52 lines
699 B
Markdown
52 lines
699 B
Markdown
# babel-plugin-transform-regexp-constructors
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This changes RegExp constructors into literals if the RegExp arguments are strings.
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## Example
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**In**
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```javascript
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const foo = 'ab+';
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var a = new RegExp(foo+'c', 'i');
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```
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**Out**
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```javascript
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const foo = 'ab+';
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var a = /ab+c/i;
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```
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## Installation
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```sh
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npm install babel-plugin-transform-regexp-constructors
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```
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## Usage
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### Via `.babelrc` (Recommended)
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**.babelrc**
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```json
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{
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"plugins": ["transform-regexp-constructors"]
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}
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```
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### Via CLI
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```sh
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babel --plugins transform-regexp-constructors script.js
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```
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### Via Node API
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```javascript
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require("babel-core").transform("code", {
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plugins: ["transform-regexp-constructors"]
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});
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```
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