Function deriveSourceText

packages/utils/src/bitauth-script.ts:208–219

(tag: SourceTagEntry, locationData: FullLocationData, sourceLines: string[])

}

function deriveSourceText(tag: SourceTagEntry, locationData: FullLocationData, sourceLines: string[]): string {
  const headerLine = getDisplayLine(locationData[tag.startIndex]);
  const singleLineLocations = range(tag.startIndex, tag.endIndex)
    .map((idx) => locationData[idx].location)
    .filter((loc) => loc.start.line === loc.end.line && loc.start.column !== loc.end.column);

  if (singleLineLocations.length === 0) return '';

  const startCol = Math.min(...singleLineLocations.map((loc) => loc.start.column));
  const endCol = Math.max(...singleLineLocations.map((loc) => loc.end.column));
  return sourceLines[headerLine - 1].substring(startCol, endCol).trim();
}