@app.json/cli/src/commands/export-dotenv.js

Capture what your app needs to be deployed and run

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@app.json/core");
var dotenv_1 = require("dotenv");
var fs_1 = require("fs");
function exportDotenv(appJsonPath, environmentName) {
    // read existing dotenv config, if any
    dotenv_1.config();
    var env = getEnv(appJsonPath, environmentName);
    var dotenv = createDotEnv(env);
    fs_1.writeFileSync('.env', dotenv, { encoding: 'utf-8' });
}
exports.exportDotenv = exportDotenv;
function createDotEnv(env) {
    return Object.keys(env)
        .map(function (key) {
        var definition = env[key];
        var existingValue = process.env[key];
        var newValue = typeof definition === 'string'
            ? definition
            : definition.value || '';
        var value = existingValue || newValue;
        return key + "=" + value;
    })
        .join('\n');
}
function getEnv(appJsonPath, environmentName) {
    var appJson = core_1.loadAppJson(appJsonPath);
    var baseEnv = appJson.env || {};
    var environmentEnv = getEnvironmentEnv(environmentName, appJson);
    var env = __assign({}, baseEnv, environmentEnv);
    return env;
}
function getEnvironmentEnv(environmentName, appJson) {
    var environment = environmentName &&
        appJson.environments &&
        appJson.environments[environmentName];
    var environmentEnv = (environment && environment.env) || {};
    return environmentEnv;
}