hassanzohdy/mongez-config/typing

export type ConfigurationsList = Record<string, any>;

// src/config-types.ts
export type AppConfig = {
  api: {
    url: string;
    timeout: number;
    headers?: Record<string, string>;
  };
  features: {
    darkMode: boolean;
    beta: boolean;
  };
  i18n: {
    defaultLocale: "en" | "ar" | "fr";
    languages: Record<string, { name: string; direction: "ltr" | "rtl" }>;
  };
};

import config from "@mongez/config";
import type { AppConfig } from "./config-types";
const appConfig: AppConfig = {
  api: { url: "https://api.example.com", timeout: 5000 },
  features: { darkMode: true, beta: false },
  i18n: {
    defaultLocale: "en",
    languages: {
      en: { name: "English", direction: "ltr" },
      ar: { name: "العربية", direction: "rtl" },
    },
  },
};
config.set(appConfig);

const url: string = config.get("api.url");
const timeout: number = config.get("api.timeout", 30000);
const flags = config.get("features") as AppConfig["features"];

// src/config-helper.ts
import config from "@mongez/config";
import type { AppConfig } from "./config-types";
// Type-narrow only the small surface you actually use.
export function getConfig<K extends keyof AppConfig>(key: K): AppConfig[K];
export function getConfig<T>(path: string, defaultValue?: T): T;
export function getConfig(path: string, defaultValue?: any) {
  return config.get(path, defaultValue);
}

import { getConfig } from "./config-helper";
const api = getConfig("api");                // typed as AppConfig["api"]
const timeout = getConfig<number>("api.timeout", 30000);