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stack/packages/mosaic/framework/skills/slidev/references/code-line-highlighting.md
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name, description
name description
line-highlighting Highlight specific lines in code blocks with static or click-based dynamic highlighting

Line Highlighting

Highlight specific lines in code blocks.

Static Highlighting

```ts {2,3}
function add(a: Ref<number> | number, b: Ref<number> | number) {
  return computed(() => unref(a) + unref(b));
}
```

Dynamic (Click-based)

Use | to separate stages:

```ts {2-3|5|all}
function add(a: Ref<number> | number, b: Ref<number> | number) {
  return computed(() => unref(a) + unref(b));
}
```

Click progression: lines 2-3 → line 5 → all lines

Special Values

  • hide - Hide the code block
  • none - Show code without highlighting
  • all - Highlight all lines
```ts {hide|none|all}
// Hidden → No highlight → All highlighted
```