Remove modules from source

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Federico Grandi
2019-12-14 21:58:11 +01:00
parent f118062594
commit e5272e4c09
4269 changed files with 0 additions and 1074858 deletions

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# 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)