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# std-env [](http://npmjs.com/package/std-env) [](http://npmjs.com/package/std-env) [](https://bundlephobia.com/result?p=std-env) > Runtime agnostic JS utils ## Installation ```sh # Using npm npm i std-env # Using pnpm pnpm i std-env # Using yarn yarn add std-env ``` ## Usage ```js // ESM import { env, isDevelopment, isProduction } from "std-env"; // CommonJS const { env, isDevelopment, isProduction } = require("std-env"); ``` ## Flags - `hasTTY` - `hasWindow` - `isDebug` - `isDevelopment` - `isLinux` - `isMacOS` - `isMinimal` - `isProduction` - `isTest` - `isWindows` - `platform` - `isColorSupported` - `nodeVersion` - `nodeMajorVersion` You can read more about how each flag works from [./src/flags.ts](./src/flags.ts). ## Provider Detection `std-env` can automatically detect the current runtime provider based on environment variables. You can use `isCI` and `platform` exports to detect it: ```ts import { isCI, provider, providerInfo } from "std-env"; console.log({ isCI, // true provider, // "github_actions" providerInfo, // { name: "github_actions", isCI: true } }); ``` List of well known providers can be found from [./src/providers.ts](./src/providers.ts). ## Runtime Detection `std-env` can automatically detect the current JavaScript runtime based on global variables, following the [WinterCG Runtime Keys proposal](https://runtime-keys.proposal.wintercg.org/): ```ts import { runtime, runtimeInfo } from "std-env"; // "" | "node" | "deno" | "bun" | "workerd" ... console.log(runtime); // { name: "node" } console.log(runtimeInfo); ``` You can also use individual named exports for each runtime detection: > [!NOTE] > When running code in Bun and Deno with Node.js compatibility mode, `isNode` flag will be also `true`, indicating running in a Node.js compatible runtime. > > Use `runtime === "node"` if you need strict check for Node.js runtime. - `isNode` - `isBun` - `isDeno` - `isNetlify` - `isEdgeLight` - `isWorkerd` - `isFastly` List of well known providers can be found from [./src/runtimes.ts](./src/runtimes.ts). ## Platform-Agnostic `env` `std-env` provides a lightweight proxy to access environment variables in a platform agnostic way. ```ts import { env } from "std-env"; ``` ## Platform-Agnostic `process` `std-env` provides a lightweight proxy to access [`process`](https://nodejs.org/api/process.html) object in a platform agnostic way. ```ts import { process } from "std-env"; ``` ## License MIT