Initial release

.github/workflows/jest.yml

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+name: Jest
+
+on:
+  pull_request:
+    branches:
+      - main
+  merge_group:
+  push:
+    branches:
+      - main
+
+jobs:
+  knip:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: "npm"
+      - name: Install dependencies
+        run: |
+          npm install
+      - name: Run jest
+        run: |
+          npm run test

.github/workflows/pretier.yml

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+name: Prettier
+
+on:
+  pull_request:
+    branches:
+      - main
+  merge_group:
+  push:
+    branches:
+      - main
+
+jobs:
+  knip:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: "npm"
+      - name: Install dependencies
+        run: |
+          npm install
+      - name: Run prettier
+        run: |
+          npx prettier --check .

.github/workflows/tsc.yml

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+name: TypeScript Compiler
+
+on:
+  pull_request:
+    branches:
+      - main
+  merge_group:
+  push:
+    branches:
+      - main
+
+jobs:
+  knip:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: "npm"
+      - name: Install dependencies
+        run: |
+          npm install
+      - name: Run tsc
+        run: |
+          npx tsc

.gitignore

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+dist/
+node_modules/

.npmignore

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+.prettierrc
+jest.config.js
+src

.nvmrc

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+20

.prettierrc

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+{
+  "printWidth": 100
+}

README.md

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+# `eslint-plugin-no-re-export`
+
+[![npm version](https://badge.fury.io/js/eslint-plugin-no-re-export.svg)](https://badge.fury.io/js/eslint-plugin-no-re-export)
+[![Build Status](https://travis-ci.org/azu/eslint-plugin-no-re-export.svg?branch=master)](https://travis-ci.org/azu/eslint-plugin-no-re-export)
+
+Disallow re-exporting in TypeScript/JavaScript.
+
+## Installation
+
+```sh
+# npm
+npm install eslint-plugin-no-re-export --save-dev
+
+# yarn
+yarn add eslint-plugin-no-re-export --dev
+
+# bun
+bun install eslint-plugin-no-re-export --save-dev
+```
+
+## Usage
+
+Add `no-re-export` to the plugins section of your `.eslintrc` configuration file. You can omit the `eslint-plugin-` prefix:
+
+```json
+{
+  "plugins": ["no-re-export"]
+}
+```
+
+Then configure the rules you want to use under the rules section.
+
+```json
+{
+  "rules": {
+    "no-re-export/no-re-export": "error"
+  }
+}
+```
+
+## Rules
+
+| Rule ID | Description |
+|:--------|:------------|
+| [no-re-export](./src/docs/no-re-export.md) | disallow re-exporting in TypeScript/JavaScript |
+
+## References
+
+- [Speeding up the JavaScript ecosystem - The barrel file debacle](https://marvinh.dev/blog/speeding-up-javascript-ecosystem-part-7/) by @marvinhagemeister
+- [Burn the Barrel!](https://uglow.medium.com/burn-the-barrel-c282578f21b6#:~:text=%E2%80%9CThe%20problem%20is%20that%20Jest,like%20%40mui%2Fmaterial%20.%E2%80%9D) by @uglow
+- [Your Next.js Bundle Will Thank You](https://renatopozzi.me/articles/your-nextjs-bundle-will-thank-you) by @askides
+- [Barrel files in JavaScript](https://flaming.codes/posts/barrel-files-in-javascript) by @flaming-codes
+- Comment by @ljharb at [eslint-plugin-import/issues/1920](https://github.com/import-js/eslint-plugin-import/issues/1920)
+
+  > Barrel exports increase bundle size and memory footprint, and are the only reason treeshaking is needed (to only-partially clean up sloppy importing), and in my experience, are best avoided, especially in any codebase of significant scale/size.

jest.config.js

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+// @ts-check
+
+/** @type {import('jest').Config} */
+module.exports = {
+  projects: [
+    {
+      moduleDirectories: ["node_modules", "src"],
+      transform: {
+        "^.+\\.[jt]sx?$": [
+          "esbuild-jest",
+          {
+            sourcemap: true,
+          },
+        ],
+      },
+      testEnvironment: "node",
+    },
+  ],
+  clearMocks: true,
+  restoreMocks: true,
+  resetMocks: true,
+  verbose: true,
+  watchman: false,
+};