Function: custom()

function custom<T>(
   key, 
   validator, 
   options?): T;

Get the specified env variable value with custom validator.

Type Parameters

T

T = any

Parameters

key

string

The environment variable key.

validator

(key, value, options) => T

The custom validation function.

options?

Options for retrieving the value.

Options | T

Returns

T

The validated value of the environment variable.