qenv/dist/index.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const plugins = require("./qenv.plugins");
class Qenv {
    constructor(basePathArg = process.cwd(), envYmlPathArg, failOnMissing = true) {
        this.requiredEnvVars = [];
        this.availableEnvVars = [];
        this.missingEnvVars = [];
        this.keyValueObjectArray = [];
        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);
            }
        }
    }
}
exports.Qenv = Qenv;
let getRequiredEnvVars = (pathArg, requiredEnvVarsArray) => {
    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, envYmlPathArg, availableEnvVarsArray, keyValueObjectArrayArg) => {
    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, availableEnvVarsArray) => {
    return plugins.lodash.difference(requiredEnvVarsArray, availableEnvVarsArray);
};
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