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author | =Corey Hulen <corey@hulen.com> | 2016-03-16 18:13:16 -0700 |
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committer | =Corey Hulen <corey@hulen.com> | 2016-03-16 18:13:16 -0700 |
commit | b9d5b4e5dcc1585397f1e1d2e53c5f040ee76220 (patch) | |
tree | 85d2c293aa3456182a754fefe6646162b516eb6c /webapp/non_npm_dependencies/katex/katex.js | |
parent | e101b2cf7c172d1c4ff20e0df63917b5b8f923ed (diff) | |
parent | cba59d4eb6ef0f65304bc72339c676ebfd653e2b (diff) | |
download | chat-b9d5b4e5dcc1585397f1e1d2e53c5f040ee76220.tar.gz chat-b9d5b4e5dcc1585397f1e1d2e53c5f040ee76220.tar.bz2 chat-b9d5b4e5dcc1585397f1e1d2e53c5f040ee76220.zip |
merging files
Diffstat (limited to 'webapp/non_npm_dependencies/katex/katex.js')
-rw-r--r-- | webapp/non_npm_dependencies/katex/katex.js | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/webapp/non_npm_dependencies/katex/katex.js b/webapp/non_npm_dependencies/katex/katex.js new file mode 100644 index 000000000..4d64606bf --- /dev/null +++ b/webapp/non_npm_dependencies/katex/katex.js @@ -0,0 +1,74 @@ +/* eslint no-console:0 */ +/** + * This is the main entry point for KaTeX. Here, we expose functions for + * rendering expressions either to DOM nodes or to markup strings. + * + * We also expose the ParseError class to check if errors thrown from KaTeX are + * errors in the expression, or errors in javascript handling. + */ + +var ParseError = require("./src/ParseError"); +var Settings = require("./src/Settings"); + +var buildTree = require("./src/buildTree"); +var parseTree = require("./src/parseTree"); +var utils = require("./src/utils"); + +/** + * Parse and build an expression, and place that expression in the DOM node + * given. + */ +var render = function(expression, baseNode, options) { + utils.clearNode(baseNode); + + var settings = new Settings(options); + + var tree = parseTree(expression, settings); + var node = buildTree(tree, expression, settings).toNode(); + + baseNode.appendChild(node); +}; + +// KaTeX's styles don't work properly in quirks mode. Print out an error, and +// disable rendering. +if (typeof document !== "undefined") { + if (document.compatMode !== "CSS1Compat") { + typeof console !== "undefined" && console.warn( + "Warning: KaTeX doesn't work in quirks mode. Make sure your " + + "website has a suitable doctype."); + + render = function() { + throw new ParseError("KaTeX doesn't work in quirks mode."); + }; + } +} + +/** + * Parse and build an expression, and return the markup for that. + */ +var renderToString = function(expression, options) { + var settings = new Settings(options); + + var tree = parseTree(expression, settings); + return buildTree(tree, expression, settings).toMarkup(); +}; + +/** + * Parse an expression and return the parse tree. + */ +var generateParseTree = function(expression, options) { + var settings = new Settings(options); + return parseTree(expression, settings); +}; + +module.exports = { + render: render, + renderToString: renderToString, + /** + * NOTE: This method is not currently recommended for public use. + * The internal tree representation is unstable and is very likely + * to change. Use at your own risk. + */ + __parse: generateParseTree, + ParseError: ParseError, +}; |