katoikia-app/web-ui/web-react/node_modules/url-loader/README.md

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[![npm][npm]][npm-url]
[![node][node]][node-url]
[![deps][deps]][deps-url]
[![tests][tests]][tests-url]
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[![size][size]][size-url]

# url-loader

A loader for webpack which transforms files into base64 URIs.

## 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.

**index.js**

```js
import img from './image.png';
```

**webpack.config.js**

```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.

**webpack.config.js**

```js
module.exports = {
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              fallback: require.resolve('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:

**webpack.config.js**

```js
module.exports = {
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              fallback: require.resolve('responsive-loader'),
              quality: 85,
            },
          },
        ],
      },
    ],
  },
};
```

### `limit`

Type: `Number|Boolean|String`
Default: `undefined`

The limit can be specified via loader options and defaults to no limit.

#### `Number|String`

A `Number` or `String` specifying the maximum size of a file in bytes. If the file size is
**equal** or **greater** than the limit [`file-loader`](https://github.com/webpack-contrib/file-loader)
will be used (by default) and all query parameters are passed to it.
Using an alternative to `file-loader` is enabled via the `fallback` option.

**webpack.config.js**

```js
module.exports = {
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 8192,
            },
          },
        ],
      },
    ],
  },
};
```

#### `Boolean`

Enable or disable transform files into base64.

**webpack.config.js**

```js
module.exports = {
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: false,
            },
          },
        ],
      },
    ],
  },
};
```

### `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.

**webpack.config.js**

```js
module.exports = {
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            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://dev.azure.com/webpack-contrib/url-loader/_apis/build/status/webpack-contrib.url-loader?branchName=master
[tests-url]: https://dev.azure.com/webpack-contrib/url-loader/_build/latest?definitionId=2&branchName=master
[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