Env Helpers

Functions to to help retrieving values from process.env.

Install

npm install --save env-helpers
yarn add env-helpers
pnpm add env-helpers 

Functions

The functions are as follows:

envStr

Types

function envStr(key: string, defaultValue: string): string;
function envStr(key: string, defaultValue?: string): string | undefined;

Usage

envStr('FOO')               // string | undefined
envStr('FOO', 'Fallback')   // string

envInt

Types

function envInt(key: string, defaultValue: number, radix?: number = 10): number;
function envInt(key: string, defaultValue?: number, radix?: number = 10): number | undefined;

Usage

envInt('FOO'): number | undefined
envInt('FOO', 10, 16): number

envBoolean

Types

function envBool(key: string, defaultValue?: boolean): // boolean;

Usage

envBoolean('FOO'): boolean
envBoolean('FOO', false): boolean

envList

Types

function envList(key: string, defaultValue: string[]): string[];
function envList(key: string, defaultValue?: string[]): string[] | [];

Usage

envList('FOO'): string[] | []
envList('FOO', ['a','b','c']): string[]

envJSON

Types

function envJSON<T extends object>(key: string, defaultValue: T): T;
function envJSON<T extends object>(key: string, defaultValue?: T): T | undefined;

Usage

envJSON<{ [key: string]: string }>('FOO'): { [key: string]: string } | undefined
envJSON<{ biz: string }>('FOO', { biz: 'baz' }): { biz: string }