@mcma/core/dist/lib/config-variables.js

Node module with type definitions and helper utils for the EBU MCMA framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConfigVariables = void 0;
const mcma_exception_1 = require("./mcma-exception");
class ConfigVariables {
    static instance;
    static getInstance() {
        if (!this.instance) {
            this.instance = new ConfigVariables();
        }
        return this.instance;
    }
    _keys;
    _vars;
    constructor(variables) {
        if (!variables) {
            variables = process?.env;
        }
        this._keys = variables ? Object.keys(variables) : [];
        this._vars = {};
        for (const key of this._keys) {
            this._vars[key.toUpperCase()] = variables[key];
        }
    }
    keys() {
        return this._keys;
    }
    get(name) {
        if (!name) {
            throw new mcma_exception_1.McmaException("Invalid name specified.");
        }
        const value = this._vars[name.toUpperCase()];
        if (value !== undefined) {
            return value;
        }
        throw new mcma_exception_1.McmaException(`No environment variable found with name '${name}'.`);
    }
    getOptional(name, defaultValue) {
        if (!name) {
            throw new mcma_exception_1.McmaException("Invalid name specified.");
        }
        const value = this._vars[name.toUpperCase()];
        if (value !== undefined) {
            return value;
        }
        return defaultValue;
    }
}
exports.ConfigVariables = ConfigVariables;