diff options
Diffstat (limited to 'subprojects/frontend/src/editor/findOccurrences.ts')
-rw-r--r-- | subprojects/frontend/src/editor/findOccurrences.ts | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/subprojects/frontend/src/editor/findOccurrences.ts b/subprojects/frontend/src/editor/findOccurrences.ts new file mode 100644 index 00000000..92102746 --- /dev/null +++ b/subprojects/frontend/src/editor/findOccurrences.ts | |||
@@ -0,0 +1,35 @@ | |||
1 | import { Range, RangeSet } from '@codemirror/rangeset'; | ||
2 | import type { TransactionSpec } from '@codemirror/state'; | ||
3 | import { Decoration } from '@codemirror/view'; | ||
4 | |||
5 | import { decorationSetExtension } from './decorationSetExtension'; | ||
6 | |||
7 | export interface IOccurrence { | ||
8 | from: number; | ||
9 | |||
10 | to: number; | ||
11 | } | ||
12 | |||
13 | const [setOccurrencesInteral, findOccurrences] = decorationSetExtension(); | ||
14 | |||
15 | const writeDecoration = Decoration.mark({ | ||
16 | class: 'cm-problem-write', | ||
17 | }); | ||
18 | |||
19 | const readDecoration = Decoration.mark({ | ||
20 | class: 'cm-problem-read', | ||
21 | }); | ||
22 | |||
23 | export function setOccurrences(write: IOccurrence[], read: IOccurrence[]): TransactionSpec { | ||
24 | const decorations: Range<Decoration>[] = []; | ||
25 | write.forEach(({ from, to }) => { | ||
26 | decorations.push(writeDecoration.range(from, to)); | ||
27 | }); | ||
28 | read.forEach(({ from, to }) => { | ||
29 | decorations.push(readDecoration.range(from, to)); | ||
30 | }); | ||
31 | const rangeSet = RangeSet.of(decorations, true); | ||
32 | return setOccurrencesInteral(rangeSet); | ||
33 | } | ||
34 | |||
35 | export { findOccurrences }; | ||