Function run

packages/purgecss/src/bin.ts:145–175

(program: Command)

}

export async function run(program: Command) {
  const options = await getOptions(program);
  const { preservePaths, ...purgeOptions } = options;
  const purged = await new PurgeCSS().purge(purgeOptions);

  // output results in specified directory
  if (options.output) {
    if (purged.length === 1 && options.output.endsWith(".css")) {
      await writeCSSToFile(options.output, purged[0].css);
      return;
    }

    for (const purgedResult of purged) {
      let outputPath: string;
      if (preservePaths && purgedResult?.file) {
        // Preserve the folder hierarchy
        outputPath = `${options.output}/${purgedResult.file}`;
      } else {
        // Default behavior: flatten to just the filename
        const fileName = purgedResult?.file?.split("/").pop();
        outputPath = `${options.output}/${fileName}`;
      }
      // Ensure the directory exists
      const dir = outputPath.substring(0, outputPath.lastIndexOf("/"));
      await fs.promises.mkdir(dir, { recursive: true });
      await writeCSSToFile(outputPath, purgedResult.css);
    }
  } else {
    console.log(JSON.stringify(purged));
  }
}

export async function main() {
  try {