release_workspace script in langchainjs source code.

   "release": "node release_workspace.js --workspace"

npm run release

main().catch((error) => {
  console.error(error);
  process.exit(1);
});

async function main() {
  const program = new Command();
  program
    .description("Release a new workspace version to NPM.")
    .option("--workspace <workspace>", "Workspace name, eg @langchain/core")
    .option(
      "--bump-deps",
      "Whether or not to bump other workspaces that depend on this one."
    )
    .option("--tag <tag>", "Optionally specify a tag to publish to.");

  program.parse();

  /**
   * @type {{ workspace: string, bumpDeps?: boolean, tag?: string }}
   */
  const options = program.opts();
  if (!options.workspace) {
    throw new Error("--workspace is a required flag.");
  }

 const program = new Command();

const { Command } = require("commander");

/**
 * Handles execSync errors and logs them in a readable format.
 * @param {string} command
 * @param {{ doNotExit?: boolean }} [options] - Optional configuration
 * @param {boolean} [options.doNotExit] - Whether or not to exit the process on error
 */
function execSyncWithErrorHandling(command, options = {}) {
  try {
    execSync(
      command,
      { stdio: "inherit" } // This will stream output in real-time
    );
  } catch (error) {
    console.error(error.message);
    if (!options.doNotExit) {
      process.exit(1);
    }
  }
}

const { execSync } = require("child_process");