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Diffstat (limited to 'client/katex/auto-render.js')
| -rw-r--r-- | client/katex/auto-render.js | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/client/katex/auto-render.js b/client/katex/auto-render.js deleted file mode 100644 index 3943dc0..0000000 --- a/client/katex/auto-render.js +++ /dev/null @@ -1,219 +0,0 @@ -(function(e){if("function"==typeof bootstrap)bootstrap("rendermathinelement",e);else if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else if("undefined"!=typeof ses){if(!ses.ok())return;ses.makeRenderMathInElement=e}else"undefined"!=typeof window?window.renderMathInElement=e():global.renderMathInElement=e()})(function(){var define,ses,bootstrap,module,exports; -return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ -/* global katex */ - -var splitAtDelimiters = require("./splitAtDelimiters"); - -var splitWithDelimiters = function(text, delimiters) { - var data = [{type: "text", data: text}]; - for (var i = 0; i < delimiters.length; i++) { - var delimiter = delimiters[i]; - data = splitAtDelimiters( - data, delimiter.left, delimiter.right, - delimiter.display || false); - } - return data; -}; - -var renderMathInText = function(text, delimiters) { - var data = splitWithDelimiters(text, 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; - try { - katex.render(math, span, { - displayMode: data[i].display - }); - } catch (e) { - if (!(e instanceof katex.ParseError)) { - throw e; - } - console.error( - "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(elem, delimiters, ignoredTags) { - 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, delimiters); - i += frag.childNodes.length - 1; - elem.replaceChild(frag, childNode); - } else if (childNode.nodeType === 1) { - // Element node - var shouldRender = ignoredTags.indexOf( - childNode.nodeName.toLowerCase()) === -1; - - if (shouldRender) { - renderElem(childNode, delimiters, ignoredTags); - } - } - // Otherwise, it's something else, and ignore it. - } -}; - -var defaultOptions = { - delimiters: [ - {left: "$$", right: "$$", display: true}, - {left: "\\[", right: "\\]", display: true}, - {left: "\\(", right: "\\)", display: false} - // LaTeX uses this, but it ruins the display of normal `$` in text: - // {left: "$", right: "$", display: false} - ], - - ignoredTags: [ - "script", "noscript", "style", "textarea", "pre", "code" - ] -}; - -var extend = function(obj) { - // Adapted from underscore.js' `_.extend`. See LICENSE.txt for license. - var source, prop; - for (var i = 1, length = arguments.length; i < length; i++) { - source = arguments[i]; - for (prop in source) { - if (Object.prototype.hasOwnProperty.call(source, prop)) { - obj[prop] = source[prop]; - } - } - } - return obj; -}; - -var renderMathInElement = function(elem, options) { - if (!elem) { - throw new Error("No element provided to render"); - } - - options = extend({}, defaultOptions, options); - - renderElem(elem, options.delimiters, options.ignoredTags); -}; - -module.exports = renderMathInElement; - -},{"./splitAtDelimiters":2}],2:[function(require,module,exports){ -var findEndOfMath = function(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(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; - - 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; -}; - -module.exports = splitAtDelimiters; - -},{}]},{},[1]) -(1) -}); -;
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