Function maybeCacheGeneratedSourceMap

lib/internal/source_map/source_map_cache.js:206–227

* Caches the source map if it is present in the eval'd source. * @param {string} content - the eval'd source code

(content)

 * @param {string} content - the eval'd source code
 */
function maybeCacheGeneratedSourceMap(content) {
  const support = getSourceMapsSupport();
  if (!(process.env.NODE_V8_COVERAGE || support.enabled || support.generated)) return;

  const sourceURL = extractSourceURLMagicComment(content);
  if (sourceURL === null) {
    return;
  }
  const sourceMapURL = extractSourceMapURLMagicComment(content);
  if (sourceMapURL === null) {
    return;
  }

  try {
    // Use the sourceURL as the filename, and do not create a duplicate entry.
    maybeCacheSourceMap(sourceURL, content, null, true, undefined /** no duplicated sourceURL */, sourceMapURL);
  } catch (err) {
    // This can happen if the filename is not a valid URL.
    // If we fail to cache the source map, we should not fail the whole process.
    debug(err);
  }
}

/**
 * Resolves source map payload data from the source url and source map url.