Function mapRanges

src/cm/colorView.ts:189–199

(
	ranges: readonly DocRange[],
	changes: ViewUpdate["changes"],
)

}

function mapRanges(
	ranges: readonly DocRange[],
	changes: ViewUpdate["changes"],
): DocRange[] {
	return normalizeRanges(
		ranges.map(({ from, to }) => ({
			from: changes.mapPos(from, -1),
			to: changes.mapPos(to, 1),
		})),
	);
}

function expandRangeToLines(doc: Text, from: number, to: number): DocRange {
	if (doc.length === 0) return { from: 0, to: 0 };