Initial release

.gitignore

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+/node_modules/

.travis.yml

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+language: node_js
+
+sudo: false
+
+node_js:
+  - 6
+  - 4
+
+cache: yarn

LICENSE

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+MIT License
+
+Copyright (c) 2017 Robin van der Vleuten <robin@webstronauts.co>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# preact-cli-plugin-env-vars
+
+Consume variables in your environment with the Preact CLI.
+
+[![NPM version](https://img.shields.io/npm/v/preact-cli-plugin-env-vars.svg)](https://www.npmjs.com/package/preact-cli-plugin-env-vars)
+[![Build Status](https://travis-ci.org/robinvdvleuten/preact-cli-plugin-env-vars.svg?branch=master)](https://travis-ci.org/robinvdvleuten/preact-cli-plugin-env-vars)
+
+## Installation
+
+```
+$ yarn add preact-cli-plugin-env-vars --dev
+```
+
+Alternatively using npm:
+
+```
+$ npm i preact-cli-plugin-env-vars --save-dev
+```
+
+And include in your project by creating a `preact.config.js`:
+
+```js
+const envVars = require('preact-cli-plugin-env-vars');
+
+export default function (config) {
+  envVars(config);
+}
+```
+
+## Usage
+
+The plugin allows to use any environment variables prefixed with `PREACT_APP_` to be used within your script:
+
+```js
+console.log(process.env.PREACT\_APP\_SECRET_CODE);
+```
+
+The environment variables are embedded during the build time.
+
+## License
+
+MIT © [Robin van der Vleuten](https://www.robinvdvleuten.nl)

lib/index.js

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+const webpack = require('webpack');
+
+const PREACT_APP = /^PREACT_APP_/i;
+
+const getEnvVars = () => {
+  const raw = Object.keys(process.env)
+    .filter(key => PREACT_APP.test(key))
+    .reduce(
+      (env, key) => Object.assign(env, { [key]: process.env[key] }),
+      {}
+    );
+
+  const stringified = {
+    'process.env': Object.keys(raw).reduce(
+      (env, key) => Object.assign(env, { [key]: JSON.stringify(raw[key]) }),
+      {}
+    )
+  };
+
+  return { raw, stringified };
+};
+
+module.exports = config => {
+  const env = getEnvVars();
+  config.plugins.push(new webpack.DefinePlugin(env.stringified));
+};

package.json

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+{
+  "name": "preact-cli-plugin-env-vars",
+  "version": "1.0.0",
+  "description": "Consume variables in your environment with the Preact CLI",
+  "license": "MIT",
+  "author": "Robin van der Vleuten <robin@webstronauts.co>",
+  "main": "lib/index.js",
+  "keywords": [
+    "preact",
+    "plugin",
+    "env"
+  ],
+  "files": [
+    "lib"
+  ],
+  "scripts": {
+    "test": "xo"
+  },
+  "xo": {
+    "esnext": true,
+    "space": true,
+    "semicolon": true,
+    "rules": {
+      "object-curly-spacing": [
+        "error",
+        "always"
+      ]
+    }
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/robinvdvleuten/preact-cli-plugin-env-vars.git"
+  },
+  "bugs": {
+    "url": "https://github.com/robinvdvleuten/preact-cli-plugin-env-vars/issues"
+  },
+  "homepage": "https://github.com/robinvdvleuten/preact-cli-plugin-env-vars#readme",
+  "devDependencies": {
+    "webpack": "^2.3.3",
+    "xo": "^0.18.2"
+  }
+}