Gitter/nodejs

(async () => {
  try {
    program.argument("<env>", "the environment name").action((environmentName) => {
      let commonEnv;
      try {
        commonEnv = require(path.join(envsFolder, "common"));
      } catch {
        consola.info(`Unable to read "common" file`);
      }

      let specificEnv;
      try {
        specificEnv = require(path.join(envsFolder, environmentName));
      } catch {
        throw new Error(`Unable to read "${environmentName}" file`);
      }

      consola.info(`Environment: ${environmentName}`);

      const env = merge(commonEnv, specificEnv);
      consola.log(env);

      // Process env files
      const files = glob.sync(path.join(rootPath, "**", SAMPLE_ENV_FILENAME));
      files.forEach((source) => {
        const destination = path.join(path.dirname(source), ENV_FILENAME);
        let content = fs.readFileSync(source, "utf8");

        content = content.replace(/\{\{(.*?)\}\}/g, (_match, varPath) => {
          const value = get(env, varPath);
          if (typeof value === "undefined") {
            throw new Error(`Undefined variabile "${varPath}".`);
          }
          return value;
        });

        let currentContent;
        try {
          currentContent = fs.readFileSync(destination, { encoding: "utf8" });
        } catch (e) {}

        if (currentContent !== content) {
          fs.writeFileSync(destination, content, "utf8");
          consola.success(`${destination} file written successfully`);
        } else {
          consola.success(`${destination} file not changed`);
        }
      });
    });

    program.parse(process.argv);
  } catch (error) {
    consola.fatal(error.message);
    process.exit(1);
  }
})();