{% include '@bolt-components-typeahead/typeahead.twig' %}
| Prop Name | Description | Type | Default Value | Option(s) |
|---|---|---|---|---|
|
attributes
|
A Drupal-style attributes object with extra attributes to append to this component. |
object
| — |
|
|
max_results
|
The maximum number of typeahead results to display |
number
|
10
|
|
|
items
|
An array of objects that's used to populate the suggestion list that appears below the input as the users type. This array of objects can be asynchronously fetched and should contain a |
array
| — |
|
|
clear_input_text
|
Screenreader-specific text for the clear search button, intended to provide a longer, more descriptive explanation of the clear button's behavior. |
string
|
Clear search results
|
|
|
submit_button_text
|
Screenreader-specific text for the submit button, intended to provide a longer, more descriptive explanation of the submit button's behavior. |
string
|
Submit
|
|
|
input_label
|
Screenreader-specific label text associated with the search input. |
string
| — |
|
|
input_placeholder
|
The placeholder text to display inside the Typeahead search input. |
string
|
Search
|
|
|
input_value
|
Initial value to pre-populate the input field |
string
| — |
|
|
input_name
|
Input element's name attribute used when pre-rendering the component |
string
| — |
|
|
no_highlight
|
Disable text highlighting in matching search results (highlighting is enabled by default) |
boolean
|
false
|
|
|
disabled
|
Disables input as well as the search and cancel buttons. |
boolean
|
false
|
|
npm install @bolt/components-typeahead
In this example, we populate the Typeahead component with JSON data that's dynamically fetched from an external source via the getSuggestions hook.
Also, this demo caps the max # of search results to display at 5.
{% include "@bolt-components-form/form.twig" with {
children: include("@bolt-components-typeahead/typeahead.twig", {
attributes: {
class: [
"js-typeahead-hook--dynamically-fetch-data"
]
},
max_results: 5,
input_name: "q"
}),
attributes: {
action: "https://www.pega.com/search",
target: "_blank",
method: "GET"
}
} %}
// NOTE: make sure you're running this code through a tool like Babel before shipping for cross browser compatibility!
const dynamicTypeaheadDemo = document.querySelector(
'.js-typeahead-hook--dynamically-fetch-data',
);
const setupEventHandlers = () => {
// note: make sure to let Typeahead know when the data fetched is ready
dynamicTypeaheadDemo.on('getSuggestions', async value => {
return await new Promise(async resolve => {
await fetch('/build/data/typeahead.data.json')
.then(function(response) {
return response.json();
})
.then(function(data) {
return resolve(data);
});
});
});
dynamicTypeaheadDemo.on('onSelected', (element, event, suggestion) => {
const exactMatch = element.items.filter(
item => item.label === suggestion.suggestionValue,
)[0];
function navigateTo(url) {
if (window.location !== window.parent.location) {
const win = window.open(url, '_blank');
win.focus();
} else {
window.location = url;
}
}
if (exactMatch && exactMatch.url) {
if (exactMatch.url) {
navigateTo(exactMatch.url);
} else {
navigateTo(`https://www.pega.com/search?q=${itemSelected.label}`);
}
} else if (suggestion.suggestionValue !== '') {
navigateTo(`https://www.pega.com/search?q=${suggestion.suggestionValue}`);
}
});
};
if (dynamicTypeaheadDemo) {
if (dynamicTypeaheadDemo._wasInitiallyRendered) {
setupEventHandlers();
}
dynamicTypeaheadDemo.addEventListener('ready', e => {
if (e.detail.name === 'bolt-typeahead') {
setupEventHandlers();
}
});
}