https://github.com/zillow/webpack-stats-duplicates
Search your webpack bundle stats.json for duplicate modules
https://github.com/zillow/webpack-stats-duplicates
Last synced: about 1 year ago
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Search your webpack bundle stats.json for duplicate modules
- Host: GitHub
- URL: https://github.com/zillow/webpack-stats-duplicates
- Owner: zillow
- Created: 2016-12-27T20:24:22.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2021-07-25T11:40:32.000Z (almost 5 years ago)
- Last Synced: 2025-04-14T05:18:03.358Z (about 1 year ago)
- Language: JavaScript
- Homepage:
- Size: 67.4 KB
- Stars: 31
- Watchers: 13
- Forks: 3
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
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README
# webpack-stats-duplicates
A utility for examining webpack stats.json files and looking for duplicate module imports. Inspired by [Webpack Visualizer](https://chrisbateman.github.io/webpack-visualizer/), an excellent tool for visualizing your webpack bundle. There is also a [gulp plugin](https://github.com/zillow/gulp-webpack-stats-duplicates) if you are into that.
## CLI
### Installation
```
$ npm install -g webpack-stats-duplicates
```
### Usage
```
$ webpack-stats-duplicates stats.json
```
Use the `--help` flag to see all command line options.
### Config file
You can create a configuration file with options such as `whitelist` to be used when running.
The utility will look for a `.wsdrc` file in the current working directory,
or you can specify the location of the file with `--config` on the command line.
See [`findDuplicates`](#findduplicatesjson-options--array) for all available configuration options.
## API
### Installation
```
$ npm install --save webpack-stats-duplicates
```
### `findDuplicates(json[, options]) => Array`
#### Arguments
1. `json` (`Object`): The stats json object from webpack
2. `options` (`Object` [optional])
3. `options.whitelist` (`Array` [optional]): An array of duplicate paths to ignore
#### Returns
`Array`: An array of found duplicates.
#### Example
```
import { findDuplicates } from 'webpack-stats-duplicates';
const duplicates = findDuplicates(json, {
whitelist: [ '/node_modules/flux/node_modules/fbjs' ]
});
```
### `printDuplicates(duplicates)`
#### Arguments
1. `duplicates` (`Array`): The duplicates array from [`findDuplicates`](#findduplicatesjson-options--array)
### `loadConfig([filename], callback)`
#### Arguments
1. `filename` (`String` [optional]): The filename to load config from, if omitted, will attempt to load the default `.wsdrc` file
2. `callback` (`Function`): Callback function that takes two arguments, `error` and `config`
#### Example
```
import { loadConfig } from 'webpack-stats-duplicates';
let findDuplicatesOpts = {};
loadConfig('./path/to/my/config.json', (error, config) => {
if (error) {
console.log(error);
return;
}
findDuplicatesOpts = config;
});
```