import*asEnvyfrom'@4c/envy`Envy.get('NODE_ENV')// 'production'Envy.get('NOT_SET_VAR')// ErrorEnvy.get('NOT_SET_VAR','default_value')// 'default_value'Envy.load('test')// adds variables-test.env to process.envEnvy.define('test')// returns variables-test.env mapped to an object keyed by process.env.[foo] for use in webpack