@roots/bud/lib/cli/flags/mode/index.js

Configurable, extensible build tools for modern single and multi-page web applications

import { Option } from '@roots/bud-support/clipanion';
import { isLiteral, isOneOf } from '@roots/bud-support/typanion';
export default Option.String(`--mode`, undefined, {
    description: `Compilation mode`,
    validator: isOneOf([isLiteral(`production`), isLiteral(`development`)]),
});