# JS autocompletion library - Kømpletr

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## Features

- :white_check_mark: Sync / async querying
- :white_check_mark: Cache management
- :white_check_mark: Keyboard navigation
- :white_check_mark: Flexible research (begining, whole word or ... on your own)
- :white_check_mark: Flexible suggestions display (1, 2, 3, ... fields)
- :white_check_mark: Support string or object values
- :white_check_mark: No dependencies
- :white_check_mark: 10kb fully included

## Installation

### Package manager

#### Install package

```bash
npm i kompletr --save
```

#### Import module

```javascript
import kompletr from 'kompletr'
```

Get CSS from *./node_modules/kompletr/css/kompletr.min.css*

### Direct download

1. Download latest release archive
2. Get JS from *[Your-vendors-path]/kompletr/js/kompletr.min.js*
3. Get CSS from *[Your-vendors-path]/kompletr/css/kompletr.min.css*

#### Import script and stylesheet

``` html
...
<link href="kompletr.min.css" rel="stylesheet" type="text/css" />
<script src="kompletr.min.js" type="module"></script>
...
```

## Getting started

Define input element:

``` html
<input type="text" id="auto-complete" autocomplete="off" placeholder="Whatever you want..." />
```

Invoke Kømpletr:

``` javascript
kompletr({
  input: 'auto-complete',
  data: [],
  onSelect: (selected) => {
    console.log('There is the selected value', selected);
  }
});
```

## Options

- **fieldsToDisplay**: string[], properties to display in the suggestion field when suggestions are Objects
- **mapPropertyAsValue**: string, property to map as input value when the suggestions are Objects
- **filterOn**: string, check expression from beginning of the value or on the whole word. Default 'prefix'
- **startQueryingFromChar**: int, number of chars completed in input before kompletr fire search
- **maxResults**: int, number of max results to display
- **onKeyup**: function(value), callback fired each time the user press a keyboard touch
- **onSelect**: function(selected), callback fired after selection of on result item
- **onError**: function(error), callback fired when an error occurs

## Licence

[GPL](https://www.gnu.org/licenses/gpl-3.0.html)