forked from sheetjs/docs.sheetjs.com
		
	
		
			
				
	
	
		
			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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| 
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| module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
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| 
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| /***/ }),
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| /* 1 */
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| /***/ (function(module, __webpack_exports__, __webpack_require__) {
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| 
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| "use strict";
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| __webpack_require__.r(__webpack_exports__);
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| 
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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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| 
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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 splitAtDelimiters = function splitAtDelimiters(startData, leftDelim, rightDelim, display) {
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|   var finalData = [];
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| 
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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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| 
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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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| 
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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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| 
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|           if (nextIndex === -1) {
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|             break;
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|           }
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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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| 
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|           if (nextIndex === -1) {
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|             break;
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|           }
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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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| 
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|         lookingForLeft = !lookingForLeft;
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|       }
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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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| 
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|   return finalData;
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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.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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| 
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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 = auto_render_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 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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| 
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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 = __webpack_exports__["default"] = (renderMathInElement);
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| 
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| /***/ })
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| /******/ ])["default"];
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| }); |