# babel-plugin-minify-dead-code-elimination

> Inlines bindings when possible. Tries to evaluate expressions and prunes unreachable as a result.

Latest version **0.5.2** (published 2022-05-06) · MIT license · 0 weekly downloads

## Install

```sh
npm install babel-plugin-minify-dead-code-elimination
pnpm add babel-plugin-minify-dead-code-elimination
yarn add babel-plugin-minify-dead-code-elimination
bun add babel-plugin-minify-dead-code-elimination
```

## Health

**Score 15/100 (F)** — status: abandoned.

Positive: no vulnerabilities.

Warnings: low downloads; no types; no esm support; pre 1.0.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 0.5.2 |
| Published | 2022-05-06 |
| First published | 2016-08-26 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 4 |
| Unpacked size | 45.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 4371 |
| Author | amasad |
| Maintainers | nicolo-ribaudo, boopathi, hzoo, vignesh.shanmugam, loganfsmyth |
| Keywords | babel-plugin |

## Links

- npm: https://www.npmjs.com/package/babel-plugin-minify-dead-code-elimination
- Repository: https://github.com/babel/minify/tree/master/packages/babel-plugin-minify-dead-code-elimination
- Homepage: https://github.com/babel/minify#readme
- Issues: https://github.com/babel/minify/issues
- npm.io page: https://npm.io/package/babel-plugin-minify-dead-code-elimination

## Dependencies (4)

- [lodash](https://npm.io/package/lodash.md) ^4.17.11
- [babel-helper-evaluate-path](https://npm.io/package/babel-helper-evaluate-path.md) ^0.5.0
- [babel-helper-remove-or-void](https://npm.io/package/babel-helper-remove-or-void.md) ^0.4.3
- [babel-helper-mark-eval-scopes](https://npm.io/package/babel-helper-mark-eval-scopes.md) ^0.4.3

## Alternatives

- [@openai/codex-sdk](https://npm.io/package/@openai/codex-sdk.md) — 731.4K weekly downloads
- [babel-plugin-transform-react-jsx](https://npm.io/package/babel-plugin-transform-react-jsx.md) — 565.0K weekly downloads
- [babel-helper-remove-or-void](https://npm.io/package/babel-helper-remove-or-void.md) — 508.5K weekly downloads
- [@pnpm/store-controller-types](https://npm.io/package/@pnpm/store-controller-types.md) — 186.9K weekly downloads
- [react-native-signature-canvas](https://npm.io/package/react-native-signature-canvas.md) — 155.6K weekly downloads

## Recent versions

- 0.5.2 (latest) — 2022-05-06
- 0.6.0-alpha.5 (canary) — 2018-10-29
- 0.5.1 — 2019-08-15
- 0.6.0-alpha.4 — 2018-10-29
- 0.5.0 — 2018-09-24
- 0.5.0-alpha.9 — 2018-09-23
- 0.5.0-alpha.3cc09dcf — 2018-07-27
- 0.5.0-alpha.beb87b9a — 2018-07-26
- 0.5.0-alpha.5a128fd5 — 2018-07-17
- 0.5.0-alpha.2ed85317 — 2018-07-17
- 0.5.0-alpha.a24dd066 — 2018-06-11
- 0.5.0-alpha.2e0de171 — 2018-06-01
- 0.5.0-alpha.89fc69da — 2018-06-01
- 0.5.0-alpha.a28b6b00 — 2018-05-22
- 0.5.0-alpha.2ec8ff72 — 2018-05-22
- … 76 more at https://npm.io/package/babel-plugin-minify-dead-code-elimination/versions

## README

# babel-plugin-minify-dead-code-elimination

Inlines bindings when possible. Tries to evaluate expressions and prunes unreachable as a result.

## Example

**In**

```javascript
function foo() {var x = 1;}
function bar() { var x = f(); }
function baz() {
  var x = 1;
  console.log(x);
  function unused() {
    return 5;
  }
}
```

**Out**

```javascript
function foo() {}
function bar() { f(); }
function baz() {
  console.log(1);
}
```

## Installation

```sh
npm install babel-plugin-minify-dead-code-elimination --save-dev
```

## Usage

### Via `.babelrc` (Recommended)

**.babelrc**

```json
// without options
{
  "plugins": ["minify-dead-code-elimination"]
}

// with options
{
  "plugins": ["minify-dead-code-elimination", { "optimizeRawSize": true }]
}
```

### Via CLI

```sh
babel --plugins minify-dead-code-elimination script.js
```

### Via Node API

```javascript
require("@babel/core").transform("code", {
  plugins: ["minify-dead-code-elimination"]
});
```

## Options

+ `keepFnName` - prevent plugin from removing function name. Useful for code depending on `fn.name`
+ `keepFnArgs` - prevent plugin from removing function args. Useful for code depending on `fn.length`
+ `keepClassName` - prevent plugin from removing class name. Useful for code depending on `cls.name`
+ `tdz` - Account for TDZ (Temporal Dead Zone)

---
_Source: https://npm.io/package/babel-plugin-minify-dead-code-elimination · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._