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feat(vite): added vite plugin
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‎README.md‎

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@@ -20,7 +20,7 @@ Here are some of the benefits of using `dotenv-run`:
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| Core | [@dotenv-run/core](#dotenv-runcore) | ✅ |
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| ESBuild | [@dotenv-run/esbuild](#dotenv-runesbuild) | ✅ |
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| Rollup | [@dotenv-run/rollup](#dotenv-runrollup) | ✅ |
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| Vite | [@dotenv-run/rollup](#dotenv-runrollup) | ✅ |
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| Vite | [@dotenv-run/vite](#dotenv-runvite) | ✅ |
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| Node.js preload | @dotenv-run/load | ✅ |
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| Angular | [@ngx-env/builder](#ngx-envbuilder) | ✅ |
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- [@dotenv-run/core](#dotenv-runcore)
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- [@dotenv-run/esbuild](#dotenv-runesbuild)
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- [@ngx-env/builder](#ngx-envbuilder)
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- [Testimonials](#testimonials)
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- [Demos](#demos)
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- [Quick start](#quick-start-1)
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- [@dotenv-run/webpack](#dotenv-runwebpack)
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};
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```
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[`@dotenv-run/vite`](https://www.npmjs.com/package/@dotenv-run/vite) is a plugin for vite that can be used to inject environment variables into your applications.
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```js
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import env from "@dotenv-run/vite";
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export default {
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envPrefix: 'MY_PREFIX_',
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envDir: './my-env-directory',
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plugins: [env()],
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};
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```
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## Credits
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- [dotenv](https://github.com/motdotla/dotenv)

‎packages/vite/README.md‎

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# @dotenv-run/vite
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- ✅ Load environment variables from the command line `API_BASE=/v1/ vite`
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- ✅ Load environment variables from `.env` files
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- ✅ Expand environment variables `API_URL=$API_BASE/users`
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- ✅ Define environment variables for a specific environment (e.g. `.env.production`)
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- ✅ Load priorities of `.env.*` files (e.g. `.env.production` > `.env`)
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- ✅ Hierarchical cascading configuration in monorepo projects ([Nx](https://nx.dev), [Turbo](https://turbo.build/), etc.)
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`apps/next-app/.env` > `apps/.env` > `.env`
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## Install
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```sh
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npm add @dotenv-run/vite --save-dev
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```
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## Usage
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Create a `vite.config.js` [configuration file](https://vite.dev/config) and import the plugin:
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```js
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import env from "@dotenv-run/vite";
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export default {
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envPrefix: 'MY_PREFIX_',
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envDir: './my-env-directory',
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plugins: [env()],
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};
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```
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Then call `vite` or `vite build` either via the [CLI](https://vite.dev/guide/cli.html).
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The available options are similar to those supported by [`@dotenv-run/core`](https://www.npmjs.com/package/@dotenv-run/core), but this plugin seamlessly integrates with Vite by automatically deriving the root, prefix, and environment values from its standard configuration, ensuring a more cohesive experience. For more details, refer to the API section.

‎packages/vite/package.json‎

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{
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"name": "@dotenv-run/vite",
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"version": "1.0.0",
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"description": "Run your scripts with dotenv variables",
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"homepage": "https://github.com/chihab/dotenv-run",
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"main": "dist/index.js",
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"types": "dist/index.d.ts",
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"type": "module",
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"scripts": {
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"dev": "tsc -w",
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"build": "tsc"
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},
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"files": [
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"dist",
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"README.md"
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],
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"keywords": [
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"dotenv",
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"run",
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"cli",
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"vite",
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"vite-plugin"
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],
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"author": "Iacopo Ciao <[email protected]>",
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"license": "ISC",
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"dependencies": {
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"@dotenv-run/core": "workspace:^1.3.6",
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"@rollup/plugin-replace": "^5.0.7",
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"lodash-es": "^4.17.21",
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"vite": "^6.2.0"
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},
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"devDependencies": {
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"@types/lodash-es": "^4.17.12",
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"@types/node": "^16.18.112"
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}
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}

‎packages/vite/src/constants.ts‎

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export const DEFAULT_PREFIX = 'VITE_';
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export const DEFAULT_ENV_FILES = [
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/** vault file */ `.env.vault`,
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/** default file */ `.env`,
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];

‎packages/vite/src/index.ts‎

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import { env as loadEnv } from "@dotenv-run/core";
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import { Plugin } from "vite";
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import { viteEnvPrefixToPrefix } from "./mapper.js";
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import { sanitizeOptions, ViteDotenvRunOptions } from "./options.js";
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import replace from "@rollup/plugin-replace";
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import { DEFAULT_ENV_FILES } from "./constants.js";
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/**
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* Vite plugin to load environment variables from .env files using `@dotenv-run/core`.
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*
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* This plugin seamlessly integrates with Vite by automatically deriving the root,
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* prefix and environment options from Vite's `envDir`, `envPrefix` and `mode`,
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* ensuring a more cohesive experience.
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*
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* @param {ViteDotenvRunOptions} [options] - Options for configuring the plugin.
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* See {@link ViteDotenvRunOptions} for more details.
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*
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* @returns {Plugin} Vite plugin object that enhances the Vite configuration.
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*
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* @example
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* // Usage in a Vite config file
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* import dotenvRun from 'vite-plugin-dotenv-run';
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*
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* export default {
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* envDir: '../..',
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* envPrefix: ['VITE_', 'CUSTOM_'],
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* plugins: [
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* dotenvRun(),
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* ],
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* };
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*/
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const dotenvRun = (options?: ViteDotenvRunOptions): Plugin => {
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options = sanitizeOptions(options);
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const files = options?.files ?? DEFAULT_ENV_FILES;
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return {
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name: "vite-plugin-dotenv-run",
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config: (config, configEnv) => {
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const prefix = viteEnvPrefixToPrefix(config.envPrefix);
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const { full } = loadEnv({
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files,
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prefix,
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root: config.envDir,
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environment: configEnv.mode,
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...options,
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});
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return {
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...config,
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...replace({
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preventAssignment: true,
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values: full,
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}),
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};
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},
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};
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};
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export { dotenvRun, ViteDotenvRunOptions };
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export default dotenvRun;

‎packages/vite/src/mapper.ts‎

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import {
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castArray,
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escapeRegExp,
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first,
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isEmpty,
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isNil,
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negate,
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} from "lodash-es";
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import { DEFAULT_PREFIX } from "./constants.js";
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/**
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* Converts a Vite `envPrefix` configuration value into a usable prefix or RegExp for @dotenv-run/core.
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*
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* @param {string | string[] | undefined} prefixes - The prefix or list of prefixes to filter environment variables.
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* @returns {string | RegExp} - A single prefix as a string if only one is provided, or a RegExp if multiple prefixes are given.
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*
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* @throws {Error} If an empty string (`''`) is included in the prefixes, as this could expose all environment variables.
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*
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* @example
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* viteEnvPrefixToPrefix("VITE_") // Returns: "VITE_"
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* viteEnvPrefixToPrefix(["VITE_", "CUSTOM_"]) // Returns: /^VITE_|CUSTOM_/
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* viteEnvPrefixToPrefix(undefined) // Returns: DEFAULT_PREFIX
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*
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* @see {@link https://vite.dev/config/shared-options.html#envprefix Vite Documentation on envPrefix}
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*
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* @security
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* The `envPrefix` option should **never** be set to an empty string (`''`),
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* as this will expose **all** environment variables, potentially leaking sensitive information.
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* Vite has a built-in safeguard that throws an error when detecting `''` as a prefix.
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*
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* If you need to expose an unprefixed environment variable, use the `define` option instead:
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*
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* ```
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* define: {
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* "process.env.MY_VAR": JSON.stringify(process.env.MY_VAR)
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* }
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* ```
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*/
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export const viteEnvPrefixToPrefix = (
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prefixes: string | string[] | undefined
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): string | RegExp => {
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prefixes = castArray(prefixes).filter(negate(isNil));
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if (isEmpty(prefixes)) {
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return DEFAULT_PREFIX;
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}
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if (prefixes.includes("")) {
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throw new Error(
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`envPrefix option contains value '', which could lead unexpected exposure of sensitive information.`
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);
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}
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if (prefixes.length === 1) {
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return first(prefixes);
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}
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return new RegExp(`^(${prefixes.map(escapeRegExp).join("|")})`);
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};

‎packages/vite/src/options.ts‎

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import type { DotenvRunOptions } from "@dotenv-run/core";
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import { pick } from "lodash-es";
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/**
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* Options for configuring the @dotenv-run/vite plugin.
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*
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* @interface ViteDotenvRunOptions
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* @extends {Pick<DotenvRunOptions, 'verbose' | 'unsecure' | 'builtIn' | 'global' | 'nodeEnv' | 'runtime' | 'dotenv' | 'files'>}
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*
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* @property {DotenvConfigOptions} [dotenv] - Options for configuring dotenv.
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* @property {string[]} [files] - Environment files to load. Defaults to `['.env.vault', '.env']`.
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* @property {boolean} [unsecure] - Display environment variables in debug output.
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* @property {boolean} [nodeEnv] - Node environment.
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* @property {boolean} [verbose] - Print verbose output.
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* @property {Dict} [builtIn] - Built-in environment variables.
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* @property {boolean} [runtime] - Whether to use runtime variables.
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* @property {string} [global] - Global variable name.
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*/
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export type ViteDotenvRunOptions = Pick<DotenvRunOptions, 'verbose' | 'unsecure' | 'builtIn' | 'global' | 'nodeEnv' | 'runtime' | 'dotenv' | 'files'>;
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export const sanitizeOptions = <T extends ViteDotenvRunOptions>(options?: T): ViteDotenvRunOptions | undefined => {
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return pick(options, 'verbose', 'unsecure', 'builtIn', 'global', 'nodeEnv', 'runtime', 'dotenv', 'files');
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}

‎packages/vite/tsconfig.json‎

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{
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"include": ["src"],
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"compilerOptions": {
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"outDir": "dist",
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"moduleResolution": "node",
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"module": "ES2022",
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"strict": true,
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"allowSyntheticDefaultImports": true,
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"forceConsistentCasingInFileNames": true,
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"strictPropertyInitialization": false,
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"strictNullChecks": false,
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"pretty": true,
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"sourceMap": true,
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"declaration": true,
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"skipLibCheck": true
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},
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"exclude": ["node_modules"],
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"compileOnSave": false,
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"buildOnSave": false
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}

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