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<div align="center">
<a href="https://github.com/webpack/webpack">
<img width="200" height="200" src="https://webpack.js.org/assets/icon-square-big.svg">
</a>
</div>
[![npm][npm]][npm-url]
[![node][node]][node-url]
[![deps][deps]][deps-url]
[![tests][tests]][tests-url]
[![chat][chat]][chat-url]
[![size][size]][size-url]
# url-loader
A loader for webpack which transforms files into base64 URIs.
## Requirements
This module requires a minimum of Node v6.9.0 and Webpack v4.0.0.
## Getting Started
To begin, you'll need to install `url-loader`:
```console
$ npm install url-loader --save-dev
```
`url-loader` works like
[`file-loader`](https://github.com/webpack-contrib/file-loader), but can return
a DataURL if the file is smaller than a byte limit.
```js
import img from './image.png'
```
```js
// webpack.config.js
module.exports = {
module: {
rules: [
{
test: /\.(png|jpg|gif)$/i,
use: [
{
loader: 'url-loader',
options: {
limit: 8192
}
}
]
}
]
}
}
```
And run `webpack` via your preferred method.
## Options
### `fallback`
Type: `String`
Default: `'file-loader'`
Specifies an alternative loader to use when a target file's size exceeds the
limit set in the `limit` option.
```js
// webpack.config.js
{
loader: 'url-loader',
options: {
fallback: 'responsive-loader'
}
}
```
The fallback loader will receive the same configuration options as url-loader.
For example, to set the quality option of a responsive-loader above use:
```js
{
loader: 'url-loader',
options: {
fallback: 'responsive-loader',
quality: 85
}
}
```
### `limit`
Type: `Number`
Default: `undefined`
A `Number` specifying the maximum size of a file in bytes. If the file is
greater than the limit,
[`file-loader`](https://github.com/webpack-contrib/file-loader) is used by
default and all query parameters are passed to it. Using an alternative to
`file-loader` is enabled via the `fallback` option.
The limit can be specified via loader options and defaults to no limit.
```js
// webpack.config.js
{
loader: 'url-loader',
options: {
limit: 8192
}
}
```
### `mimetype`
Type: `String`
Default: `(file extension)`
Sets the MIME type for the file to be transformed. If unspecified the file
extensions will be used to lookup the MIME type.
```js
// webpack.config.js
{
loader: 'url-loader',
options: {
mimetype: 'image/png'
}
}
```
## Contributing
Please take a moment to read our contributing guidelines if you haven't yet done so.
#### [CONTRIBUTING](./.github/CONTRIBUTING.md)
## License
#### [MIT](./LICENSE)
[npm]: https://img.shields.io/npm/v/url-loader.svg
[npm-url]: https://npmjs.com/package/url-loader
[node]: https://img.shields.io/node/v/url-loader.svg
[node-url]: https://nodejs.org
[deps]: https://david-dm.org/webpack-contrib/url-loader.svg
[deps-url]: https://david-dm.org/webpack-contrib/url-loader
[tests]: https://img.shields.io/circleci/project/github/webpack-contrib/url-loader.svg
[tests-url]: https://circleci.com/gh/webpack-contrib/url-loader
[cover]: https://codecov.io/gh/webpack-contrib/url-loader/branch/master/graph/badge.svg
[cover-url]: https://codecov.io/gh/webpack-contrib/url-loader
[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
[chat-url]: https://gitter.im/webpack/webpack
[size]: https://packagephobia.now.sh/badge?p=url-loader
[size-url]: https://packagephobia.now.sh/result?p=url-loader
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