<script>
  import { scrollTo, scrollRef, scrollTop } from 'svelte-scrolling'
</script>

<nav>
  <a use:scrollTo={'home'}>Home</a>
  <a use:scrollTo={'about'}>About</a>
  <a use:scrollTo={{ ref: 'blog', duration: 1000 }}>Blog</a>
</nav>

<section use:scrollRef={'home'}></section>
<section use:scrollRef={'about'}></section>
<section use:scrollRef={'blog'}></section>

<button on:click={() => scrollTop()}>Go to top</button>

Actions

`scrollTo={reference | options}`

This action listens for click (touchstart) events and scrolls to elements with smooth animation.

Accepts as parameter only the element reference or all global options:

ref: Element reference.

To set the global options, the ref property is required

`scrollRef={reference}`

This action adds a reference to the elements that scrollTo should scroll

Accepts as parameter a string with the name to reference the element

Functions

`scrollTop(options?)`

Scroll to the top of the page

`scrollBottom(options?)`

Scroll to the end of the page

`scrollElement(reference, options?)`

Scroll to element with smooth animation.

`scrollPosition(position, options?)`

Scroll to a position on the page

API

Global Options

Property	Default	Description
`duration`	`500`	Duration (in milliseconds) of the animation.
`offset`	`0`	Offset that should be applied when scrolling.
`easing`	`cubicInOut`	Easing function to be used when animating. Use any easing from `svelte/easing` or a custom easing function.
`onStart`	`noop`	A callback function that should be called when scrolling has started. Receives the element, offset, duration and endPosition as a parameter.
`onDone`	`noop`	A callback function that should be called when scrolling has started. Receives the element, offset, duration and endPosition as a parameter.

Override global options

<script>
  import { setGlobalOptions } from 'svelte-scrolling'

  setGlobalOptions({
    duration: 800
  })
</script>

License

MIT