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132 lines
3.1 KiB
Markdown
132 lines
3.1 KiB
Markdown
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# Advanced Usage
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## Custom MDX components
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mdx-deck includes default components for MDX, but to provide custom components to the [MDXProvider][], add a `components` object to the `theme`.
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```js
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// example theme
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import { theme } from 'mdx-deck/themes'
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import Heading from './Heading'
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export default {
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...theme,
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components: {
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h1: Heading
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}
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}
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```
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See the [MDX][] docs for more or take a look
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at the [default set of components](../src/components.js) as a reference.
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## Custom Provider component
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A custom Provider component can be added to the theme to wrap the entire application.
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This is useful for adding custom context providers in React.
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```js
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// example theme.js
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import { theme } from 'mdx-deck/themes'
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import Provider from './Provider'
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export default {
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...theme,
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font: 'Georgia, serif',
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Provider
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}
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```
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A custom Provider component will receive the application's state as props,
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which can be used to show custom page numbers or add other elements to the UI.
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#### Props
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- `index`: (number) the current slide index
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- `length`: (number) the length of the slides array
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- `mode`: (string) the current mode (one of `'NORMAL'`, `'PRESENTER'`, or `'OVERVIEW'`)
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- `notes`: (object) custom [speaker notes](#speaker-notes) for all slides
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- `step`: (number) the current visible step in an Appear component
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## Combining multiple mdx files
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Unlike the official `@mdx-js/loader`,
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the `mdx-deck/loader` exports an array of components instead of just one.
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Multiple MDX files can be combined into a single presentation if the filesize is getting difficult to manage.
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First create a couple `.mdx` files like any other mdx-deck file, with `---` to separate the different slides.
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```mdx
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# one.mdx
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---
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This is the first file
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```
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```mdx
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# two.mdx
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---
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This is the second file
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```
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Next, create a `.js` file to import and combine the two `.mdx` files.
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```js
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// deck.js
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import one from './one.mdx'
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import two from './two.mdx'
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export default [
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...one,
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...two
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]
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```
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Then, point the mdx-deck CLI comment in your `package.json` to the `deck.js` file.
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```json
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"scripts": {
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"start": "mdx-deck deck.js"
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}
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```
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## Custom webpack config
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Webpack configuration files named `webpack.config.js` will automatically be merged with the built-in configuration, using [webpack-merge](https://github.com/survivejs/webpack-merge). To use a custom filename, pass the file path to the `--webpack` flag.
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```js
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// webpack.config.js example
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module.exports = {
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module: {
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rules: [
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{
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test: /\.svg$/,
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use: [
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{ loader: 'babel-loader' },
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{ loader: 'react-svg-loader' }
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]
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}
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]
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}
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}
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```
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**Careful**: When overwriting the loader for `mdx` files, make sure to include the default loader from `mdx-deck/loader`.
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## Custom build setups
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The core mdx-deck components can also be used in any React application,
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such as [create-react-app][] or [next.js][].
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See the [React API](react.md) docs for more.
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[MDX]: https://github.com/mdx-js/mdx
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[MDXProvider]: https://github.com/mdx-js/mdx#mdxprovider
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[create-react-app]: https://github.com/facebook/create-react-app
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[next.js]: https://github.com/zeit/next.js/
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