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How to use the metro.sourceMaps function in metro

To help you get started, we’ve selected a few metro examples, based on popular ways it is used in public projects.

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facebook / flipper / scripts / metro-transform.js View on Github

const result = generate(
    ast,
    {
      filename,
      sourceFileName: filename,
      sourceMaps: true,
    },
    src,
  );

  return {
    ast,
    code: result.code,
    filename,
    map: result.rawMappings.map(metro.sourceMaps.compactMapping),
  };
};