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			327 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			327 lines
		
	
	
		
			9.8 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__771__) {
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| return /******/ (function() { // webpackBootstrap
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| /******/ 	"use strict";
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| /******/ 	var __webpack_modules__ = ({
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| 
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| /***/ 771:
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| /***/ (function(module) {
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| 
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| module.exports = __WEBPACK_EXTERNAL_MODULE__771__;
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| 
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| /***/ })
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| 
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| /******/ 	});
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| /************************************************************************/
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| /******/ 	// The module cache
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| /******/ 	var __webpack_module_cache__ = {};
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| /******/ 	
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| /******/ 	// The require function
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| /******/ 	function __webpack_require__(moduleId) {
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| /******/ 		// Check if module is in cache
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| /******/ 		var cachedModule = __webpack_module_cache__[moduleId];
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| /******/ 		if (cachedModule !== undefined) {
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| /******/ 			return cachedModule.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 = __webpack_module_cache__[moduleId] = {
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| /******/ 			// no module.id needed
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| /******/ 			// no module.loaded needed
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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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| /******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__);
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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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| /******/ 	/* webpack/runtime/compat get default export */
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| /******/ 	!function() {
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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() { return module['default']; } :
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| /******/ 				function() { 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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| /******/ 	
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| /******/ 	/* webpack/runtime/define property getters */
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| /******/ 	!function() {
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| /******/ 		// define getter functions for harmony exports
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| /******/ 		__webpack_require__.d = function(exports, definition) {
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| /******/ 			for(var key in definition) {
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| /******/ 				if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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| /******/ 					Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
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| /******/ 				}
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| /******/ 			}
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| /******/ 		};
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| /******/ 	}();
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| /******/ 	
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| /******/ 	/* webpack/runtime/hasOwnProperty shorthand */
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| /******/ 	!function() {
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| /******/ 		__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
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| /******/ 	}();
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| /******/ 	
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| /************************************************************************/
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| var __webpack_exports__ = {};
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| // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
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| !function() {
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| 
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| // EXPORTS
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| __webpack_require__.d(__webpack_exports__, {
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|   "default": function() { return /* binding */ auto_render; }
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| });
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| 
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| // EXTERNAL MODULE: external "katex"
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| var external_katex_ = __webpack_require__(771);
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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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| 
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|   while (index < text.length) {
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|     var character = text[index];
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| 
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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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| 
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|     index++;
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|   }
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| 
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|   return -1;
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| };
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| 
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| var escapeRegex = function escapeRegex(string) {
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|   return string.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&");
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| };
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| 
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| var amsRegex = /^\\begin{/;
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| 
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| var splitAtDelimiters = function splitAtDelimiters(text, delimiters) {
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|   var index;
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|   var data = [];
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|   var regexLeft = new RegExp("(" + delimiters.map(function (x) {
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|     return escapeRegex(x.left);
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|   }).join("|") + ")");
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| 
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|   while (true) {
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|     index = text.search(regexLeft);
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| 
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|     if (index === -1) {
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|       break;
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|     }
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| 
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|     if (index > 0) {
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|       data.push({
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|         type: "text",
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|         data: text.slice(0, index)
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|       });
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|       text = text.slice(index); // now text starts with delimiter
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|     } // ... so this always succeeds:
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| 
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| 
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|     var i = delimiters.findIndex(function (delim) {
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|       return text.startsWith(delim.left);
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|     });
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|     index = findEndOfMath(delimiters[i].right, text, delimiters[i].left.length);
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| 
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|     if (index === -1) {
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|       break;
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|     }
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| 
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|     var rawData = text.slice(0, index + delimiters[i].right.length);
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|     var math = amsRegex.test(rawData) ? rawData : text.slice(delimiters[i].left.length, index);
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|     data.push({
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|       type: "math",
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|       data: math,
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|       rawData: rawData,
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|       display: delimiters[i].display
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|     });
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|     text = text.slice(index + delimiters[i].right.length);
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|   }
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| 
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|   if (text !== "") {
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|     data.push({
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|       type: "text",
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|       data: text
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|     });
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|   }
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| 
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|   return data;
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| };
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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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| 
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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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| 
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| var renderMathInText = function renderMathInText(text, optionsCopy) {
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|   var data = auto_render_splitAtDelimiters(text, optionsCopy.delimiters);
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| 
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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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| 
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|   var fragment = document.createDocumentFragment();
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| 
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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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| 
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|       optionsCopy.displayMode = data[i].display;
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| 
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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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| 
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|         external_katex_default().render(math, span, optionsCopy);
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|       } catch (e) {
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|         if (!(e instanceof (external_katex_default()).ParseError)) {
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|           throw e;
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|         }
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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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| 
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|       fragment.appendChild(span);
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|     }
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|   }
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| 
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|   return fragment;
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| };
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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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| 
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|     if (childNode.nodeType === 3) {
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|       // Text node
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|       var frag = renderMathInText(childNode.textContent, optionsCopy);
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| 
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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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| 
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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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| };
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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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| 
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|   var optionsCopy = {}; // Object.assign(optionsCopy, option)
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| 
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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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| 
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| 
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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 after $$
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|   // Render AMS environments even if outside $$…$$ delimiters.
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|   {
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|     left: "\\begin{equation}",
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|     right: "\\end{equation}",
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|     display: true
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|   }, {
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|     left: "\\begin{align}",
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|     right: "\\end{align}",
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|     display: true
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|   }, {
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|     left: "\\begin{alignat}",
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|     right: "\\end{alignat}",
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|     display: true
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|   }, {
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|     left: "\\begin{gather}",
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|     right: "\\end{gather}",
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|     display: true
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|   }, {
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|     left: "\\begin{CD}",
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|     right: "\\end{CD}",
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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: 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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| 
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|   optionsCopy.macros = optionsCopy.macros || {};
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|   renderElem(elem, optionsCopy);
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| };
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| 
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| /* harmony default export */ var auto_render = (renderMathInElement);
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| }();
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| __webpack_exports__ = __webpack_exports__["default"];
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| /******/ 	return __webpack_exports__;
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| /******/ })()
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| ;
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| }); |