@expressots/core
Version:
Expressots - modern, fast, lightweight nodejs web framework (@core)
101 lines (100 loc) • 4.3 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.EnvValidatorProvider = void 0;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
const inversify_1 = require("../../di/inversify");
const logger_provider_1 = require("../logger/logger.provider");
const shared_1 = require("@expressots/shared");
/**
* The EnvValidatorProvider class provides utility methods for working with environment variables.
* It validates, loads, and retrieves environment variables from the .env file.
* @provide EnvValidatorProvider
* @public API
*/
let EnvValidatorProvider = class EnvValidatorProvider {
constructor() {
this.name = "Env Validator Provider";
this.version = "3.0.0";
this.author = "Richard Zampieri";
this.repo = "https://github.com/expressots/expressots";
this.logger = new logger_provider_1.Logger();
}
/**
* Retrieves the value of an environment variable, or a default value if the variable is not set.
* @param key - The key of the environment variable.
* @param defaultValue - The default value to return if the environment variable is not set.
* @returns The value of the environment variable, or the default value if not set.
* @public API
*/
get(key, defaultValue = undefined) {
return process.env[key] ?? defaultValue;
}
/**
* Validates and loads all environment variables from the .env file.
* If the .env file does not exist or any environment variables are not set, the process will exit with an error.
* @param envFile -
* @public API
*/
checkFile(envFile) {
// Get the full path of the .env file
const envFilePath = path_1.default.join(process.cwd(), ".", envFile);
// Check if the .env file exists
if (!fs_1.default.existsSync(envFilePath)) {
this.logger.error(`Environment file [${envFile}] is not defined.`, "environment-provider");
process.exit(1);
}
const dotEnvParsed = (0, shared_1.parse)(fs_1.default.readFileSync(envFilePath, "utf8"));
/* Verify if all environment variables are defined */
let hasError = false;
if (dotEnvParsed) {
for (const key of Object.keys(dotEnvParsed)) {
// Check if the environment variable is not defined or is an empty string
if (!process.env[key] || process.env[key] === "") {
this.logger.error(`Environment variable [ ${key} ] is not defined.`, "environment-provider");
hasError = true;
}
}
}
if (hasError) {
process.exit(1);
}
}
};
exports.EnvValidatorProvider = EnvValidatorProvider;
exports.EnvValidatorProvider = EnvValidatorProvider = __decorate([
(0, inversify_1.injectable)(),
__metadata("design:paramtypes", [])
], EnvValidatorProvider);
String.prototype.AsBoolean = function () {
switch (this.toLowerCase().trim()) {
case "true":
case "1":
case "yes":
return true;
case "false":
case "0":
case "no":
return false;
default:
return undefined;
}
};
String.prototype.AsNumber = function () {
return Number(this);
};
String.prototype.AsString = function () {
return String(this);
};