module
io
Source: io/
Method
inner
envOr(key, defaultValue, postProcessor, env) → any type
Returns and parses an environment var and if does not exists returns the default value
Example
//No environment var
envOr('db','localhost'); //-> localhost
envOr('DB','localhost'); //-> localhost
//PORT=3000
envOr('port',8080); //-> 3000
envOr('port',8080,parseFloat); //-> 3000 (float)Parameters
| Name | Type | Optional | Description |
|---|---|---|---|
|
key |
String |
|
key to get from our environment variables |
|
defaultValue |
any type |
|
default value to be returned if key not found |
|
postProcessor |
function() |
|
process the value once getted. |
|
env |
Object |
|
io source to read environment vars from |
- Returns
-
any type