delimiter.length; while (index < text.length) { const character = text[index]; if (braceLevel <= 0 && text.slice(index, index + delimLength) === delimiter) { return index; } else if (character === "\\") { index++; } else if (character === "{") { braceLevel++; } else if (character === "}") { braceLevel--; } index++; } return -1; }; const escapeRegex = function (string) { return string.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&"); }; const amsRegex = /^\\begin{/; const splitAtDelimiters = function (text, delimiters) { let index; const data = []; const regexLeft = new RegExp("(" + delimiters.map(x => escapeRegex(x.left)).join("|") + ")"); while (true) { index = text.search(regexLeft); if (index === -1) { break; } if (index > 0) { data.push({ type: "text", data: text.slice(0, index) }); text = text.slice(index); // now text starts with delimiter } // ... so this always succeeds: const i = delimiters.findIndex(delim => text.startsWith(delim.left)); index = findEndOfMath(delimiters[i].right, text, delimiters[i].left.length); if (index === -1) { break; } const rawData = text.slice(0, index + delimiters[i].right.length); const math = amsRegex.test(rawData) ? rawData : text.slice(delimiters[i].left.length, index); data.push({ type: "math", data: math, rawData, display: delimiters[i].display }); text = text.slice(index + delimiters[i].right.length); } if (text !== "") { data.push({ type: "text", data: text }); } return data; }; /* harmony default export */ var auto_render_splitAtDelimiters = (splitAtDelimiters); ;// CONCATENATED MODULE: ./contrib/auto-render/auto-render.js /* eslint no-console:0 */ /* Note: optionsCopy is mutated by this method. If it is ever exposed in the * API, we should copy it before mutating. */ const renderMathInText = function (text, optionsCopy) { const data = auto_render_splitAtDelimiters(text, optionsCopy.delimiters); if (data.length === 1 && data[0].type === 'text') { // There is no formula in the text. // Let's return null which means there is no need to replace // the current text node with a new one. return null; } const fragment = document.createDocumentFragment(); for (let i = 0; i < data.length; i++) { if (data[i].type === "text") { fragment.appendChild(document.createTextNode(data[i].data)); } else { const span = document.createElement("span"); let math = data[i].data; // Override any display mode defined in the settings with that // defined by the text itself optionsCopy.displayMode = data[i].display; try { if (optionsCopy.preProcess) { math = optionsCopy.preProcess(math); } external_katex_default().render(math, span, optionsCopy); } catch (e) { if (!(e instanceof (external_katex_default()).ParseError)) { throw e; } optionsCopy.errorCallback("KaTeX auto-render: Failed to parse `" + data[i].data + "` with ", e); fragment.appendChild(document.createTextNode(data[i].rawData)); continue; } fragment.appendChild(span); } } return fragment; }; const renderElem = function (elem, optionsCopy) { for (let i = 0; i < elem.childNodes.length; i++) { const childNode = elem.childNodes[i]; if (childNode.nodeType === 3) { // Text node // Concatenate all sibling text nodes. // Webkit browsers split very large text nodes into smaller ones, // so the delimiters may be split across different nodes. let textContentConcat = childNode.textContent; let sibling = childNode.nextSibling; let nSiblings = 0; while (sibling && sibling.nodeType === Node.TEXT_NODE) { textContentConcat += sibling.textContent; sibling = sibling.nextSibling; nSiblings++; } const frag = renderMathInText(textContentConcat, optionsCopy); if (frag) { // Remove extra text nodes for (let j = 0; j < nSiblings; j++) { childNode.nextSibling.remove(); } i += frag.childNodes.length - 1; elem.replaceChild(frag, childNode); } else { // If the concatenated text does not contain math // the siblings will not either i += nSiblings; } } else if (childNode.nodeType === 1) { // Element node const className = ' ' + childNode.className + ' '; const shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1 && optionsCopy.ignoredClasses.every(x => className.indexOf(' ' + x + ' ') === -1); if (shouldRender) { renderElem(childNode, optionsCopy); } } // Otherwise, it's something else, and ignore it. } }; const renderMathInElement = function (elem, options) { if (!elem) { throw new Error("No element provided to render"); } const optionsCopy = {}; // Object.assign(optionsCopy, option) for (const option in options) { if (options.hasOwnProperty(option)) { optionsCopy[option] = options[option]; } } // default options optionsCopy.delimiters = optionsCopy.delimiters || [{ left: "$$", right: "$$", display: true }, { left: "\\(", right: "\\)", display: false }, // LaTeX uses $…$, but it ruins the display of normal `$` in text: // {left: "$", right: "$", display: false}, // $ must come after $$ // Render AMS environments even if outside $$…$$ delimiters. { left: "\\begin{equation}", right: "\\end{equation}", display: true }, { left: "\\begin{align}", right: "\\end{align}", display: true }, { left: "\\begin{alignat}", right: "\\end{alignat}", display: true }, { left: "\\begin{gather}", right: "\\end{gather}", display: true }, { left: "\\begin{CD}", right: "\\end{CD}", display: true }, { left: "\\[", right: "\\]", display: true }]; optionsCopy.ignoredTags = optionsCopy.ignoredTags || ["script", "noscript", "style", "textarea", "pre", "code", "option"]; optionsCopy.ignoredClasses = optionsCopy.ignoredClasses || []; optionsCopy.errorCallback = optionsCopy.errorCallback || console.error; // Enable sharing of global macros defined via `\gdef` between different // math elements within a single call to `renderMathInElement`. optionsCopy.macros = optionsCopy.macros || {}; renderElem(elem, optionsCopy); }; /* harmony default export */ var auto_render = (renderMathInElement); __webpack_exports__ = __webpack_exports__["default"]; /******/ return __webpack_exports__; /******/ })() ; });