Function run

scripts/plugin-contribution.js:13–98

(inputFile)

run(process.argv[2]);

function run(inputFile) {
  const input = fs.readFileSync(inputFile).toString();
  const table = new Table(
    Object.assign(
      {
        head: [
          "name",
          "output(bytes)",
          "output gzip(bytes)",
          "raw compression (%)",
          "gzip win (%)",
          "gzip % (%)",
          "parse time Δ (ms)"
        ]
      },
      tableStyle()
    )
  );

  const baseOutput = transformSync(input, {
    minified: true,
    babelrc: false,
    configFile: false,
    compact: true,
    comments: false
  }).code;

  const baseGzip = zlib.gzipSync(baseOutput);

  const baseParseTime = getParseTime(baseOutput);

  const plugins = getPlugins();
  let current = 1;

  plugins.forEach(({ name, plugin }) => {
    process.stdout.write(`Plugin ${current++}/${plugins.length}\r`);

    const output = transformSync(baseOutput, {
      plugins: [plugin],
      minified: true,
      babelrc: false,
      configFile: false,
      compact: true,
      comments: false
    }).code;

    const gzippedOutput = zlib.gzipSync(output);

    const parseTime = getParseTime(output);

    const percentage = (1 - len(output) / len(baseOutput)) * 100;
    const gzipWin = (1 - len(gzippedOutput) / len(baseGzip)) * 100;
    const gzipPercentage = (1 - len(gzippedOutput) / len(output)) * 100;

    const parseTimeDiff = baseParseTime - parseTime;

    table.push([
      name.split("babel-plugin-")[1],