E:\code\stability-ts>yarn build
yarn run v1.22.4
$ yarn clean
$ rimraf .build
$ ttsc -p ./tsconfig.json
$ chmod +x .build/bin.js
'chmod' is not recognized as an internal or external command,
operable program or batch file.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.