autocomplete

@trevoreyre/autocomplete

The core package provides the base functionality of the autocomplete component. It provides an instance to track the current state, and event handlers to respond to user input. It doesn't actually render anything to the DOM, so that it can remain flexible and be used in multiple platforms.

The best way to learn how to use the core package is to take a look at the source code of other components that provide a rendering layer on top of it, like the JavaScript component and the Vue component

Demo

Take a look at the documentation page, and the Codepen examples.

Installation

Install the component from npm.

npm install --save @trevoreyre/autocomplete

Or using yarn.

yarn add @trevoreyre/autocomplete

You can also use the browser bundle in a script tag.

<script src="https://unpkg.com/@trevoreyre/autocomplete"></script>

Usage

The core package provides a class instance to handle the internal state of the autocomplete component. The component can be tweaked using a number of constructor arguments.

const autocomplete = new Autocomplete(options)

Arguments

Argument	Type	Description
search	Function (required)	The search function to be executed on user input. Can be a synchronous function or a Promise.
autoSelect	Boolean	Controls whether first result should be highlighted after input
setValue	Function	Sets the value of the calling component's input element
setAttribute	Function	Sets attributes on the calling component's input element
onUpdate	Function	Fired when the results list is updated. Receives results (Array), and selectedIndex (Number) as arguments.
onSubmit	Function	Fired when user submits result. Receives result as argument.
onShow	Function	Fired when the results list is shown
onHide	Function	Fired when the results list is hidden
onLoading	Function	Fired if search is a Promise and hasn't resolved yet
onLoaded	Function	Fired after asynchronous search function resolves

Event handlers

The core package provides a number of event handlers that can be wired up in the calling component.

Name	Description
handleInput	Handles the input element's input event
handleKeyDown	Handles the input element's keydown event
handleBlur	Handles the input element's blur event
handleResultMouseDown	Handles the ul element's mousedown event
handleResultClick	Handles the ul element's click event

Methods

Name	Description
destroy	Removes all event listeners and object references that were set during initialization.