detect-environment/lib/parseEnvFile.js

Detect environments in JavaScript similar to the way Laravel does

'use strict';

var
    //
    tmpl = require('lodash').template,
    yaml = require('js-yaml'),

    /**
     *
     */
    parseEnvFile = function parseEnvFile (file, stamp) {

        //
        if (file === '') {
            return {};
        }

        //
        if (stamp !== null && stamp !== undefined) {

            //
            if (Object.prototype.toString.call(stamp) !== '[object Object]') {
                throw new TypeError('parseEnvFile:');
            }

            //
            try {
                file = tmpl(file, stamp);
            } catch (err) {
                throw err;
            }

        }

        //
        try {
            file = yaml.safeLoad(file);
        } catch (err) {
            throw new Error('parseEnvFile:');
        }

        //
        if (!file) {
            file = {};
        }

        //
        return file;
    };

// Expose to node.js
module.exports = parseEnvFile;