Scan Env

Scan Env is a simple npm package which reads required environment variables from .env.example and scan those in .env. It uses dotenv in background to load the .env file.

It returns either false or an array of missing environment variables.

orginial project

Install

npm install BrycensRanch/scan-env

Usage

With default files

• Environment File Name: .env
• Env Example File Name: .env.example
• Env Ignored File Name: .envignore

const scanEnv = require("scan-env");

const scanResult = scanEnv();

if (scanResult.length) {
  console.error(`The following required environment variables are missing: ${scanResult.join(", ")}`);
}

With custom files

• Environment File Name: .prod.env
• Env Example File Name: .prod.env.example
• Env Ignored File Name: .prod.envignore

const scanEnv = require("scan-env");

const scanResult = scanEnv(".prod.env", ".prod.env.example", ".prod.envignore");

if (scanResult.length) {
  console.error(`The following required environment variables are missing: ${scanResult.join(", ")}`);
}

File Details

• .env file saves the original environment values.
• .env.example list all the env keys required by the application. Syntax of this env file must be like .env.
• .envignore list all the env keys which can be ignored if are missing.