Generate index.ts files for module exports

gistfile1.txt

import * as fs from "fs/promises";
import * as path from "path";

// usage (compiled)
// node dist/index-generator.js /home/jason/Development/project/src/moduledirectory

const generateIndex = async (folderPath: string) => {
  try {
    const files = await fs.readdir(folderPath);
    const exportStatements = files
      .filter((file) => file.endsWith(".ts"))
      .map((file) => {
        const fileNameWithoutExtension = path.basename(file, ".ts");
        return `export * from "./${fileNameWithoutExtension}";`;
      })
      .join("\n");

    const outputFile = path.join(folderPath, "index.ts");
    await fs.writeFile(outputFile, exportStatements);

    console.log(`Created ${outputFile} with export statements.`);
  } catch (error) {
    console.error("Error:", error);
  }
};

const main = async () => {
  const folderPath = process.argv[2];
  if (!folderPath) {
    console.error("Please provide a folder path as a command line argument.");
    return;
  }

  await generateIndex(folderPath);
};

main();