mcard-js/dist/config/env_parameters.js

A JavaScript implementation of MCard - A data model for persistently storing content with cryptographic hashing and timestamping

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.EnvParameters = void 0;
var _dotenv = _interopRequireDefault(require("dotenv"));
var _path = _interopRequireDefault(require("path"));
var _config_constants = require("./config_constants.js");
class EnvParameters {
  static #instance = null;
  constructor() {
    // Load environment variables
    _dotenv.default.config();

    // Set values from environment or use defaults from config_constants
    this.MCARD_DB_PATH = process.env.MCARD_DB_PATH;
    this.MCARD_HASH_ALGORITHM = process.env.MCARD_HASH_ALGORITHM;
    this.MCARD_HASH_CUSTOM_MODULE = process.env.MCARD_HASH_CUSTOM_MODULE;
    this.MCARD_HASH_CUSTOM_FUNCTION = process.env.MCARD_HASH_CUSTOM_FUNCTION;
    this.MCARD_HASH_LENGTH = parseInt(process.env.MCARD_HASH_LENGTH || _config_constants.DEFAULT_HASH_LENGTH, 10);
    this.MCARD_LOG_LEVEL = process.env.MCARD_LOG_LEVEL || _config_constants.DEFAULT_LOG_LEVEL;
  }
  static getInstance() {
    if (!EnvParameters.#instance) {
      EnvParameters.#instance = new EnvParameters();
    }
    return EnvParameters.#instance;
  }
  static reset() {
    EnvParameters.#instance = null;
  }
  getLogLevel() {
    return this.MCARD_LOG_LEVEL;
  }
  get_log_level() {
    return this.getLogLevel();
  }

  // Getter methods matching Python implementation
  get_db_path() {
    return this.MCARD_DB_PATH;
  }
  get_hash_algorithm() {
    return this.MCARD_HASH_ALGORITHM;
  }
  get_hash_custom_module() {
    return this.MCARD_HASH_CUSTOM_MODULE;
  }
  get_hash_custom_function() {
    return this.MCARD_HASH_CUSTOM_FUNCTION;
  }
  get_hash_custom_length() {
    return this.MCARD_HASH_LENGTH;
  }
  get_default_db_path() {
    return _path.default.resolve(process.cwd(), this.MCARD_DB_PATH);
  }
}
exports.EnvParameters = exports.default = EnvParameters;
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