Henry Zhu e86f62b304 README: add --save-dev [skip ci]
Closes gh-4910
2016-11-29 08:40:27 -05:00

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Markdown

# babel-plugin-transform-class-properties
## Installation
```sh
npm install --save-dev babel-plugin-transform-class-properties
```
### Options: `spec`
- Class properties are compiled to use `Object.defineProperty`
- Static fields are now defined even if they are not initialized
## Usage
### Via `.babelrc` (Recommended)
**.babelrc**
```json
// without options
{
"plugins": ["transform-class-properties"]
}
// with options
{
"plugins": [
["transform-class-properties", { "spec": true }]
]
}
```
### Via CLI
```sh
babel --plugins transform-class-properties script.js
```
### Via Node API
```javascript
require("babel-core").transform("code", {
plugins: ["transform-class-properties"]
});
```