# Gimbal `source-map-explorer` Plugin

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A Gimbal plugin to add [Source Map Explorer](https://github.com/danvk/source-map-explorer) auditing.

## Installation

First, you need to install the plugin to your project:

```sh
# with npm
npm install --save-dev @modus/gimbal-plugin-source-map-explorer

# or with yarn
yarn add --dev @modus/gimbal-plugin-source-map-explorer
```

Next, you need to add the plugin to your Gimbal configuration file:

### YAML

```yaml
plugins:
  - '@modus/gimbal-plugin-source-map-explorer'
```

### JSON

```json
{
  "plugins": ["@modus/gimbal-plugin-source-map-explorer"]
}
```

### JavaScript

```javascript
modules.exports = {
  plugins: ['@modus/gimbal-plugin-source-map-explorer'],
};
```

## Configuration

By default, it will not check the sizes of the bundled files. You can check for file sizes within bundles using the `bundles` config using glob syntax for the bundle file name and the files within the bundle:

```yaml
plugins:
  - plugin: '@modus/gimbal-plugin-source-map-explorer'
    bundles:
      - path: '**/main.*.js'
        thresholds:
          App.js: 450 B
          index.js: 100 B
          logo.svg: 250 B
          serviceWorker.js: 300 B
          <unmapped>: 150 B
      - path: '**/2.*.js'
        thresholds:
          react/index.js: 50 B
          object-assign/index.js: 1 KB
          react-dom/index.js: 300 B
          react/cjs/react.production.min.js: 7 KB
          react-dom/cjs/react-dom.production.min.js: 110 KB
          scheduler/index.js: 50 B
          scheduler/cjs/scheduler.production.min.js: 5 KB
          webpack/**/*.js: 150 B
          <unmapped>: 150 B
      - '!precache-manifest*'
      - '!service-worker.js'
      - '!**/runtime*.js'
```