fixing cloze bug

ext/bg/js/options.js

@@ -368,9 +368,6 @@ function ankiFieldsPopulate(element, options) {
         ],
         'kanji': [
             'character',
-            'cloze-body',
-            'cloze-prefix',
-            'cloze-suffix',
             'dictionary',
             'glossary',
             'kunyomi',

ext/fg/js/util.js

@@ -182,7 +182,7 @@ function docSentenceExtract(source, extent) {
 
     quoteStack = [];
 
-    let endPos = content.length - 1;
+    let endPos = content.length;
     for (let i = position; i <= endPos; ++i) {
         const c = content[i];
 
@@ -205,7 +205,7 @@ function docSentenceExtract(source, extent) {
     }
 
     const text = content.substring(startPos, endPos);
-    const padding = text.length - text.replace(/^\s+/, '');
+    const padding = text.length - text.replace(/^\s+/, '').length;
 
     return {
         text: text.trim(),

ext/mixed/js/display.js

@@ -108,7 +108,7 @@ class Display {
 
         if (context) {
             for (const definition of definitions) {
-                definition.cloze = clozeBuild(context.sentence, definition.source);
+                definition.cloze = clozeBuild(context.sentence);
                 definition.url = context.url;
             }
         }

ext/mixed/js/util.js

@@ -22,12 +22,17 @@
  */
 
 function clozeBuild(sentence, source) {
-    return {
+    const result = {
-        sentence: sentence.text.trim(),
+        sentence: sentence.text.trim()
-        prefix: sentence.text.substring(0, sentence.offset).trim(),
-        body: source.trim(),
-        suffix: sentence.text.substring(sentence.offset + source.length).trim()
     };
+
+    if (source) {
+        result.prefix = sentence.text.substring(0, sentence.offset).trim();
+        result.body = source.trim();
+        result.suffix = sentence.text.substring(sentence.offset + source.length).trim();
+    }
+
+    return result;
 }