Function getSourceLine

lib/internal/source_map/source_map_cache.js:445–460

* Get the line of source in the source map. * @param {import('internal/source_map/source_map').SourceMap} sourceMap * @param {string} originalSourcePath path or url of the original source * @param {number} originalLine line number in the original source * @returns {string|undefined} source line

(
  sourceMap,
  originalSourcePath,
  originalLine,
)

 * @returns {string|undefined} source line if found
 */
function getSourceLine(
  sourceMap,
  originalSourcePath,
  originalLine,
) {
  const source = getOriginalSource(
    sourceMap.payload,
    originalSourcePath,
  );
  if (typeof source !== 'string') {
    return;
  }
  const lines = RegExpPrototypeSymbolSplit(/\r?\n/, source, originalLine + 1);
  const line = lines[originalLine];
  return line;
}

module.exports = {
  findSourceMap,