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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| // initial value | ||
| const searchParams = new URLSearchParams(window.location.search) | ||
| if (searchParams.has('input') && !(searchParams.get('input')=="")) { | ||
| var initialInput = searchParams.get('input'); | ||
| } else { | ||
| var initialInput = `Hello! | ||
| \\begin{align} | ||
| f(x) &= x + 1 \\\\ | ||
| g(x) &= x - 1 | ||
| \\end{align} | ||
| Start writing! | ||
| `; | ||
| } | ||
|
|
||
| // setup editor | ||
| require.config({ paths: { vs: "./node_modules/monaco-editor/min/vs" } }); | ||
| require(["vs/editor/editor.main"], function () { | ||
| // LaTeX language definition | ||
| // https://github.com/microsoft/monaco-editor/issues/3233 | ||
| // https://github.com/koka-lang/madoko/blob/master/styles/lang/latex.json | ||
| monaco.languages.register({ id: 'latex' }); | ||
| monaco.languages.setMonarchTokensProvider("latex", { | ||
| "displayName": "Latex", | ||
| "name": "latex", | ||
| "mimeTypes": ["text/latex","text/tex"], | ||
| "fileExtensions": ["tex","sty","cls"], | ||
|
|
||
| "lineComment": "% ", | ||
|
|
||
| "builtin": [ | ||
| "addcontentsline", "addtocontents", "addtocounter", "address", "addtolength", "addvspace", "alph", "appendix", | ||
| "arabic", "author", "backslash", "baselineskip", "baselinestretch", "bf", "bibitem", "bigskipamount", "bigskip", | ||
| "boldmath", "boldsymbol", "cal", "caption", "cdots", "centering", "chapter", "circle", "cite", "cleardoublepage", | ||
| "clearpage", "cline", "closing", "color", "copyright", "dashbox", "date", "ddots", "documentclass", "dotfill", "em", | ||
| "emph", "ensuremath", "epigraph", "euro", "fbox", "flushbottom", "fnsymbol", "footnote", "footnotemark", | ||
| "footnotesize", "footnotetext", "frac", "frame", "framebox", "frenchspacing", "hfill", "hline", "href", "hrulefill", | ||
| "hspace", "huge", "Huge", "hyphenation", "include", "includegraphics", "includeonly", "indent", "input", "it", "item", | ||
| "kill", "label", "large", "Large", "LARGE", "LaTeX", "LaTeXe", "ldots", "left", "lefteqn", "line", "linebreak", | ||
| "linethickness", "linewidth", "listoffigures", "listoftables", "location", "makebox", "maketitle", "markboth", | ||
| "mathcal", "mathop", "mbox", "medskip", "multicolumn", "multiput", "newcommand", "newcolumntype", "newcounter", | ||
| "newenvironment", "newfont", "newlength", "newline", "newpage", "newsavebox", "newtheorem", "nocite", "noindent", | ||
| "nolinebreak", "nonfrenchspacing", "normalsize", "nopagebreak", "not", "onecolumn", "opening", "oval", "overbrace", | ||
| "overline", "pagebreak", "pagenumbering", "pageref", "pagestyle", "par", "paragraph", "parbox", "parindent", "parskip", | ||
| "part", "protect", "providecommand", "put", "raggedbottom", "raggedleft", "raggedright", "raisebox", "ref", | ||
| "renewcommand", "right", "rm", "roman", "rule", "savebox", "sbox", "sc", "scriptsize", "section", "setcounter", | ||
| "setlength", "settowidth", "sf", "shortstack", "signature", "sl", "slash", "small", "smallskip", "sout", "space", "sqrt", | ||
| "stackrel", "stepcounter", "subparagraph", "subsection", "subsubsection", "tableofcontents", "telephone", "TeX", | ||
| "textbf", "textcolor", "textit", "textmd", "textnormal", "textrm", "textsc", "textsf", "textsl", "texttt", "textup", | ||
| "textwidth", "textheight", "thanks", "thispagestyle", "tiny", "title", "today", "tt", "twocolumn", "typeout", "typein", | ||
| "uline", "underbrace", "underline", "unitlength", "usebox", "usecounter", "uwave", "value", "vbox", "vcenter", "vdots", | ||
| "vector", "verb", "vfill", "vline", "vphantom", "vspace", | ||
|
|
||
| "RequirePackage", "NeedsTeXFormat", "usepackage", "input", "include", "documentclass", "documentstyle", | ||
| "def","edef","defcommand","if","ifdim","ifnum","ifx","fi","else","begingroup","endgroup", | ||
| "definecolor","textcolor","color", | ||
| "eifstrequal","eeifstrequal" | ||
| ], | ||
| "tokenizer": { | ||
| "root": [ | ||
| ["(\\\\begin)(\\s*)(\\{)([\\w\\-\\*\\@]+)(\\})", | ||
| ["keyword.predefined","white","@brackets",{ "token": "tag.env-$4", "bracket": "@open" },"@brackets"]], | ||
| ["(\\\\end)(\\s*)(\\{)([\\w\\-\\*\\@]+)(\\})", | ||
| ["keyword.predefined","white","@brackets",{ "token": "tag.env-$4", "bracket": "@close" }, "@brackets" ]], | ||
| ["\\\\[^a-zA-Z@]", "keyword" ], | ||
| ["\\@[a-zA-Z@]+", "keyword.at" ], | ||
| ["\\\\([a-zA-Z@]+)", { "cases": { | ||
| "$1@builtin": "keyword.predefined", | ||
| "@default": "keyword" | ||
| }}], | ||
| { "include": "@whitespace" }, | ||
| ["[{}()\\[\\]]", "@brackets"], | ||
| ["#+\\d", "number.arg"], | ||
| ["\\-?(?:\\d+(?:\\.\\d+)?|\\.\\d+)\\s*(?:em|ex|pt|pc|sp|cm|mm|in)", "number.len"] | ||
| ], | ||
|
|
||
| "whitespace": [ | ||
| ["[ \\t\\r\\n]+", "white"], | ||
| ["%.*$", "comment"] | ||
| ] | ||
| } | ||
| }); | ||
| // create editor | ||
| var editor = monaco.editor.create( | ||
| document.getElementById("input"), | ||
| { | ||
| value: initialInput, | ||
| language: "latex", | ||
| automaticLayout: true, | ||
| } | ||
| ); | ||
| // editor.layout({ width, height: contentHeight }); | ||
| // first preview | ||
| math(editor.getValue()); | ||
| // onInput preview | ||
| editor.getModel().onDidChangeContent((event) => { | ||
| console.log(editor.getValue()); | ||
| math(editor.getValue()); | ||
| }); | ||
| }); | ||
|
|
||
| // update LaTeX viewer | ||
| function math(input) { | ||
| // update URL | ||
| let url = new URL(window.location.href); | ||
| let params = url.searchParams; | ||
| params.set('input', input); | ||
| history.pushState(null, null, url); | ||
| // escape | ||
| input = input.replace(/</g, "<"); | ||
| input = input.replace(/>/g, ">"); | ||
| document.getElementById('output').innerHTML = input; | ||
| // https://qiita.com/kosuke_shimizu/items/187467354c32a7e18d07 | ||
| // https://docs.mathjax.org/en/v3.2-latest/web/typeset.html#handling-asynchronous-typesetting | ||
| MathJax.typesetPromise().then(() => { | ||
| // modify the DOM here | ||
| MathJax.typesetPromise(); | ||
| }).catch((err) => console.log(err.message)); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,6 @@ | ||
| { | ||
| "dependencies": { | ||
| "mathjax": "^3.2.2" | ||
| "mathjax": "^3.2.2", | ||
| "monaco-editor": "^0.52.0" | ||
| } | ||
| } |