Function reporter

index.js:34–91

(analysis, opts)

};

const reporter = (analysis, opts) => {
  const { hideDeps, root, showExports, summaryOnly } = opts || {};

  let formatted = '' +
    `${borderX}` +
    'Rollup File Analysis\n' +
    `${borderX}` +
    `bundle size:    ${formatBytes(analysis.bundleSize)}\n` +
    `original size:  ${formatBytes(analysis.bundleOrigSize)}\n` +
    `code reduction: ${analysis.bundleReduction} %\n` +
    `module count:   ${analysis.moduleCount}\n` +
    '\n';

  analysis.modules.forEach((m, i) => {
    const id = m.id.replace(/\\/g, '/');
    const size = formatBytes(m.size);
    const percentInt = parseInt(m.percent, 10);
    const percentFilled = (percentInt ? parseInt(percentInt / 2, 10) : 0) + 1;
    const percentEmpty = 52 - percentFilled;
    const barFilled = `${Array(percentFilled).join('\u2588')}`;
    const barEmpty = `${Array(percentEmpty).join('\u2591')}`;
    const rawBar = `${barFilled}${barEmpty}`;
    const summaryBar = `${id}\n${rawBar} ${m.percent} % (${size})`;
    const bar = !summaryOnly ? rawBar : summaryBar;

    const detailed = !summaryOnly && '' +
      `${bar}\n` +
      `file:           ${buf}${id}\n` +
      `bundle space:   ${buf}${m.percent} %\n` +
      `rendered size:  ${buf}${size}\n` +
      `original size:  ${buf}${formatBytes(m.origSize || 'unknown')}\n` +
      `code reduction: ${buf}${m.reduction} %\n` +
      `dependents:     ${buf}${m.dependents.length}\n`;

    formatted += summaryOnly ? `${bar}\n` : detailed;

    if (!hideDeps && !summaryOnly) {
      m.dependents.forEach((d) => {
        formatted += `${tab}-${buf}${d.replace(root, '').replace(/\\/g, '/')}\n`;
      });
    }

    if (showExports && m.renderedExports && m.removedExports && !summaryOnly) {
      formatted += `used exports:   ${buf}${m.renderedExports.length}\n`;
      m.renderedExports.forEach((e) => {
        formatted += `${tab}-${buf}${e}\n`;
      });
      formatted += `unused exports: ${buf}${m.removedExports.length}\n`;
      m.removedExports.forEach((e) => {
        formatted += `${tab}-${buf}${e}\n`;
      });
    }

    formatted += summaryOnly ? '' : '\n';
  });

  return formatted
};