svelte-hint/README.md

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# svelte-hint
Svelte library for tooltips internally powered by the awesome [Popper.js](https://popper.js.org/) with sensible default values.
2022-01-13 14:00:46 +00:00
Check out the **[demo](https://svelte-hint.pages.dev/)** to see it in action.
![Screenshot](.github/screen.png)
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## 🌈 Features
- Automatic positioning & overflow handling on screen edges.
- Fully typed.
- Sensible default values.
- Use text or custom html/components as tooltips.
## 📀 Installation
```bash
npm install svelte-hint
```
## ⌨️ Usage
### With text
```svelte
<script lang="ts">
import { Hint } from 'svelte-hint'
</script>
<Hint text="A tooltip!">
<button class="btn btn-success drag">Hover me!</button>
</Hint>
```
### With custom html / components
```svelte
<script lang="ts">
import { Hint } from 'svelte-hint'
</script>
<Hint>
<button class="btn btn-success drag">Hover me!</button>
<i slot="hint">Some custom html</i>
</Hint>
```
## 🗂 Docs
### Props
| Prop | Type | Default | Description |
| ----------- | ----------------------- | ------------------- | ----------------------------------------------------------------------------------------------------- |
| `placement` | `Placement` | `auto` | For possible values see [popper](https://popper.js.org/docs/v2/constructors/#options). |
| `text` | `string` | `''` | Text to be used as the tooltip. If empty the slot will be used. |
| `boundary` | `HTMLElement \| string` | `'clippingParents'` | See [popper docs](https://popper.js.org/docs/v2/utils/detect-overflow/#boundary) for possible values. |
| `offset` | `number` | `4` | The offset is the distance that the tooltip gets positioned from the trigger. |
### Slots
#### `hint`
> Only works if the `text` props is empty. Otherwise the slot is ignored.
If you don't want to use the pre-styled tooltip you are free to use whatever html / svelte code you'd like as the tooltip.
```svelte
<Hint>
<div>Hover me</div>
<div slot="hint">Some custom html</div>
</Hint>
```