| 1 | /**
|
| 2 | * Flag indicating if the code is executing within a browser environment.
|
| 3 | */
|
| 4 | export const IS_BROWSER = typeof window !== 'undefined';
|
| 5 |
|
| 6 | /**
|
| 7 | * The environment the application is running within.
|
| 8 | */
|
| 9 | export const NODE_ENV = IS_BROWSER
|
| 10 | ? 'browser'
|
| 11 | : process.env.NODE_ENV || 'development';
|
| 12 |
|
| 13 | /**
|
| 14 | * Flag indicating whether the application is running with a
|
| 15 | * "development" context (eg. a local development server).
|
| 16 | */
|
| 17 | export const IS_DEV = IS_BROWSER
|
| 18 | ? window && window.location.hostname === 'localhost'
|
| 19 | : NODE_ENV !== 'production' && NODE_ENV !== 'prod';
|
| 20 | export const IS_PROD = !IS_DEV;
|
| 21 |
|
| 22 | /**
|
| 23 | * Flag indicating if currently running within the storybook runtime.
|
| 24 | */
|
| 25 | export const IS_STORYBOOK =
|
| 26 | IS_BROWSER &&
|
| 27 | window.frameElement &&
|
| 28 | window.frameElement.id.startsWith('storybook');
|