Function formatModules

utils/format-modules.js:43–78

(mods)

}

function formatModules(mods) {
  // We _could_ use the `asset.meta.full` from inspectpack, but that is for
  // the entire module with boilerplate included. We instead do a percentage
  // of the files we're counting here.
  const assetSize = mods.reduce((count, mod) => count + mod.size.full, 0);

  // First, process the modules into a map to normalize file paths.
  const modsMap = mods.reduce((memo, mod) => {
    // File name collapses to packages for dependencies.
    // Aggregate into object.
    const fileName = _formatFileName(mod);

    // Add in information.
    memo[fileName] = memo[fileName] || {
      fileName,
      num: 0,
      size: 0
    };
    memo[fileName].num += 1;
    memo[fileName].size += mod.size.full;

    return memo;
  }, {});

  return [].concat(
    [["Name", "Size", "Percent"]],
    Object.keys(modsMap)
      .map(fileName => modsMap[fileName])
      .sort((a, b) => a.size < b.size) // sort largest first
      .map(mod => [
        `${mod.fileName} ${mod.num > 1 ? `(${mod.num})` : ""}`,
        filesize(mod.size),
        _formatPercentage(mod.size, assetSize)
      ])
  );
}

module.exports = {
  formatModules,