import * as plugins from './qenv.plugins' export interface IKeyValueObject { key: string, value: string }; export class Qenv { requiredEnvVars: string[] = [] availableEnvVars: string[] = [] missingEnvVars: string[] = [] keyValueObjectArray: IKeyValueObject[] = [] constructor(basePathArg = process.cwd(),envYmlPathArg,failOnMissing = true) { getRequiredEnvVars(basePathArg,this.requiredEnvVars) getAvailableEnvVars(this.requiredEnvVars,envYmlPathArg,this.availableEnvVars,this.keyValueObjectArray) this.missingEnvVars = getMissingEnvVars(this.requiredEnvVars,this.availableEnvVars) // handle missing variables if (this.missingEnvVars.length > 0) { console.info('Required Env Vars are:') console.log(this.requiredEnvVars) console.error('However some Env variables could not be resolved:') console.log(this.missingEnvVars) if (failOnMissing) { console.error('Exiting!') process.exit(1) } } }; }; let getRequiredEnvVars = (pathArg: string, requiredEnvVarsArray: string[]) => { let qenvFilePath = plugins.path.join(pathArg,'qenv.yml') let qenvFile = plugins.smartfile.fs.toObjectSync(qenvFilePath) for (let keyArg in qenvFile.vars) { requiredEnvVarsArray.push(qenvFile.vars[keyArg]) }; } let getAvailableEnvVars = ( requiredEnvVarsArg: string[], envYmlPathArg: string, availableEnvVarsArray: string[], keyValueObjectArrayArg: IKeyValueObject[] ) => { envYmlPathArg = plugins.path.join(envYmlPathArg,'env.yml') let envYml try { envYml = plugins.smartfile.fs.toObjectSync(envYmlPathArg) } catch (err) { console.log("env file couldn't be found at " + envYmlPathArg) envYml = {} } for (let requiredEnvVar of requiredEnvVarsArg){ if (process.env[requiredEnvVar]) { availableEnvVarsArray.push(requiredEnvVar) keyValueObjectArrayArg.push({ key: requiredEnvVar, value: process.env[requiredEnvVar] }) } else if (envYml.hasOwnProperty(requiredEnvVar)) { process.env[requiredEnvVar] = envYml[requiredEnvVar] availableEnvVarsArray.push(requiredEnvVar) keyValueObjectArrayArg.push({ key: requiredEnvVar, value: process.env[requiredEnvVar] }) } }; } let getMissingEnvVars = (requiredEnvVarsArray: string[],availableEnvVarsArray: string[]) => { return plugins.lodash.difference(requiredEnvVarsArray,availableEnvVarsArray) }