| 1 | --- |
| 2 | name: line-highlighting |
| 3 | description: Highlight specific lines in code blocks with static or click-based dynamic highlighting |
| 4 | --- |
| 5 | |
| 6 | # Line Highlighting |
| 7 | |
| 8 | Highlight specific lines in code blocks. |
| 9 | |
| 10 | ## Static Highlighting |
| 11 | |
| 12 | ````md |
| 13 | ```ts {2,3} |
| 14 | function add( |
| 15 | a: Ref<number> | number, |
| 16 | b: Ref<number> | number |
| 17 | ) { |
| 18 | return computed(() => unref(a) + unref(b)) |
| 19 | } |
| 20 | ``` |
| 21 | ```` |
| 22 | |
| 23 | ## Dynamic (Click-based) |
| 24 | |
| 25 | Use `|` to separate stages: |
| 26 | |
| 27 | ````md |
| 28 | ```ts {2-3|5|all} |
| 29 | function add( |
| 30 | a: Ref<number> | number, |
| 31 | b: Ref<number> | number |
| 32 | ) { |
| 33 | return computed(() => unref(a) + unref(b)) |
| 34 | } |
| 35 | ``` |
| 36 | ```` |
| 37 | |
| 38 | Click progression: lines 2-3 → line 5 → all lines |
| 39 | |
| 40 | ## Special Values |
| 41 | |
| 42 | - `hide` - Hide the code block |
| 43 | - `none` - Show code without highlighting |
| 44 | - `all` - Highlight all lines |
| 45 | |
| 46 | ````md |
| 47 | ```ts {hide|none|all} |
| 48 | // Hidden → No highlight → All highlighted |
| 49 | ``` |
| 50 | ```` |
| 51 |