feat: first commit(by dts)

.gitattributes

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+* text eol=lf

.github/workflows/main.yml

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+name: CI
+on: [push]
+jobs:
+  build:
+    name: Build, lint, and test on Node ${{ matrix.node }} and ${{ matrix.os }}
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node: ['14.x', '16.x']
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Use Node ${{ matrix.node }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install deps and build (with cache)
+        uses: bahmutov/npm-install@v1
+
+      - name: Lint
+        run: yarn lint
+
+      - name: Test
+        run: yarn test --ci --coverage --maxWorkers=2
+
+      - name: Build
+        run: yarn build

.github/workflows/size.yml

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+name: size
+on: [pull_request]
+jobs:
+  size:
+    runs-on: ubuntu-latest
+    env:
+      CI_JOB_NUMBER: 1
+    steps:
+      - uses: actions/checkout@v3
+      - uses: andresz1/size-limit-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+*.log
+.DS_Store
+node_modules
+.cache
+dist

LICENSE

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+MIT License
+
+Copyright (c) 2022 Tristan Edwards
+
+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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+# DTS React User Guide
+
+Congrats! You just saved yourself hours of work by bootstrapping this project with DTS. Let’s get you oriented with what’s here and how to use it.
+
+> This DTS setup is meant for developing React component libraries (not apps!) that can be published to NPM. If you’re looking to build a React-based app, you should use `create-react-app`, `razzle`, `nextjs`, `gatsby`, or `react-static`.
+
+> If you’re new to TypeScript and React, checkout [this handy cheatsheet](https://github.com/sw-yx/react-typescript-cheatsheet/)
+
+## Commands
+
+DTS scaffolds your new library inside `/src`, and also sets up a [Vite-based](https://vitejs.dev) playground for it inside `/example`.
+
+The recommended workflow is to run DTS in one terminal:
+
+```bash
+npm start # or yarn start
+```
+
+This builds to `/dist` and runs the project in watch mode so any edits you save inside `src` causes a rebuild to `/dist`.
+
+Then run the example inside another:
+
+```bash
+cd example
+npm i # or yarn to install dependencies
+npm start # or yarn start
+```
+
+The default example imports and live reloads whatever is in `/dist`, so if you are seeing an out of date component, make sure DTS is running in watch mode like we recommend above. 
+
+To do a one-off build, use `npm run build` or `yarn build`.
+
+To run tests, use `npm test` or `yarn test`.
+
+## Configuration
+
+Code quality is set up for you with `prettier`, `husky`, and `lint-staged`. Adjust the respective fields in `package.json` accordingly.
+
+### Jest
+
+Jest tests are set up to run with `npm test` or `yarn test`.
+
+### Bundle analysis
+
+Calculates the real cost of your library using [size-limit](https://github.com/ai/size-limit) with `npm run size` and visulize it with `npm run analyze`.
+
+#### Setup Files
+
+This is the folder structure we set up for you:
+
+```txt
+/example
+  index.html
+  index.tsx       # test your component here in a demo app
+  package.json
+  tsconfig.json
+/src
+  index.tsx       # EDIT THIS
+/test
+  index.test.tsx  # EDIT THIS
+.gitignore
+package.json
+README.md         # EDIT THIS
+tsconfig.json
+```
+
+#### React Testing Library
+
+We do not set up `react-testing-library` for you yet, we welcome contributions and documentation on this.
+
+### Rollup
+
+DTS uses [Rollup](https://rollupjs.org) as a bundler and generates multiple rollup configs for various module formats and build settings. See [Optimizations](#optimizations) for details.
+
+### TypeScript
+
+`tsconfig.json` is set up to interpret `dom` and `esnext` types, as well as `react` for `jsx`. Adjust according to your needs.
+
+## Continuous Integration
+
+### GitHub Actions
+
+Two actions are added by default:
+
+- `main` which installs deps w/ cache, lints, tests, and builds on all pushes against a Node and OS matrix
+- `size` which comments cost comparison of your library on every pull request using [`size-limit`](https://github.com/ai/size-limit)
+
+## Optimizations
+
+Please see the main `dts` [optimizations docs](https://github.com/weiran-zsd/dts-cli#optimizations). In particular, know that you can take advantage of development-only optimizations:
+
+```js
+// ./types/index.d.ts
+declare var __DEV__: boolean;
+
+// inside your code...
+if (__DEV__) {
+  console.log('foo');
+}
+```
+
+You can also choose to install and use [invariant](https://github.com/weiran-zsd/dts-cli#invariant) and [warning](https://github.com/weiran-zsd/dts-cli#warning) functions.
+
+## Module Formats
+
+CJS, ESModules, and UMD module formats are supported.
+
+The appropriate paths are configured in `package.json` and `dist/index.js` accordingly. Please report if any issues are found.
+
+## Deploying the Example Playground
+
+The Playground is just a simple [Vite](https://vitejs.dev) app, you can deploy it anywhere you would normally deploy that. Here are some guidelines for **manually** deploying with the Netlify CLI (`npm i -g netlify-cli`):
+
+```bash
+cd example # if not already in the example folder
+npm run build # builds to dist
+netlify deploy # deploy the dist folder
+```
+
+Alternatively, if you already have a git repo connected, you can set up continuous deployment with Netlify:
+
+```bash
+netlify init
+# build command: yarn build && cd example && yarn && yarn build
+# directory to deploy: example/dist
+# pick yes for netlify.toml
+```
+
+## Named Exports
+
+Per Palmer Group guidelines, [always use named exports.](https://github.com/palmerhq/typescript#exports) Code split inside your React app instead of your React library.
+
+## Including Styles
+
+There are many ways to ship styles, including with CSS-in-JS. DTS has no opinion on this, configure how you like.
+
+For vanilla CSS, you can include it at the root directory and add it to the `files` section in your `package.json`, so that it can be imported separately by your users and run through their bundler's loader.
+
+## Publishing to NPM
+
+We recommend using [np](https://github.com/sindresorhus/np).
+
+## Usage with Lerna
+
+When creating a new package with DTS within a project set up with Lerna, you might encounter a `Cannot resolve dependency` error when trying to run the `example` project. To fix that you will need to make changes to the `package.json` file _inside the `example` directory_.
+
+The problem is that due to the nature of how dependencies are installed in Lerna projects, the aliases in the example project's `package.json` might not point to the right place, as those dependencies might have been installed in the root of your Lerna project.
+
+Change the `alias` to point to where those packages are actually installed. This depends on the directory structure of your Lerna project, so the actual path might be different from the diff below.
+
+```diff
+   "alias": {
+-    "react": "../node_modules/react",
+-    "react-dom": "../node_modules/react-dom"
++    "react": "../../../node_modules/react",
++    "react-dom": "../../../node_modules/react-dom"
+   },
+```
+
+An alternative to fixing this problem would be to remove aliases altogether and define the dependencies referenced as aliases as dev dependencies instead. [However, that might cause other problems.](https://github.com/formium/tsdx/issues/64)

example/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+    <title>Playground</title>
+  </head>
+
+  <body>
+    <div id="root"></div>
+    <script type="module" src="./index.tsx"></script>
+  </body>
+</html>

example/index.tsx

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+import 'react-app-polyfill/ie11';
+import * as React from 'react';
+import * as ReactDOM from 'react-dom';
+import { Thing } from '../.';
+
+const App = () => {
+  return (
+    <div>
+      <Thing />
+    </div>
+  );
+};
+
+ReactDOM.render(<App />, document.getElementById('root'));

example/package.json

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+{
+  "name": "example",
+  "private": true,
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "start": "vite",
+    "build": "vite build"
+  },
+  "dependencies": {
+    "react-app-polyfill": "^3.0.0"
+  },
+  "alias": {
+    "react": "../node_modules/react",
+    "react-dom": "../node_modules/react-dom/profiling",
+    "scheduler/tracing": "../node_modules/scheduler/tracing-profiling"
+  },
+  "devDependencies": {
+    "@types/react": "^17.0.47",
+    "@types/react-dom": "^17.0.17",
+    "vite": "latest",
+    "vite-preset-react": "latest",
+    "typescript": "^4"
+  }
+}

example/tsconfig.json

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+{
+  "extends": "@tsconfig/create-react-app/tsconfig.json"
+}

example/vite.config.js

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+import { defineConfig } from 'vite';
+import ReactPlugin from 'vite-preset-react';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [
+    ReactPlugin({
+      injectReact: false,
+    }),
+  ],
+});

package.json

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+{
+  "name": "nostrgg-react",
+  "version": "0.1.0",
+  "license": "MIT",
+  "author": "Tristan Edwards",
+  "main": "dist/index.js",
+  "module": "dist/nostrgg-react.esm.js",
+  "typings": "dist/index.d.ts",
+  "files": [
+    "dist",
+    "src"
+  ],
+  "scripts": {
+    "analyze": "size-limit --why",
+    "build": "dts build",
+    "lint": "dts lint",
+    "prepare": "dts build",
+    "size": "size-limit",
+    "start": "dts watch",
+    "test": "dts test --passWithNoTests"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "dts lint"
+    }
+  },
+  "prettier": {
+    "printWidth": 80,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "es5"
+  },
+  "jest": {
+    "testEnvironment": "jsdom"
+  },
+  "peerDependencies": {
+    "react": ">=16"
+  },
+  "engines": {
+    "node": ">=12"
+  },
+  "size-limit": [
+    {
+      "path": "dist/nostrgg-react.cjs.production.min.js",
+      "limit": "10 KB"
+    },
+    {
+      "path": "dist/nostrgg-react.esm.js",
+      "limit": "10 KB"
+    }
+  ]
+}

src/index.tsx

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+import * as React from 'react';
+
+// Delete me
+export const Thing = () => {
+  return <div>Welcome to your first test package.</div>;
+};

test/index.test.tsx

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+import * as React from 'react';
+import * as ReactDOM from 'react-dom';
+import { Thing } from '../src/index';
+
+describe('Thing', () => {
+  it('renders without crashing', () => {
+    const div = document.createElement('div');
+    ReactDOM.render(<Thing />, div);
+    ReactDOM.unmountComponentAtNode(div);
+  });
+});

tsconfig.json

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+{
+  // see https://www.typescriptlang.org/tsconfig to better understand tsconfigs
+  "extends": "@tsconfig/create-react-app/tsconfig.json",
+  "include": ["src", "types"],
+}