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https://github.com/barrymcgee/gatsby-plugin-scroll-indicator

A visual indicator of page scroll on Gatsby websites
https://github.com/barrymcgee/gatsby-plugin-scroll-indicator

gatsby gatsby-plugin gatsbyjs

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A visual indicator of page scroll on Gatsby websites

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# 🀳gatsby-plugin-scroll-indicator

[![npm version](https://badge.fury.io/js/gatsby-plugin-scroll-indicator.svg)](https://badge.fury.io/js/gatsby-plugin-scroll-indicator)
[![CircleCI](https://circleci.com/gh/barrymcgee/gatsby-plugin-scroll-indicator/tree/develop.svg?style=svg)](https://circleci.com/gh/barrymcgee/gatsby-plugin-scroll-indicator/tree/develop)

- πŸ”₯ Easily add a page scroll indicator to your Gatsby site.
- πŸ‘¨πŸΌβ€πŸ’»A 3px high indicator bar will progress along the top of your viewport as you scroll down the page.
- 🎨 The color, height, paths and z-index of the indicator bar are all configurable options.

## Install

`npm install --save gatsby-plugin-scroll-indicator`

## Quick start

These options are not required. To have a 3px high, Gatsby purple (`#663391`) scroll indicator on all of your pages, add the plugin to your plugins array in `gatsby-config.js`:

```javascript
...
plugins: [
`gatsby-plugin-scroll-indicator`
]
...
```

## Options

### color (String)

Any solid [hex color code](https://www.color-hex.com/) is valid. e.g.

`color: #663391`

This option will accept any valid value for the [background CSS property](https://developer.mozilla.org/en-US/docs/Web/CSS/background).

If not provided, the default value is Gatsby purple themed [CSS gradient](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Images/Using_CSS_gradients):

`linear-gradient(to right, #CC99F7, #663391)`

### height (String)

The height of the scroll indicator, in pixels.

If not provided, the default height is `3px`.

### paths (Array of globbing patterns)

An array of [globbing patterns](http://www.globtester.com/) to specify where the scroll indicator should show.

If not provided, the indicator will show for all paths.

### zIndex (String)

The z-index option specifies the stack order of the indicator element.

If not provided, the default value is `9999`.

## Example

```javascript
// gatsby-config.js
plugins: [
{
resolve: `gatsby-plugin-scroll-indicator`,
options: {
// Configure color of the scroll indicator
color: "#663391",
// Height of the scroll indicator
height: "3px",
// Configure paths where the scroll indicator will appear
paths: ["/", "/blog/**"],
// Configure the z-index of the indicator element
zIndex: `9999`,
},
},
];
```

### Useful links

- Globbing patterns, explained - https://commandbox.ortusbooks.com/usage/parameters/globbing-patterns
- Globtester - https://globster.xyz/