` with [openchemlib](https://github.com/cheminfo/openchemlib-js). ## Install [npm][]: ```sh npm install rehype-smiles ``` ## Use Say we have the following file, `example.html`: ```markdown Ethanol (€CCO€) €€C1CCCC1C€€ ``` And our script, `example.js`, looks as follows: ```js const fs = require('fs') const unified = require('unified') const markdown = require('remark-parse') const remarkSmiles = require('remark-smiles') const remark2rehype = require('remark-rehype') const rehypeSmiles = require('rehype-smiles') const stringify = require('rehype-stringify') unified() .use(markdown) .use(remarkSmiles) .use(remark2rehype) .use(rehypeSmiles) .use(stringify) .process( fs.readFileSync('./example.md', 'utf-8').toString(), function (err, file) { if (err) throw err console.log(String(file)) } ) ``` Now, running `node example` yields: ```html

Ethanol ()

``` ## API ### `rehype().use(smiles[, options])` Transform `` and `

` with [openchemlib](https://github.com/cheminfo/openchemlib-js). ## Security Use of `rehype-smiles` renders user content with [openchemlib](https://github.com/cheminfo/openchemlib-js), so any vulnerability in [openchemlib](https://github.com/cheminfo/openchemlib-js) can open you to a [cross-site scripting (XSS)][xss] attack. Always be wary of user input and use [`rehype-sanitize`][rehype-sanitize]. [npm]: https://docs.npmjs.com/cli/install [rehype]: https://github.com/rehypejs/rehype [xss]: https://en.wikipedia.org/wiki/Cross-site_scripting [rehype-sanitize]: https://github.com/rehypejs/rehype-sanitize