Function normalizeRanges

src/cm/colorView.ts:167–187

(ranges: readonly DocRange[])

}

function normalizeRanges(ranges: readonly DocRange[]): DocRange[] {
	if (!ranges.length) return [];
	const sorted = [...ranges]
		.map(({ from, to }) => {
			const rangeFrom = Math.max(0, from);
			return { from: rangeFrom, to: Math.max(rangeFrom, to) };
		})
		.sort((a, b) => a.from - b.from || a.to - b.to);
	const merged: DocRange[] = [];

	for (const range of sorted) {
		const last = merged[merged.length - 1];
		if (last && range.from <= last.to) {
			last.to = Math.max(last.to, range.to);
			continue;
		}
		merged.push(range);
	}

	return merged;
}

function mapRanges(
	ranges: readonly DocRange[],