places-autocomplete-svelte Svelte Themes

Places Autocomplete Svelte

This Svelte component leverages the Google Maps Places Autocomplete API to provide a user-friendly way to search for and retrieve detailed address information within your SvelteKit applications.

Places Autocomplete Svelte

This Svelte component leverages the Google Maps Places Autocomplete API to provide a user-friendly way to search for and retrieve detailed address information within your SvelteKit applications.

Features:

  • Seamless Integration: Easily integrate the component into your SvelteKit projects.
  • Autocomplete Suggestions: Provides real-time address suggestions as the user types.
  • Detailed Address Retrieval: Retrieve comprehensive address information, including street address, city, region, postal code, and country.
  • Country/Region Filtering: Refine search results by specifying countries or regions.
  • Customizable: Tailor the component's appearance (placeholder, language) and data retrieved (fetchFields).
  • Accessible: Supports keyboard navigation for selecting suggestions.

Demo

See a live demo of the component in action: Demo

Requirements

  • Google Maps API Key: Create an API key with the Places API (New) enabled. Refer to Use API Keys for detailed instructions.

Installation Svelte 5

npm i places-autocomplete-svelte

Installation Svelte 4

npm i [email protected]

Basic Usage

  1. Provide your Google Maps API Key: Replace '___YOUR_API_KEY___' with your actual Google Maps API key.
  2. Handle the Response: Use the onResponse callback to receive the selected place details.
<script>
    import { PlaceAutocomplete } from 'places-autocomplete-svelte';

    const PUBLIC_GOOGLE_MAPS_API_KEY = '___YOUR_API_KEY___';

    let fullResponse = $state('')
    let onResponse = (response) => {
        console.log(response)
        fullResponse = response;
    };
</script>

<PlaceAutocomplete  {onResponse} {PUBLIC_GOOGLE_MAPS_API_KEY} />

<p>Response Object: {JSON.stringify(fullResponse, null, 2)}</p>

Customization

  • countries: Use countries property to refine search by region
  • placeholder: Use the placeholder property to customize the input field's placeholder text.
  • autocomplete: Use to disable the HTML <input> autocomplete attribute.
  • requestParams (autocomplete request):
    • language: Use the language property to set the language of the autocomplete results.
    • region: Use the region property to bias the results toward a particular region. If the countries array is provided the region will be used from the selected country.
  • fetchFields: Use to control the Place response
<script>
    // ... other imports

    /**
     * @type array optional
     */
    let countries = [
        { name: 'United Kingdom', region: 'GB'},
        { name: 'United States', region: 'US' }
        // ... more countries
    ];
    /**
     * @type string optional
     */
    const placeholder = 'Search...';
    /**
     * @type string optional
     * The <input> HTML autocomplete attribute.
     * if ommited defaults to 'off'
     * */ 
    const autocompete = 'off';
    /**
     * @type object optional
     * List of accepted AutocompleteRequest properties
     */
    const requestParams = {
        /**
         * @type string optional
         */
        language : 'en-GB',
        /**
         * @type string optional
         */
        region : 'GB',
    }

    /**
     * @type array optional
     */
    const fetchFields = ['formattedAddress', 'addressComponents'];
</script>

<PlaceAutocomplete 
    {onError} 
    {onResponse} 
    {PUBLIC_GOOGLE_MAPS_API_KEY} 
    bind:countries 
    {placeholder} 
    {autocompete}
    {fetchFields}/>
  • region code follows the CLDR two-character format. The selected country region overwrites the region value in requestParams
  • language in which to return results. If ommited defaults to the browser's language preference. See details
  • requestParams list of accepted AutocompleteRequest properties
  • fetchFields the types of Place data to return when requesting place details. If omitted defaults to ['formattedAddress', 'addressComponents']

Component Properties

Property Type Description Required Default Value
PUBLIC_GOOGLE_MAPS_API_KEY String Your Google Maps Places API Key. Yes
onResponse CustomEvent Dispatched when a place is selected, containing the place details. Yes
onError CustomEvent Dispatched when an error occurs. No
countries Array Array of countries/regions to filter results. No []
placeholder String Placeholder text for the input field. No "Search..."
autocomplete string HTML autocomplete attribute for the input field. Set to "off" to disable browser autocomplete. No "off"
requestParams Object Object for additional request parameters (e.g., types, bounds). See AutocompleteRequest. No {}
fetchFields Array Array of place data fields to return. See Supported Fields No ['formattedAddress', 'addressComponents']

Error Handling

The onError event will be dispatched if there is an issue with the Google Maps API or the autocomplete request.

<script>
    // ... other imports

    // Error handler
    let pacError = '';
    let onError = (error: string) => {
        console.error(error);
        pacError = error;
};
</script>

<PlaceAutocomplete 
{onResponse} 
{onError} 
{PUBLIC_GOOGLE_MAPS_API_KEY} />

{#if pacError}
    <p class="error">{pacError}</p>
{/if}

Contributing

Contributions are welcome! Please open an issue or submit a pull request on the GitHub repository.

License

MIT

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