Function generateFunctionMap

packages/metro-source-map/src/generateFunctionMap.js:82–89

* Generate a map of source positions to function names. The names are meant to * describe the stack frame in an error trace and may contain more contextual * information than just the actual name of the function. * * The output is encoded for use in a source map. For details about the format, *

(
  ast: BabelNode,
  context?: Context,
)

 * see MappingEncoder below.
 */
function generateFunctionMap(
  ast: BabelNode,
  context?: Context,
): FBSourceFunctionMap {
  const encoder = new MappingEncoder();
  forEachMapping(ast, context, mapping => encoder.push(mapping));
  return encoder.getResult();
}

/**
 * Same as generateFunctionMap, but returns the raw array of mappings instead