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import { type Range, RangeSet, type TransactionSpec } from '@codemirror/state';
import { Decoration } from '@codemirror/view';
import defineDecorationSetExtension from './defineDecorationSetExtension';
export interface IOccurrence {
from: number;
to: number;
}
const [setOccurrencesInteral, findOccurrences] = defineDecorationSetExtension();
const writeDecoration = Decoration.mark({
class: 'cm-problem-write',
});
const readDecoration = Decoration.mark({
class: 'cm-problem-read',
});
export function setOccurrences(
write: IOccurrence[],
read: IOccurrence[],
): TransactionSpec {
const decorations: Range<Decoration>[] = [];
write.forEach(({ from, to }) => {
decorations.push(writeDecoration.range(from, to));
});
read.forEach(({ from, to }) => {
decorations.push(readDecoration.range(from, to));
});
const rangeSet = RangeSet.of(decorations, true);
return setOccurrencesInteral(rangeSet);
}
export default findOccurrences;
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