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Diffstat (limited to 'js/auto-render.js')
| -rw-r--r-- | js/auto-render.js | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/js/auto-render.js b/js/auto-render.js deleted file mode 100644 index 0ec4f69..0000000 --- a/js/auto-render.js +++ /dev/null @@ -1,349 +0,0 @@ -(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__771__) { -return /******/ (function() { // webpackBootstrap -/******/ "use strict"; -/******/ var __webpack_modules__ = ({ - -/***/ 771: -/***/ (function(module) { - -module.exports = __WEBPACK_EXTERNAL_MODULE__771__; - -/***/ }) - -/******/ }); -/************************************************************************/ -/******/ // 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__ = {}; -// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk. -!function() { - -// EXPORTS -__webpack_require__.d(__webpack_exports__, { - "default": function() { return /* binding */ auto_render; } -}); - -// EXTERNAL MODULE: external "katex" -var external_katex_ = __webpack_require__(771); -var external_katex_default = /*#__PURE__*/__webpack_require__.n(external_katex_); -;// CONCATENATED MODULE: ./contrib/auto-render/splitAtDelimiters.js -/* eslint no-constant-condition:0 */ -var findEndOfMath = function findEndOfMath(delimiter, text, startIndex) { - // Adapted from - // https://github.com/Khan/perseus/blob/master/src/perseus-markdown.jsx - var index = startIndex; - var braceLevel = 0; - var delimLength = delimiter.length; - - while (index < text.length) { - var 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; -}; - -var escapeRegex = function escapeRegex(string) { - return string.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&"); -}; - -var amsRegex = /^\\begin{/; - -var splitAtDelimiters = function splitAtDelimiters(text, delimiters) { - var index; - var data = []; - var regexLeft = new RegExp("(" + delimiters.map(function (x) { - return 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: - - - var i = delimiters.findIndex(function (delim) { - return text.startsWith(delim.left); - }); - index = findEndOfMath(delimiters[i].right, text, delimiters[i].left.length); - - if (index === -1) { - break; - } - - var rawData = text.slice(0, index + delimiters[i].right.length); - var math = amsRegex.test(rawData) ? rawData : text.slice(delimiters[i].left.length, index); - data.push({ - type: "math", - data: math, - rawData: 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. - */ - -var renderMathInText = function renderMathInText(text, optionsCopy) { - var 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; - } - - var fragment = document.createDocumentFragment(); - - for (var i = 0; i < data.length; i++) { - if (data[i].type === "text") { - fragment.appendChild(document.createTextNode(data[i].data)); - } else { - var span = document.createElement("span"); - var 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; -}; - -var renderElem = function renderElem(elem, optionsCopy) { - for (var i = 0; i < elem.childNodes.length; i++) { - var 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. - var textContentConcat = childNode.textContent; - var sibling = childNode.nextSibling; - var nSiblings = 0; - - while (sibling && sibling.nodeType === Node.TEXT_NODE) { - textContentConcat += sibling.textContent; - sibling = sibling.nextSibling; - nSiblings++; - } - - var frag = renderMathInText(textContentConcat, optionsCopy); - - if (frag) { - // Remove extra text nodes - for (var 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) { - (function () { - // Element node - var className = ' ' + childNode.className + ' '; - var shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1 && optionsCopy.ignoredClasses.every(function (x) { - return className.indexOf(' ' + x + ' ') === -1; - }); - - if (shouldRender) { - renderElem(childNode, optionsCopy); - } - })(); - } // Otherwise, it's something else, and ignore it. - - } -}; - -var renderMathInElement = function renderMathInElement(elem, options) { - if (!elem) { - throw new Error("No element provided to render"); - } - - var optionsCopy = {}; // Object.assign(optionsCopy, option) - - for (var 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__; -/******/ })() -; -});
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