Fix JSON encoding

lib/src/objects.dart

@@ -140,10 +140,12 @@ class KanjiResult {
 
   Map<String, dynamic> toJson() {
 
-    if (found == false) return {
+    if (found == false) {
+      return {
         'query': query,
         'found': found
       };
+    }
 
     return {
       'query': query,
@@ -175,6 +177,13 @@ class ExampleSentencePiece {
     this.unlifted = unlifted;
     this.lifted = lifted;
   }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'unlifted': unlifted,
+      'lifted': lifted
+    };
+  }
 }
 
 class ExampleResultData {
@@ -183,12 +192,21 @@ class ExampleResultData {
   String english;
   List<ExampleSentencePiece> pieces;
 
-  ExampleResultData({String kanji, String kana, String english, List<ExampleSentencePiece> pieces}){
+  ExampleResultData({String english, String kanji, String kana, List<ExampleSentencePiece> pieces}){
+    this.english = english;
     this.kanji = kanji;
     this.kana = kana;
-    this.english = english;
     this.pieces = pieces;
   }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'english': english,
+      'kanji': kanji,
+      'kana': kana,
+      'pieces': pieces
+    };
+  }
 }
 
 class ExampleResults {
@@ -198,13 +216,23 @@ class ExampleResults {
   List<ExampleResultData> results;
   String phrase;
 
-  ExampleResults({String query, bool found, String uri, List<ExampleResultData> results, String phrase}){
+  ExampleResults({String query, bool found, List<ExampleResultData> results, String uri, String phrase}){
     this.query = query;
     this.found = found;
-    this.uri = uri;
     this.results = results;
+    this.uri = uri;
     this.phrase = phrase;
   }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'query': query,
+      'found': found,
+      'results': results,
+      'uri': uri,
+      'phrase': phrase
+    };
+  }
 }
 
 

lib/src/unofficial_jisho_api_base.dart

@@ -3,6 +3,7 @@ import 'package:http/http.dart' as http;
 import 'package:html_unescape/html_unescape.dart' as html_entities;
 import 'dart:convert';
 import 'package:html/parser.dart';
+import 'package:html/dom.dart';
 
 final htmlUnescape = html_entities.HtmlUnescape();
 
@@ -236,7 +237,7 @@ String uriForExampleSearch(String phrase) {
   return '${SCRAPE_BASE_URI}${Uri.encodeComponent(phrase)}%23sentences';
 }
 
-ExampleResultData getKanjiAndKana(div) {
+ExampleResultData getKanjiAndKana(Element div) {
   final ul = div.querySelector('ul');
   final contents = ul.children;
   
@@ -245,10 +246,10 @@ ExampleResultData getKanjiAndKana(div) {
   var kana = '';
   for (var i = 0; i < contents.length; i += 1) {
     final content = contents[i];
-    if (content.tagName == 'li') {
+    if (content.localName == 'li') {
       final li = content;
-      final furigana = li.querySelector('.furigana').text;
+      final furigana = li.querySelector('.furigana')?.text;
-      final unlifted = li.querySelector('.unlinked').text;
+      final unlifted = li.querySelector('.unlinked')?.text;
 
       if (furigana != null) {
         kanji += unlifted;
@@ -284,21 +285,21 @@ ExampleResultData getKanjiAndKana(div) {
   );
 }
 
-List<ExampleSentencePiece> getPieces(sentenceElement) {
+List<ExampleSentencePiece> getPieces(Element sentenceElement) {
   final pieceElements = sentenceElement.querySelectorAll('li.clearfix');
-  final pieces = [];
+  final List<ExampleSentencePiece> pieces = [];
   for (var pieceIndex = 0; pieceIndex < pieceElements.length; pieceIndex += 1) {
     final pieceElement = pieceElements[pieceIndex];
     pieces.add(ExampleSentencePiece(
-      lifted: pieceElement.querySelector('.furigana').text,
+      lifted: pieceElement.querySelector('.furigana')?.text,
-      unlifted: pieceElement.querySelector('.unlinked').text,
+      unlifted: pieceElement.querySelector('.unlinked')?.text,
     ));
   }
 
   return pieces;
 }
 
-ExampleResultData parseExampleDiv(div) {
+ExampleResultData parseExampleDiv(Element div) {
   final result = getKanjiAndKana(div);
   result.english = div.querySelector('.english').text;
   result.pieces = getPieces(div);
@@ -310,7 +311,7 @@ ExampleResults parseExamplePageData(String pageHtml, String phrase) {
   final document = parse(pageHtml);
   final divs = document.querySelectorAll('.sentence_content');
 
-  final results = divs.map((div) => parseExampleDiv(div));
+  final results = divs.map((div) => parseExampleDiv(div)).toList();
 
   return ExampleResults(
     query: phrase,
@@ -325,7 +326,7 @@ ExampleResults parseExamplePageData(String pageHtml, String phrase) {
 
 /* PHRASE SCRAPE FUNCTIONS START */
 
-List<String> getTags(document) {
+List<String> getTags(Document document) {
   final tags = [];
   final tagElements = document.querySelectorAll('.concept_light-tag');
 
@@ -337,7 +338,7 @@ List<String> getTags(document) {
   return tags;
 }
 
-PhrasePageScrapeResult getMeaningsOtherFormsAndNotes(document) {
+PhrasePageScrapeResult getMeaningsOtherFormsAndNotes(Document document) {
   final returnValues = PhrasePageScrapeResult( otherForms: [], notes: [] );
 
   // const meaningsWrapper = $('#page_container > div > div > article > div > div.concept_light-meanings.medium-9.columns > div');

test/unofficial_jisho_api_test.dart

@@ -20,7 +20,7 @@ void runTestCases(List<String> testCaseFiles, Function apiFunction) async {
     final testCase = jsonDecode(file);
     await test('Test ${testCount}', () async {
       final result = await apiFunction(testCase['query']);
-      expect(result, testCase['expectedResult']);
+      expect(jsonEncode(result), jsonEncode(testCase['expectedResult']));
     });
   }
 }