Function typecheckProject

packages/cli-v3/src/commands/deploy.ts:1632–1681

(config: ResolvedConfig, options: DeployCommandOptions)

}

async function typecheckProject(config: ResolvedConfig, options: DeployCommandOptions) {
  return await tracer.startActiveSpan("typecheckProject", async (span) => {
    try {
      const typecheckSpinner = spinner();
      typecheckSpinner.start("Typechecking project");

      const tscTypecheck = execa("npm", ["exec", "tsc", "--", "--noEmit"], {
        cwd: config.projectDir,
      });

      const stdouts: string[] = [];
      const stderrs: string[] = [];

      tscTypecheck.stdout?.on("data", (chunk) => stdouts.push(chunk.toString()));
      tscTypecheck.stderr?.on("data", (chunk) => stderrs.push(chunk.toString()));

      try {
        await new Promise((resolve, reject) => {
          tscTypecheck.addListener("exit", (code) => (code === 0 ? resolve(code) : reject(code)));
        });
      } catch (error) {
        typecheckSpinner.stop(
          `Typechecking failed, check the logs below to view the issues. To skip typechecking, pass the --skip-typecheck flag`
        );

        logger.log("");

        for (const stdout of stdouts) {
          logger.log(stdout);
        }

        span.recordException(new Error(stdouts.join("\n")));
        span.end();

        return false;
      }

      typecheckSpinner.stop(`Typechecking passed with 0 errors`);

      span.end();
      return true;
    } catch (e) {
      recordSpanException(span, e);

      span.end();

      return false;
    }
  });
}

// Returns the dependencies that are required by the output that are found in output and the CLI package dependencies
// Returns the dependency names and the version to use (taken from the CLI deps package.json)