Sync from a8e1c0a7402940e0fc5beef669522b315052df1blatest

1 files changed, 52 insertions, 0 deletions

diff --git a/packages/markdown/remark/test/highlight.test.js b/packages/markdown/remark/test/highlight.test.js
new file mode 100644
index 000000000..bcd2086b5
--- /dev/null
+++ b/packages/markdown/remark/test/highlight.test.js
@@ -0,0 +1,52 @@
+import assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+import { createMarkdownProcessor } from '../dist/index.js';
+
+describe('highlight', () => {
+	it('highlights using shiki by default', async () => {
+		const processor = await createMarkdownProcessor();
+		const { code } = await processor.render('```js\nconsole.log("Hello, world!");\n```');
+		assert.match(code, /background-color:/);
+	});
+
+	it('does not highlight math code blocks by default', async () => {
+		const processor = await createMarkdownProcessor();
+		const { code } = await processor.render('```math\n\\frac{1}{2}\n```');
+
+		assert.ok(!code.includes('background-color:'));
+	});
+
+	it('highlights using prism', async () => {
+		const processor = await createMarkdownProcessor({
+			syntaxHighlight: {
+				type: 'prism',
+			},
+		});
+		const { code } = await processor.render('```js\nconsole.log("Hello, world!");\n```');
+		assert.ok(code.includes('token'));
+	});
+
+	it('supports excludeLangs', async () => {
+		const processor = await createMarkdownProcessor({
+			syntaxHighlight: {
+				type: 'shiki',
+				excludeLangs: ['mermaid'],
+			},
+		});
+		const { code } = await processor.render('```mermaid\ngraph TD\nA --> B\n```');
+
+		assert.ok(!code.includes('background-color:'));
+	});
+
+	it('supports excludeLangs with prism', async () => {
+		const processor = await createMarkdownProcessor({
+			syntaxHighlight: {
+				type: 'prism',
+				excludeLangs: ['mermaid'],
+			},
+		});
+		const { code } = await processor.render('```mermaid\ngraph TD\nA --> B\n```');
+
+		assert.ok(!code.includes('token'));
+	});
+});