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'use-strict';
const dirTree = require('directory-tree');
const express = require('express');
const fs = require('fs');
const app = express();
const path = 'md';
process.on('uncaughtException', function(err) {
console.error("[" + new Date() + "] > " + "Error - " + err);
});
const report = require('vfile-reporter');
const guide = require('remark-preset-lint-markdown-style-guide');
const html = require('remark-rehype');
const kbd = require('remark-kbd');
const math = require('remark-math');
const mermaid = require('remark-mermaid-simple');
const highlight = require('remark-highlight.js');
const sb = require('remark-special-box');
const qcm = require('remark-qcm');
const lineInput = require('remark-line-input');
const textInput = require('remark-text-input');
const raw = require('rehype-raw');
const rehypeKatex = require('rehype-katex')
const rehypeStringify = require('rehype-stringify')
const unified = require('unified');
const remark = require('remark-parse');
const inspect = require('unist-util-inspect');
const useLandScript = " <script> mermaid.contentLoaded(); </script>"
const userSide_Button = '<button class="raw_button" ><div><div>Raw</div></div></button></form>'
app.use(express.static('public'));
app.get('/' + path + '/*', function(req, res) {
var url = decodeURI(req._parsedUrl.pathname);
var query = req.query;
console.log("[" + new Date() + "] > " + "200 - " + url);
if( query && query['raw'] == 'true' ) {
res.sendFile(url, { root: '.',
dotfiles:'deny',
headers: {
'x-timestamp': Date.now(),
'x-sent': true} }, function(err) {
if( err ) {
next(err);
} else {
console.log("Sent : ", url);
}
});
return;
}
fs.readFile(url.substr(1), 'utf8', function(err, data) {
if (err)
return console.log(err);
// remark()
/* Debbug comment
const a = unified()
.use(remark)
.use(mermaid)
.use(lineInput)
.use(textInput)
.use(html, {allowDangerousHTML: true})
.use(raw)
.parse(data)
console.log(inspect(a));
*/
unified()
.use(remark)
// .use(guide)
.use(mermaid)
.use(lineInput)
// .use(textInput)
.use(math)
.use(kbd)
.use(sb)
.use(qcm)
.use(highlight)
.use(html, {allowDangerousHTML: true})
.use(rehypeKatex)
.use(raw)
.use(rehypeStringify)
.process(data, function (err, file) {
res.send(String(file) + useLandScript +
'<a href="' + url + '?raw=true" class="no-style">' + userSide_Button + '</a>');
console.error(report(err || file));
});
});
});
app.get('/data', function(req, res) {
console.log("[" + new Date() + "] > " + "200 - " + req.url);
res.send(dirTree(path, {extensions:/\.md/}));
});
app.get('/img/*', function (req, res) {
console.log("[" + new Date() + "] > " + "200 - " + req.url);
if( path == '/img/ic_info_black_48px.svg' ||
path == '/imr/ic_error_black_48px.svg' ||
path == '/imr/ic_good_black_48px.svg' ||
path == '/imr/ic_bad_black_48px.svg' ||
path == '/imr/ic_comment_black_48px.svg' ||
path == '/imr/ic_help_black_48px.svg' ) {
const img = fs.readFileSync(path);
res.writeHead(200, {'Content-Type': 'image/svg' });
res.end(img, 'binary');
}else {
const img = fs.readFileSync(req.url.replace('/img', path));
res.writeHead(200, {'Content-Type': 'image/gif' });
res.end(img, 'binary');
}
});
app.get('/', function(req, res) {
console.log("[" + new Date() + "] > " + "200 - " + req.url);
fs.readFile('public/index.html', 'utf8', function(err, data) {
if (err)
return console.log(err);
res.send(data);
});
});
app.get('*', function(req, res) {
console.error("[" + new Date() + "] > " + "404 - " + req.url);
fs.readFile('public/404.md', 'utf8', function(err, data) {
if (err)
return console.log(err);
fs.readFile('public/css/style.css', 'utf8', function(err, style) {
var html = '<html>';
html += '<head>';
html += '<style>' + style + '</style>';
html += '</head>';
html += '<body class=\'markdown-preview\' data-use-github-style>';
html += converter.makeHtml(data);
html += '</body>';
html += '</html>';
res.status(404).send(html);
});
});
});
var server = app.listen(8090, function() {
var host = server.address().address;
var port = server.address().port;
console.log("[" + new Date() + "] > " + "App listening at http://%s:%s", host, port);
});
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