Function stripOptionalNotation

tools/entryGenerator.js:548–552

(dependency)

}

function stripOptionalNotation (dependency) {
  return dependency && dependency[0] === '?'
    ? dependency.slice(1)
    : dependency
}

// function will check if a directory exists, and create it if it doesn't
// https://blog.raananweber.com/2015/12/15/check-if-a-directory-exists-in-node-js/