malice

import assert from 'node:assert/strict';

import { test } from 'node:test';

import { formatBody, insideOpenFence } from '../src/lib/markdown.ts';

test('plain text stays unformatted', () => {

  assert.equal(formatBody('hello\nthere', [], true), null);

  assert.equal(formatBody('**bold**', [], false), null);

});

test('renders the common chat markdown', () => {

  assert.equal(formatBody('*it* **bold** ~~gone~~', [], true), '<p><em>it</em> <strong>bold</strong> <del>gone</del></p>');

  assert.equal(formatBody('> quoted\nstill', [], true), '<blockquote>\n<p>quoted<br>still</p>\n</blockquote>');

  assert.equal(formatBody('run `ls <x>`', [], true), '<p>run <code>ls &lt;x&gt;</code></p>');

  assert.equal(

    formatBody('```js\nlet a = "<b>";\n```', [], true),

    '<pre><code class="language-js">let a = &quot;&lt;b&gt;&quot;;\n</code></pre>'

  );

});

test('raw html is escaped, not passed through', () => {

  assert.equal(formatBody('<b>hi</b> **x**', [], true), '<p>&lt;b&gt;hi&lt;/b&gt; <strong>x</strong></p>');

  assert.equal(formatBody('<script>alert(1)</script>', [], true), '&lt;script&gt;alert(1)&lt;/script&gt;');

});

test('enter stays a newline inside an open fence', () => {

  assert.equal(insideOpenFence('```\ncode', 8), true);

  assert.equal(insideOpenFence('```\ncode\n```\n', 13), false);

  assert.equal(insideOpenFence('say ``` mid line', 16), false);

});