350 lines
11 KiB
JavaScript
350 lines
11 KiB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
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if(typeof exports === 'object' && typeof module === 'object')
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module.exports = factory(require("katex"));
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else if(typeof define === 'function' && define.amd)
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define(["katex"], factory);
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else if(typeof exports === 'object')
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exports["renderMathInElement"] = factory(require("katex"));
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else
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root["renderMathInElement"] = factory(root["katex"]);
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})((typeof self !== 'undefined' ? self : this), function(__WEBPACK_EXTERNAL_MODULE__0__) {
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return /******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/
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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __webpack_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __webpack_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __webpack_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = 1);
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/******/ })
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/************************************************************************/
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/******/ ([
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/* 0 */
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/***/ (function(module, exports) {
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module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
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/***/ }),
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/* 1 */
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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__webpack_require__.r(__webpack_exports__);
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// EXTERNAL MODULE: external "katex"
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var external_katex_ = __webpack_require__(0);
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var external_katex_default = /*#__PURE__*/__webpack_require__.n(external_katex_);
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// CONCATENATED MODULE: ./contrib/auto-render/splitAtDelimiters.js
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/* eslint no-constant-condition:0 */
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var findEndOfMath = function findEndOfMath(delimiter, text, startIndex) {
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// Adapted from
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// https://github.com/Khan/perseus/blob/master/src/perseus-markdown.jsx
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var index = startIndex;
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var braceLevel = 0;
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var delimLength = delimiter.length;
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while (index < text.length) {
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var character = text[index];
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if (braceLevel <= 0 && text.slice(index, index + delimLength) === delimiter) {
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return index;
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} else if (character === "\\") {
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index++;
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} else if (character === "{") {
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braceLevel++;
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} else if (character === "}") {
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braceLevel--;
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}
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index++;
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}
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return -1;
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};
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var splitAtDelimiters = function splitAtDelimiters(startData, leftDelim, rightDelim, display) {
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var finalData = [];
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for (var i = 0; i < startData.length; i++) {
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if (startData[i].type === "text") {
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var text = startData[i].data;
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var lookingForLeft = true;
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var currIndex = 0;
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var nextIndex = void 0;
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nextIndex = text.indexOf(leftDelim);
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if (nextIndex !== -1) {
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currIndex = nextIndex;
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finalData.push({
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type: "text",
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data: text.slice(0, currIndex)
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});
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lookingForLeft = false;
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}
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while (true) {
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if (lookingForLeft) {
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nextIndex = text.indexOf(leftDelim, currIndex);
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if (nextIndex === -1) {
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break;
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}
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finalData.push({
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type: "text",
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data: text.slice(currIndex, nextIndex)
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});
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currIndex = nextIndex;
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} else {
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nextIndex = findEndOfMath(rightDelim, text, currIndex + leftDelim.length);
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if (nextIndex === -1) {
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break;
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}
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finalData.push({
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type: "math",
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data: text.slice(currIndex + leftDelim.length, nextIndex),
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rawData: text.slice(currIndex, nextIndex + rightDelim.length),
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display: display
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});
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currIndex = nextIndex + rightDelim.length;
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}
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lookingForLeft = !lookingForLeft;
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}
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finalData.push({
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type: "text",
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data: text.slice(currIndex)
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});
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} else {
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finalData.push(startData[i]);
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}
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}
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return finalData;
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};
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/* harmony default export */ var auto_render_splitAtDelimiters = (splitAtDelimiters);
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// CONCATENATED MODULE: ./contrib/auto-render/auto-render.js
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/* eslint no-console:0 */
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var auto_render_splitWithDelimiters = function splitWithDelimiters(text, delimiters) {
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var data = [{
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type: "text",
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data: text
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}];
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for (var i = 0; i < delimiters.length; i++) {
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var delimiter = delimiters[i];
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data = auto_render_splitAtDelimiters(data, delimiter.left, delimiter.right, delimiter.display || false);
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}
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return data;
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};
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/* Note: optionsCopy is mutated by this method. If it is ever exposed in the
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* API, we should copy it before mutating.
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*/
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var auto_render_renderMathInText = function renderMathInText(text, optionsCopy) {
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var data = auto_render_splitWithDelimiters(text, optionsCopy.delimiters);
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if (data.length === 1 && data[0].type === 'text') {
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// There is no formula in the text.
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// Let's return null which means there is no need to replace
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// the current text node with a new one.
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return null;
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}
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var fragment = document.createDocumentFragment();
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for (var i = 0; i < data.length; i++) {
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if (data[i].type === "text") {
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fragment.appendChild(document.createTextNode(data[i].data));
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} else {
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var span = document.createElement("span");
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var math = data[i].data; // Override any display mode defined in the settings with that
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// defined by the text itself
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optionsCopy.displayMode = data[i].display;
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try {
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if (optionsCopy.preProcess) {
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math = optionsCopy.preProcess(math);
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}
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external_katex_default.a.render(math, span, optionsCopy);
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} catch (e) {
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if (!(e instanceof external_katex_default.a.ParseError)) {
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throw e;
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}
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optionsCopy.errorCallback("KaTeX auto-render: Failed to parse `" + data[i].data + "` with ", e);
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fragment.appendChild(document.createTextNode(data[i].rawData));
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continue;
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}
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fragment.appendChild(span);
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}
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}
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return fragment;
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};
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var renderElem = function renderElem(elem, optionsCopy) {
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for (var i = 0; i < elem.childNodes.length; i++) {
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var childNode = elem.childNodes[i];
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if (childNode.nodeType === 3) {
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// Text node
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var frag = auto_render_renderMathInText(childNode.textContent, optionsCopy);
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if (frag) {
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i += frag.childNodes.length - 1;
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elem.replaceChild(frag, childNode);
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}
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} else if (childNode.nodeType === 1) {
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(function () {
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// Element node
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var className = ' ' + childNode.className + ' ';
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var shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1 && optionsCopy.ignoredClasses.every(function (x) {
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return className.indexOf(' ' + x + ' ') === -1;
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});
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if (shouldRender) {
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renderElem(childNode, optionsCopy);
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}
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})();
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} // Otherwise, it's something else, and ignore it.
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}
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};
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var renderMathInElement = function renderMathInElement(elem, options) {
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if (!elem) {
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throw new Error("No element provided to render");
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}
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var optionsCopy = {}; // Object.assign(optionsCopy, option)
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for (var option in options) {
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if (options.hasOwnProperty(option)) {
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optionsCopy[option] = options[option];
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}
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} // default options
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optionsCopy.delimiters = optionsCopy.delimiters || [{
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left: "$$",
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right: "$$",
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display: true
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}, {
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left: "\\(",
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right: "\\)",
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display: false
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}, // LaTeX uses $…$, but it ruins the display of normal `$` in text:
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// {left: "$", right: "$", display: false},
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// \[…\] must come last in this array. Otherwise, renderMathInElement
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// will search for \[ before it searches for $$ or \(
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// That makes it susceptible to finding a \\[0.3em] row delimiter and
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// treating it as if it were the start of a KaTeX math zone.
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{
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left: "\\[",
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right: "\\]",
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display: true
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}];
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optionsCopy.ignoredTags = optionsCopy.ignoredTags || ["script", "noscript", "style", "textarea", "pre", "code", "option"];
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optionsCopy.ignoredClasses = optionsCopy.ignoredClasses || [];
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optionsCopy.errorCallback = optionsCopy.errorCallback || console.error; // Enable sharing of global macros defined via `\gdef` between different
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// math elements within a single call to `renderMathInElement`.
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optionsCopy.macros = optionsCopy.macros || {};
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renderElem(elem, optionsCopy);
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};
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/* harmony default export */ var auto_render = __webpack_exports__["default"] = (renderMathInElement);
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/***/ })
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/******/ ])["default"];
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}); |