headless-autocomplete
Advanced tools
npm install headless-autocomplete
yarn add headless-autocomplete
pnpm install headless-autocomplete
Or you could just copy & paste it into your source code. It's just one file with zero dependencies.
<script lang="ts">
import { onMount } from "svelte";
import { createAutocomplete } from "headless-autocomplete";
/*
Step 0: Have some data to display
*/
const fruits = [
{ id: 0, label: "pear" },
{ id: 1, label: "apple" },
{ id: 2, label: "banana" },
{ id: 3, label: "orange" },
{ id: 4, label: "strawberry" },
{ id: 5, label: "kiwi" },
{ id: 6, label: "mango" },
{ id: 7, label: "pineapple" },
{ id: 8, label: "watermelon" },
{ id: 9, label: "grape" },
];
let listItems: { [itemId: string]: HTMLElement } = {};
/*
Step 1: Create an instance
*/
const autocomplete = createAutocomplete({
allItems: fruits,
toItemId: (item) => item.id,
toItemInputValue: (item) => item.label,
onScroll: (item, config) => {
const li = listItems[config.toItemId(item)];
if (!li) {
return;
}
li.scrollIntoView({ block: "nearest" });
},
});
/*
Step 2: Write some glue code
*/
let state = autocomplete.getState();
onMount(() =>
autocomplete.subscribe((stateNew) => {
state = stateNew;
})
);
/*
Step 3: Wire up to the UI
*/
</script>
<label class="label" {...state.aria.inputLabel}>
<p {...state.aria.helperText}>Use arrow keys to navigate the list</p>
Fruits
<input
{...state.aria.input}
class="input"
value={state.inputValue}
on:input={(event) => autocomplete.onInput(event.currentTarget.value)}
on:focus={autocomplete.onInputFocus}
on:blur={autocomplete.onInputBlur}
on:keydown={(event) => autocomplete.onInputKeyDown(event.key)}
/>
<ul {...state.aria.itemList} class="suggestions" class:hide={!state.isOpened}>
{#each state.items as item, index}
<li
{...state.aria.item(item)}
bind:this={listItems[autocomplete.toItemId(item)]}
on:mouseover={() => autocomplete.onItemHover(index)}
on:mousedown|preventDefault={() => autocomplete.onItemPress(item)}
on:focus={() => autocomplete.onItemFocus(index)}
class="option"
class:highlighted={state.itemStatus(item) === "highlighted"}
class:selected={state.itemStatus(item) === "selected"}
class:selected-and-highlighted={state.itemStatus(item) ===
"selected-and-highlighted"}
>
{autocomplete.toItemInputValue(item)}
</li>
{/each}
</ul>
</label>
<style>
.label {
position: relative;
display: block;
width: 100%;
}
.hide {
display: none;
}
.input {
width: 100%;
padding: 0.5rem;
box-sizing: border-box;
border: 1px solid #ccc;
}
.suggestions {
position: absolute;
top: 100%;
left: 0;
right: 0;
z-index: 1;
width: 100%;
max-height: 100px;
overflow: scroll;
border: 1px solid #ccc;
width: 100%;
max-width: 100%;
margin: 0;
padding: 0;
}
.option {
display: block;
cursor: pointer;
list-style: none;
width: 100%;
margin: 0;
padding: 0;
}
.highlighted {
background-color: #eee;
color: black;
}
.selected {
background-color: blue;
}
.selected-and-highlighted {
background-color: lightblue;
}
</style>
import { useEffect, useRef, useState } from "react";
import { createAutocomplete } from "headless-autocomplete";
/*
Step 0. Have some data to display
*/
type Movie = {
year: number;
label: string;
};
function Example() {
const inputRef = useRef<HTMLInputElement | null>(null);
const refs = useRef(new Map<string | number, HTMLElement>());
/*
Step 1. Create the instance
*/
const autocompleteRef = useRef(
createAutocomplete<Movie>({
allItems: top100Films,
toItemId: (item) => item.label,
toItemInputValue: (item) => item.label,
onScroll: (item, config) => {
const ref = refs.current.get(config.toItemId(item));
ref?.scrollIntoView({
block: "nearest",
});
},
})
);
/*
Step 2. Write some glue code
*/
const [state, setState] = useState(() => autocompleteRef.current.getState());
useEffect(() => {
return autocompleteRef.current.subscribe((state) => {
setState(state);
});
}, []);
/*
Step 3. Wire up to the UI
*/
return (
<div
style={{
fontSize: "1.25rem",
outlineColor: "skyblue",
fontFamily: "monospace",
maxWidth: "720px",
margin: "auto",
width: "100%",
}}>
<div style={{ position: "relative", width: "100%" }}>
<label {...state.aria.inputLabel}>
Movies
<input
{...state.aria.input}
style={{
width: "100%",
padding: "1rem",
fontSize: "inherit",
fontFamily: "inherit",
maxWidth: "100%",
margin: 0,
boxSizing: "border-box",
}}
ref={inputRef}
value={state.inputValue}
onInput={(event) =>
autocompleteRef.current.onInput(event.currentTarget.value)
}
onBlur={autocompleteRef.current.onInputBlur}
onFocus={autocompleteRef.current.onInputFocus}
onClick={autocompleteRef.current.onInputPress}
onKeyDown={(event) =>
autocompleteRef.current.onInputKeyDown(event.key)
}
/>
</label>
<ul
{...state.aria.itemList}
style={{
display: state.isOpened ? "block" : "none",
position: "absolute",
top: "100%",
zIndex: 2,
left: 0,
padding: 0,
margin: 0,
border: "1px solid black",
maxHeight: "360px",
overflow: "scroll",
width: "100%",
listStyle: "none",
}}>
{state.items.map((item, index) => {
const status = state.itemStatus(item);
return (
<li
{...state.aria.item(item)}
key={item.label}
ref={(ref) => {
if (ref) {
refs.current.set(
autocompleteRef.current.toItemId(item),
ref
);
}
}}
onMouseDown={(event) => {
event.preventDefault(); // prevent input blur
autocompleteRef.current.onItemPress(item);
}}
onMouseMove={() => autocompleteRef.current.onItemHover(index)}
onFocus={() => autocompleteRef.current.onItemFocus(index)}
style={{
margin: 0,
padding: "0.5rem",
cursor: "pointer",
...(status === "selected"
? {
background: "lightblue",
color: "white",
}
: status === "highlighted"
? {
background: "black",
color: "white",
}
: status === "selected-and-highlighted"
? {
background: "blue",
color: "white",
}
: status === "unselected"
? {}
: {}),
}}>
{item.label} ({item.year})
</li>
);
})}
</ul>
</div>
</div>
);
}
// Top 100 films as rated by IMDb users. http://www.imdb.com/chart/top
const top100Films: Movie[] = [
{ label: "The Shawshank Redemption", year: 1994 },
{ label: "The Godfather", year: 1972 },
{ label: "The Godfather: Part II", year: 1974 },
{ label: "The Dark Knight", year: 2008 },
{ label: "12 Angry Men", year: 1957 },
{ label: "Schindler's List", year: 1993 },
{ label: "Pulp Fiction", year: 1994 },
{
label: "The Lord of the Rings: The Return of the King",
year: 2003,
},
{ label: "The Good, the Bad and the Ugly", year: 1966 },
{ label: "Fight Club", year: 1999 },
{
label: "The Lord of the Rings: The Fellowship of the Ring",
year: 2001,
},
{
label: "Star Wars: Episode V - The Empire Strikes Back",
year: 1980,
},
{ label: "Forrest Gump", year: 1994 },
{ label: "Inception", year: 2010 },
{
label: "The Lord of the Rings: The Two Towers",
year: 2002,
},
{ label: "One Flew Over the Cuckoo's Nest", year: 1975 },
{ label: "Goodfellas", year: 1990 },
{ label: "The Matrix", year: 1999 },
{ label: "Seven Samurai", year: 1954 },
{
label: "Star Wars: Episode IV - A New Hope",
year: 1977,
},
{ label: "City of God", year: 2002 },
{ label: "Se7en", year: 1995 },
{ label: "The Silence of the Lambs", year: 1991 },
{ label: "It's a Wonderful Life", year: 1946 },
{ label: "Life Is Beautiful", year: 1997 },
{ label: "The Usual Suspects", year: 1995 },
{ label: "Léon: The Professional", year: 1994 },
{ label: "Spirited Away", year: 2001 },
{ label: "Saving Private Ryan", year: 1998 },
{ label: "Once Upon a Time in the West", year: 1968 },
{ label: "American History X", year: 1998 },
{ label: "Interstellar", year: 2014 },
{ label: "Casablanca", year: 1942 },
{ label: "City Lights", year: 1931 },
{ label: "Psycho", year: 1960 },
{ label: "The Green Mile", year: 1999 },
{ label: "The Intouchables", year: 2011 },
{ label: "Modern Times", year: 1936 },
{ label: "Raiders of the Lost Ark", year: 1981 },
{ label: "Rear Window", year: 1954 },
{ label: "The Pianist", year: 2002 },
{ label: "The Departed", year: 2006 },
{ label: "Terminator 2: Judgment Day", year: 1991 },
{ label: "Back to the Future", year: 1985 },
{ label: "Whiplash", year: 2014 },
{ label: "Gladiator", year: 2000 },
{ label: "Memento", year: 2000 },
{ label: "The Prestige", year: 2006 },
{ label: "The Lion King", year: 1994 },
{ label: "Apocalypse Now", year: 1979 },
{ label: "Alien", year: 1979 },
{ label: "Sunset Boulevard", year: 1950 },
{
label:
"Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb",
year: 1964,
},
{ label: "The Great Dictator", year: 1940 },
{ label: "Cinema Paradiso", year: 1988 },
{ label: "The Lives of Others", year: 2006 },
{ label: "Grave of the Fireflies", year: 1988 },
{ label: "Paths of Glory", year: 1957 },
{ label: "Django Unchained", year: 2012 },
{ label: "The Shining", year: 1980 },
{ label: "WALL·E", year: 2008 },
{ label: "American Beauty", year: 1999 },
{ label: "The Dark Knight Rises", year: 2012 },
{ label: "Princess Mononoke", year: 1997 },
{ label: "Aliens", year: 1986 },
{ label: "Oldboy", year: 2003 },
{ label: "Once Upon a Time in America", year: 1984 },
{ label: "Witness for the Prosecution", year: 1957 },
{ label: "Das Boot", year: 1981 },
{ label: "Citizen Kane", year: 1941 },
{ label: "North by Northwest", year: 1959 },
{ label: "Vertigo", year: 1958 },
{
label: "Star Wars: Episode VI - Return of the Jedi",
year: 1983,
},
{ label: "Reservoir Dogs", year: 1992 },
{ label: "Braveheart", year: 1995 },
{ label: "M", year: 1931 },
{ label: "Requiem for a Dream", year: 2000 },
{ label: "Amélie", year: 2001 },
{ label: "A Clockwork Orange", year: 1971 },
{ label: "Like Stars on Earth", year: 2007 },
{ label: "Taxi Driver", year: 1976 },
{ label: "Lawrence of Arabia", year: 1962 },
{ label: "Double Indemnity", year: 1944 },
{
label: "Eternal Sunshine of the Spotless Mind",
year: 2004,
},
{ label: "Amadeus", year: 1984 },
{ label: "To Kill a Mockingbird", year: 1962 },
{ label: "Toy Story 3", year: 2010 },
{ label: "Logan", year: 2017 },
{ label: "Full Metal Jacket", year: 1987 },
{ label: "Dangal", year: 2016 },
{ label: "The Sting", year: 1973 },
{ label: "2001: A Space Odyssey", year: 1968 },
{ label: "Singin' in the Rain", year: 1952 },
{ label: "Toy Story", year: 1995 },
{ label: "Bicycle Thieves", year: 1948 },
{ label: "The Kid", year: 1921 },
{ label: "Inglourious Basterds", year: 2009 },
{ label: "Snatch", year: 2000 },
{ label: "3 Idiots", year: 2009 },
{ label: "Monty Python and the Holy Grail", year: 1975 },
];
export default Example;
FAQs
## Pros
The npm package headless-autocomplete receives a total of 0 weekly downloads. As such, headless-autocomplete popularity was classified as not popular.
We found that headless-autocomplete demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Libxml2’s solo maintainer drops embargoed security fixes, highlighting the burden on unpaid volunteers who keep critical open source software secure.
Research
Security News
Socket researchers uncover how browser extensions in trusted stores are used to hijack sessions, redirect traffic, and manipulate user behavior.
Research
Security News
An in-depth analysis of credential stealers, crypto drainers, cryptojackers, and clipboard hijackers abusing open source package registries to compromise Web3 development environments.