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Call to Datamuse api to retreive the data.
import 'dart:async';
import 'package:http/http.dart' as http;
import 'dart:convert' as convert;
class BackendService {
static Future<List<Map<String, String>>> getSuggestions(String query) async {
if (query.isEmpty && query.length < 3) {
print('Query needs to be at least 3 chars');
return Future.value([]);
var url = Uri.https('', '/sug', {'s': query});
var response = await http.get(url);
List<Suggestion> suggestions = [];
if (response.statusCode == 200) {
Iterable json = convert.jsonDecode(response.body);
suggestions =
List<Suggestion>.from( => Suggestion.fromJson(model)));
print('Number of suggestion: ${suggestions.length}.');
} else {
print('Request failed with status: ${response.statusCode}.');
return Future.value(suggestions
.map((e) => {'name': e.word, 'score': e.score.toString()})
class Suggestion {
final int score;
final String word;
required this.score,
required this.word,
factory Suggestion.fromJson(Map<String, dynamic> json) {
return Suggestion(
word: json['word'],
score: json['score'],
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