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gatsby-remark-code-buttons

Add buttons to code snippets.

Install

npm install gatsby-remark-code-buttons --save-dev

How to use

in your gatsby-config.js

plugins: [
  {
    resolve: 'gatsby-transformer-remark',
    options: {
      plugins: ['gatsby-remark-code-buttons']
    }
  }
]

Options

plugins: [
  {
    resolve: 'gatsby-transformer-remark',
    options: {
      plugins: [
        {
          resolve: 'gatsby-remark-code-buttons',
          options: {
            // Optional button container class name. Defaults
            // to 'gatsby-code-button-container'.
            buttonContainerClass: `customButtonContainerClass`,
            // Optional button class name. Defaults to 'gatsby-code-button'.
            buttonClass: `customButtonClass`,
            // Optional button text. Defaults to ''.
            buttonText: `customButtonText`,
            // Optional svg icon class name. Defaults to 'gatsby-code-button-icon'.
            svgIconClass: `customSvgIconClass`,
            // Optional svg icon. Defaults to svg string and can be
            // replaced with any other valid svg. Use custom classes
            // in the svg string and skip `iconClass` option.
            svgIcon: `customSvgIcon`,
            // Optional tooltip text. Defaults to ''.
            tooltipText: `customTooltipText`,
            // Optional toaster class name. Defaults to ''.
            toasterClass: `customToasterClass`,
            // Optional toaster text class name. Defaults to ''.
            toasterTextClass: `customToasterTextClass`,
            // Optional toaster text. Defaults to ''.
            toasterText: 'customToasterText',
            // Optional toaster duration. Defaults to 3500.
            toasterDuration: 5000
          }
        }
      ]
    }
  }
]

Custom styling

Now that we’ve injected the custom button, we need to style it!

.gatsby-code-button-container {}
.gatsby-code-button {}
.gatsby-code-button-icon {}
.gatsby-code-button-toaster {}
.gatsby-code-button-toaster-text {}

To apply custom styles import stylesheet in your app’s root gatsby-browser.js.

// gatsby-browser.js
import './src/styles/custom-code-buttons.scss';

Usage in Markdown

In your Markdown content

```js
alert('click to copy 💾');
```

This plugin will parse the Markdown AST, pluck the button, and then “clean” the code snippet language for further processing. With the default config options this plugin will create the following structure, injecting a custom div:

<div
  class="gatsby-code-button-container"
  data-toaster-id=""
  data-toaster-class="gatsby-code-button-toaster"
  data-toaster-text-class="gatsby-code-button-toaster-text"
  data-toaster-text=""
  data-toaster-duration="3500"
  onClick="copyToClipboard(`alert('how cool is this');`)"
>
  <div class="gatsby-code-button" data-tooltip="">
    <svg class="gatsby-code-button-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">...</svg>
  </div>
</div>

With toasterText config enabled this plugin will inject a custom toaster node:

<div class="gatsby-code-button-toaster">
  <div class="gatsby-code-button-toaster-text">Copied to clipboard</div>
</div>

Don’t show button

```js:clipboard=false
alert('will not be copied 💾');
```