envix ⚙️

This library simplifies reading, transforming, and requiring environment variables across runtimes like Node.js, Deno, Bun.js, Browser, and more.

Table of Contents

• Installation
• Usage
  • write
  • read
  • readArray
  • readBool
  • readFloat
  • readInt
  • readNumber
  • readNumberArray
• Contributing
• License

Installation

npm install envix --save

Usage

Write

The write method makes it possible to set an environment variable retrospectively for later accesses.

import { write } from 'envix';

write('foo', 'bar');

Read

The read method accepts the key of the environment variable as the first argument and an alternative value as the second argument, which is returned if the variable does not exist. If no argument is passed, an object with all environment variables is returned.

import { read, write } from 'envix';

write('foo', 'bar');

read('foo'); // string | undefined
// bar

read('bar', 'baz'); // string
// baz

Read Array

The readArray method makes it possible to read an environment variable as a string array. A fallback value can be defined as the second argument.

import { readArray, write } from 'envix';

write('foo', 'bar,baz');

readArray('foo'); // string[] | undefined
// ['bar', 'baz']

readArray('bar', ['foo']); // string[]
// ['foo']

Read Bool

The readBool method makes it possible to read an environment variable as a boolean. A fallback value can be defined as the second argument.

import { readBool, write } from 'envix';

write('foo', 'true');

readBool('foo'); // boolean | undefined
// true

readBool('bar', false); // boolean
// false

Read Float

The readFloat method makes it possible to read an environment variable as a float. A fallback value can be defined as the second argument.

import { readFloat, write } from 'envix';

write('foo', '1');

readFloat('foo'); // number | undefined
// 1.0

readFloat('bar', 2.0); // number
// 2.0

Read Int

The readInt method makes it possible to read an environment variable as a integer. A fallback value can be defined as the second argument.

import { readInt, write } from 'envix';

write('foo', '1.0');

readInt('foo'); // number | undefined
// 1

readInt('bar', 2); // number
// 2

Read Number

The readNumber method makes it possible to read an environment variable as a number. A fallback value can be defined as the second argument.

import { readNumber, write } from 'envix';

write('foo', '1.0');

readNumber('foo'); // number | undefined
// 1.0

readNumber('bar', 2.0); // number
// 2.0

Read Number Array

The readNumberArray method makes it possible to read an environment variable as a number array. A fallback value can be defined as the second argument.

import { readNumberArray, write } from 'envix';

write('foo', '1.0,2.1');

readNumberArray('foo'); // number[] | undefined
// [1.0,2.1]

readNumberArray('bar', [2,3]); // number[]
// [2,3]

Contributing

Before starting to work on a pull request, it is important to review the guidelines for contributing and the code of conduct. These guidelines will help to ensure that contributions are made effectively and are accepted.

License

Made with 💚

Published under MIT License.