Package Exports

env-schema

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Readme

env-schema

Utility to check environment variables using JSON schema, Ajv and dotenv.

Install

npm install --save env-schema

Usage

const envSchema = require('env-schema')

const schema = {
  type: 'object',
  required: [ 'PORT' ],
  properties: {
    PORT: {
      type: 'string',
      default: 3000
    }
  }
}

const config = envSchema({
  schema: schema,
  data: data // optional, default: process.env
  dotenv: true // load .env if it's there, default: false
})

console.log(config)
// output: { PORT: 3000 }

It is possible to also use fluent-schema:

const envSchema = require('env-schema')
const S = require('fluent-schema')

const config = envSchema({
  schema: S.object().prop('port', S.string().default('3000').required()),
  data: data // optional, default: process.env
  dotenv: true // load .env if it's there, default: false
})

console.log(config)
// output: { PORT: 3000 }

NB: internally this plugin force to not have additional properties, so the additionalProperties flag is forced to be false

Acknowledgements

Kindly sponsored by Mia Platform and NearForm.

License

MIT