path: root/client/katex/contrib/auto-render.js

(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"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_38__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, {
/******/ 				configurable: false,
/******/ 				enumerable: true,
/******/ 				get: getter
/******/ 			});
/******/ 		}
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 9);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports) {

// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef

/***/ }),
/* 1 */
/***/ (function(module, exports) {

module.exports = function(it){
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};

/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

// Thank's IE8 for his funny defineProperty
module.exports = !__webpack_require__(3)(function(){
  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
});

/***/ }),
/* 3 */
/***/ (function(module, exports) {

module.exports = function(exec){
  try {
    return !!exec();
  } catch(e){
    return true;
  }
};

/***/ }),
/* 4 */
/***/ (function(module, exports) {

var core = module.exports = {version: '2.4.0'};
if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef

/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = __webpack_require__(6)
  , defined = __webpack_require__(7);
module.exports = function(it){
  return IObject(defined(it));
};

/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = __webpack_require__(27);
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
  return cof(it) == 'String' ? it.split('') : Object(it);
};

/***/ }),
/* 7 */
/***/ (function(module, exports) {

// 7.2.1 RequireObjectCoercible(argument)
module.exports = function(it){
  if(it == undefined)throw TypeError("Can't call method on  " + it);
  return it;
};

/***/ }),
/* 8 */
/***/ (function(module, exports) {

// 7.1.4 ToInteger
var ceil  = Math.ceil
  , floor = Math.floor;
module.exports = function(it){
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};

/***/ }),
/* 9 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign__ = __webpack_require__(10);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign__);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1_katex__ = __webpack_require__(38);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1_katex___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_1_katex__);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__splitAtDelimiters__ = __webpack_require__(39);

/* eslint no-console:0 */




var splitWithDelimiters = function splitWithDelimiters(text, delimiters) {
    var data = [{ type: "text", data: text }];
    for (var i = 0; i < delimiters.length; i++) {
        var delimiter = delimiters[i];
        data = Object(__WEBPACK_IMPORTED_MODULE_2__splitAtDelimiters__["a" /* default */])(data, delimiter.left, delimiter.right, delimiter.display || false);
    }
    return data;
};

/* 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 = splitWithDelimiters(text, optionsCopy.delimiters);
    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 {
                __WEBPACK_IMPORTED_MODULE_1_katex___default.a.render(math, span, optionsCopy);
            } catch (e) {
                if (!(e instanceof __WEBPACK_IMPORTED_MODULE_1_katex___default.a.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
            var frag = renderMathInText(childNode.textContent, optionsCopy);
            i += frag.childNodes.length - 1;
            elem.replaceChild(frag, childNode);
        } else if (childNode.nodeType === 1) {
            // Element node
            var shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1;

            if (shouldRender) {
                renderElem(childNode, optionsCopy);
            }
        }
        // Otherwise, it's something else, and ignore it.
    }
};

var defaultAutoRenderOptions = {
    delimiters: [{ left: "$$", right: "$$", display: true }, { left: "\\[", right: "\\]", display: true }, { left: "\\(", right: "\\)", display: false }],

    ignoredTags: ["script", "noscript", "style", "textarea", "pre", "code"],

    errorCallback: function errorCallback(msg, err) {
        console.error(msg, err);
    }
};

var renderMathInElement = function renderMathInElement(elem, options) {
    if (!elem) {
        throw new Error("No element provided to render");
    }

    var optionsCopy = __WEBPACK_IMPORTED_MODULE_0_babel_runtime_core_js_object_assign___default()({}, defaultAutoRenderOptions, options);
    renderElem(elem, optionsCopy);
};

/* harmony default export */ __webpack_exports__["default"] = (renderMathInElement);

/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = { "default": __webpack_require__(11), __esModule: true };

/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {

__webpack_require__(12);
module.exports = __webpack_require__(4).Object.assign;

/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {

// 19.1.3.1 Object.assign(target, source)
var $export = __webpack_require__(13);

$export($export.S + $export.F, 'Object', {assign: __webpack_require__(23)});

/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

var global    = __webpack_require__(0)
  , core      = __webpack_require__(4)
  , ctx       = __webpack_require__(14)
  , hide      = __webpack_require__(16)
  , PROTOTYPE = 'prototype';

var $export = function(type, name, source){
  var IS_FORCED = type & $export.F
    , IS_GLOBAL = type & $export.G
    , IS_STATIC = type & $export.S
    , IS_PROTO  = type & $export.P
    , IS_BIND   = type & $export.B
    , IS_WRAP   = type & $export.W
    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})
    , expProto  = exports[PROTOTYPE]
    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]
    , key, own, out;
  if(IS_GLOBAL)source = name;
  for(key in source){
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    if(own && key in exports)continue;
    // export native or passed
    out = own ? target[key] : source[key];
    // prevent global pollution for namespaces
    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
    // bind timers to global for call from export context
    : IS_BIND && own ? ctx(out, global)
    // wrap global constructors for prevent change them in library
    : IS_WRAP && target[key] == out ? (function(C){
      var F = function(a, b, c){
        if(this instanceof C){
          switch(arguments.length){
            case 0: return new C;
            case 1: return new C(a);
            case 2: return new C(a, b);
          } return new C(a, b, c);
        } return C.apply(this, arguments);
      };
      F[PROTOTYPE] = C[PROTOTYPE];
      return F;
    // make static versions for prototype methods
    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
    if(IS_PROTO){
      (exports.virtual || (exports.virtual = {}))[key] = out;
      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);
    }
  }
};
// type bitmap
$export.F = 1;   // forced
$export.G = 2;   // global
$export.S = 4;   // static
$export.P = 8;   // proto
$export.B = 16;  // bind
$export.W = 32;  // wrap
$export.U = 64;  // safe
$export.R = 128; // real proto method for `library` 
module.exports = $export;

/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

// optional / simple context binding
var aFunction = __webpack_require__(15);
module.exports = function(fn, that, length){
  aFunction(fn);
  if(that === undefined)return fn;
  switch(length){
    case 1: return function(a){
      return fn.call(that, a);
    };
    case 2: return function(a, b){
      return fn.call(that, a, b);
    };
    case 3: return function(a, b, c){
      return fn.call(that, a, b, c);
    };
  }
  return function(/* ...args */){
    return fn.apply(that, arguments);
  };
};

/***/ }),
/* 15 */
/***/ (function(module, exports) {

module.exports = function(it){
  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
  return it;
};

/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

var dP         = __webpack_require__(17)
  , createDesc = __webpack_require__(22);
module.exports = __webpack_require__(2) ? function(object, key, value){
  return dP.f(object, key, createDesc(1, value));
} : function(object, key, value){
  object[key] = value;
  return object;
};

/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

var anObject       = __webpack_require__(18)
  , IE8_DOM_DEFINE = __webpack_require__(19)
  , toPrimitive    = __webpack_require__(21)
  , dP             = Object.defineProperty;

exports.f = __webpack_require__(2) ? Object.defineProperty : function defineProperty(O, P, Attributes){
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if(IE8_DOM_DEFINE)try {
    return dP(O, P, Attributes);
  } catch(e){ /* empty */ }
  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
  if('value' in Attributes)O[P] = Attributes.value;
  return O;
};

/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__(1);
module.exports = function(it){
  if(!isObject(it))throw TypeError(it + ' is not an object!');
  return it;
};

/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = !__webpack_require__(2) && !__webpack_require__(3)(function(){
  return Object.defineProperty(__webpack_require__(20)('div'), 'a', {get: function(){ return 7; }}).a != 7;
});

/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__(1)
  , document = __webpack_require__(0).document
  // in old IE typeof document.createElement is 'object'
  , is = isObject(document) && isObject(document.createElement);
module.exports = function(it){
  return is ? document.createElement(it) : {};
};

/***/ }),
/* 21 */
/***/ (function(module, exports, __webpack_require__) {

// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = __webpack_require__(1);
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function(it, S){
  if(!isObject(it))return it;
  var fn, val;
  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;
  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
  throw TypeError("Can't convert object to primitive value");
};

/***/ }),
/* 22 */
/***/ (function(module, exports) {

module.exports = function(bitmap, value){
  return {
    enumerable  : !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable    : !(bitmap & 4),
    value       : value
  };
};

/***/ }),
/* 23 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// 19.1.2.1 Object.assign(target, source, ...)
var getKeys  = __webpack_require__(24)
  , gOPS     = __webpack_require__(35)
  , pIE      = __webpack_require__(36)
  , toObject = __webpack_require__(37)
  , IObject  = __webpack_require__(6)
  , $assign  = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || __webpack_require__(3)(function(){
  var A = {}
    , B = {}
    , S = Symbol()
    , K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function(k){ B[k] = k; });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
  var T     = toObject(target)
    , aLen  = arguments.length
    , index = 1
    , getSymbols = gOPS.f
    , isEnum     = pIE.f;
  while(aLen > index){
    var S      = IObject(arguments[index++])
      , keys   = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
      , length = keys.length
      , j      = 0
      , key;
    while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
  } return T;
} : $assign;

/***/ }),
/* 24 */
/***/ (function(module, exports, __webpack_require__) {

// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys       = __webpack_require__(25)
  , enumBugKeys = __webpack_require__(34);

module.exports = Object.keys || function keys(O){
  return $keys(O, enumBugKeys);
};

/***/ }),
/* 25 */
/***/ (function(module, exports, __webpack_require__) {

var has          = __webpack_require__(26)
  , toIObject    = __webpack_require__(5)
  , arrayIndexOf = __webpack_require__(28)(false)
  , IE_PROTO     = __webpack_require__(31)('IE_PROTO');

module.exports = function(object, names){
  var O      = toIObject(object)
    , i      = 0
    , result = []
    , key;
  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while(names.length > i)if(has(O, key = names[i++])){
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};

/***/ }),
/* 26 */
/***/ (function(module, exports) {

var hasOwnProperty = {}.hasOwnProperty;
module.exports = function(it, key){
  return hasOwnProperty.call(it, key);
};

/***/ }),
/* 27 */
/***/ (function(module, exports) {

var toString = {}.toString;

module.exports = function(it){
  return toString.call(it).slice(8, -1);
};

/***/ }),
/* 28 */
/***/ (function(module, exports, __webpack_require__) {

// false -> Array#indexOf
// true  -> Array#includes
var toIObject = __webpack_require__(5)
  , toLength  = __webpack_require__(29)
  , toIndex   = __webpack_require__(30);
module.exports = function(IS_INCLUDES){
  return function($this, el, fromIndex){
    var O      = toIObject($this)
      , length = toLength(O.length)
      , index  = toIndex(fromIndex, length)
      , value;
    // Array#includes uses SameValueZero equality algorithm
    if(IS_INCLUDES && el != el)while(length > index){
      value = O[index++];
      if(value != value)return true;
    // Array#toIndex ignores holes, Array#includes - not
    } else for(;length > index; index++)if(IS_INCLUDES || index in O){
      if(O[index] === el)return IS_INCLUDES || index || 0;
    } return !IS_INCLUDES && -1;
  };
};

/***/ }),
/* 29 */
/***/ (function(module, exports, __webpack_require__) {

// 7.1.15 ToLength
var toInteger = __webpack_require__(8)
  , min       = Math.min;
module.exports = function(it){
  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};

/***/ }),
/* 30 */
/***/ (function(module, exports, __webpack_require__) {

var toInteger = __webpack_require__(8)
  , max       = Math.max
  , min       = Math.min;
module.exports = function(index, length){
  index = toInteger(index);
  return index < 0 ? max(index + length, 0) : min(index, length);
};

/***/ }),
/* 31 */
/***/ (function(module, exports, __webpack_require__) {

var shared = __webpack_require__(32)('keys')
  , uid    = __webpack_require__(33);
module.exports = function(key){
  return shared[key] || (shared[key] = uid(key));
};

/***/ }),
/* 32 */
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__(0)
  , SHARED = '__core-js_shared__'
  , store  = global[SHARED] || (global[SHARED] = {});
module.exports = function(key){
  return store[key] || (store[key] = {});
};

/***/ }),
/* 33 */
/***/ (function(module, exports) {

var id = 0
  , px = Math.random();
module.exports = function(key){
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};

/***/ }),
/* 34 */
/***/ (function(module, exports) {

// IE 8- don't enum bug keys
module.exports = (
  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');

/***/ }),
/* 35 */
/***/ (function(module, exports) {

exports.f = Object.getOwnPropertySymbols;

/***/ }),
/* 36 */
/***/ (function(module, exports) {

exports.f = {}.propertyIsEnumerable;

/***/ }),
/* 37 */
/***/ (function(module, exports, __webpack_require__) {

// 7.1.13 ToObject(argument)
var defined = __webpack_require__(7);
module.exports = function(it){
  return Object(defined(it));
};

/***/ }),
/* 38 */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_38__;

/***/ }),
/* 39 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* 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 splitAtDelimiters = function splitAtDelimiters(startData, leftDelim, rightDelim, display) {
    var finalData = [];

    for (var i = 0; i < startData.length; i++) {
        if (startData[i].type === "text") {
            var text = startData[i].data;

            var lookingForLeft = true;
            var currIndex = 0;
            var nextIndex = void 0;

            nextIndex = text.indexOf(leftDelim);
            if (nextIndex !== -1) {
                currIndex = nextIndex;
                finalData.push({
                    type: "text",
                    data: text.slice(0, currIndex)
                });
                lookingForLeft = false;
            }

            while (true) {
                if (lookingForLeft) {
                    nextIndex = text.indexOf(leftDelim, currIndex);
                    if (nextIndex === -1) {
                        break;
                    }

                    finalData.push({
                        type: "text",
                        data: text.slice(currIndex, nextIndex)
                    });

                    currIndex = nextIndex;
                } else {
                    nextIndex = findEndOfMath(rightDelim, text, currIndex + leftDelim.length);
                    if (nextIndex === -1) {
                        break;
                    }

                    finalData.push({
                        type: "math",
                        data: text.slice(currIndex + leftDelim.length, nextIndex),
                        rawData: text.slice(currIndex, nextIndex + rightDelim.length),
                        display: display
                    });

                    currIndex = nextIndex + rightDelim.length;
                }

                lookingForLeft = !lookingForLeft;
            }

            finalData.push({
                type: "text",
                data: text.slice(currIndex)
            });
        } else {
            finalData.push(startData[i]);
        }
    }

    return finalData;
};

/* harmony default export */ __webpack_exports__["a"] = (splitAtDelimiters);

/***/ })
/******/ ])["default"];
});