123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
import { createContext } from "npm/react";
import { HttpErrorOptions } from "./error.tsx";
/** A constant used for internal purposes only. */export const _env = {  /** Inidicates whether the code is running on the server or not. */  isServer: "Deno" in globalThis,};
/** A function that returns a boolean indicating whether the code is running on the server or not. */export const isServer = () => _env.isServer;
/** A function that returns a boolean indicating whether the code is running in the browser or not. */export const isBrowser = () => !isServer();
/** Used to represent environment variables shared with the browser. */export interface AppEnvironment {  [key: string]: string | undefined;}
/** A type representing the browser's window object augmented with an `app` property that is used for internal purposes only. */export type AppWindow<  AppContext extends Record<string, unknown> = Record<string, unknown>,> = typeof window & {  app: { env: AppEnvironment; context: AppContext; error?: HttpErrorOptions };};
/** * A function that takes a string key representing an environment variable and returns its value. * If the code is running on the server, it uses the `Deno.env.get` function to retrieve the value of the environment variable. * Otherwise it retrieves it from the browser's `app.env` object. The `app.env` object is used for internal purposes only. */export const getEnv = (  key: string,) => (isServer() ? Deno.env.get(key) : (window as AppWindow).app.env[key]);
/** A function that returns a boolean indicating whether the code is running in the test environment or not. */export const isTest = () => getEnv("APP_ENV") === "test";
/** A function that returns a boolean indicating whether the code is running in the development environment or not. */export const isDevelopment = () => {  const env = getEnv("APP_ENV");  return !env || env === "development";};
/** A function that returns a boolean indicating whether the code is running in the production environment or not. */export const isProduction = () => getEnv("APP_ENV") === "production";
/** * A function that creates a React context object for the app. * It takes an optional generic parameter representing the type of the initial value of the context. * The context object created can hold any app-specific data, and its state will be serialized and shared with the browser. */export function createAppContext<  AppContext extends Record<string, unknown> = Record<string, unknown>,>(defaultValue?: AppContext) {  return createContext<AppContext>(defaultValue ?? {} as AppContext);}