Interface EnvFunction

Callable

• __call(): string
• __call(envName: string | ReadonlyArray<string>): boolean
• __call<T>(envCallback: function): T

• Since NODE_ENV is a fairly common way to toggle behavior, Babel also includes an API function meant specifically for that. This API is used as a quick way to check the "envName" that Babel was loaded with, which takes NODE_ENV into account if no other overriding environment is set.

  Returns string

  the current envName string

• Since NODE_ENV is a fairly common way to toggle behavior, Babel also includes an API function meant specifically for that. This API is used as a quick way to check the "envName" that Babel was loaded with, which takes NODE_ENV into account if no other overriding environment is set.

  Parameters

  • envName: string | ReadonlyArray<string>

  Returns boolean

  true if the envName is === any of the given strings

• Since NODE_ENV is a fairly common way to toggle behavior, Babel also includes an API function meant specifically for that. This API is used as a quick way to check the "envName" that Babel was loaded with, which takes NODE_ENV into account if no other overriding environment is set.

  Type parameters

  • T: SimpleCacheKey

  Parameters

  • envCallback: function

    • • (envName: NonNullable<undefined | string>): T

      • Parameters

        • envName: NonNullable<undefined | string>

        Returns T

  Returns T