stack/v1/packages/mosaic/framework/skills/slidev/references/code-line-numbers.md

name, description

name	description
line-numbers	Enable line numbering for code blocks globally or per-block

Code Block Line Numbers

Enable line numbering for code blocks.

Global Setting

Enable for all code blocks in headmatter:

---
lineNumbers: true
---

Per-Block Setting

```ts {6,7}{lines:true,startLine:5}
function add(a: Ref<number> | number, b: Ref<number> | number) {
  return computed(() => unref(a) + unref(b));
}
```

Options

• lines: true/false - Enable/disable line numbers
• startLine: number - Starting line number (default: 1)

With Line Highlighting

Use {*} as placeholder when combining with other features:

```ts {*}{lines:true,startLine:5}
// code here
```