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classroomio/apps/backend/src/routes/katex.js
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const express = require('express');
// https://ben.page/node-latex-to-html
const katex = require('katex');
const router = express.Router();
// localhost:3002/katex
router.get('/', async (req, res) => {
const original = req._parsedUrl.search;
const latexString = original.replace('?', '').replaceAll('+', '+').replaceAll('&space;', '');
console.log({ latexString });
const html = katex.renderToString(latexString, {
throwOnError: false,
output: 'mathml'
});
console.log({ html });
res.send(html);
});
module.exports = router;