wj-config/out/dataSources/EnvironmentDataSource.js

Javascript configuration module for NodeJS and browser frameworks such as React that works like ASP.net configuration where data sources are specified (usually JSON files) and environment variables can contribute/overwrite values by following a naming con

import { DictionaryDataSource } from "./DictionaryDataSource.js";
export class EnvironmentDataSource extends DictionaryDataSource {
    constructor(env, prefix) {
        super(env, '__', prefix);
        if (!prefix) {
            throw new Error('The prefix is mandatory to avoid accidental imports of sensitive data from environment variable values.');
        }
        this.name = 'Environment';
    }
}