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-rw-r--r--ext/js/language/text-scanner.js3
1 files changed, 1 insertions, 2 deletions
diff --git a/ext/js/language/text-scanner.js b/ext/js/language/text-scanner.js
index c7cedd7e..5d37c84b 100644
--- a/ext/js/language/text-scanner.js
+++ b/ext/js/language/text-scanner.js
@@ -17,7 +17,6 @@
/* global
* DocumentUtil
- * TextSourceElement
*/
class TextScanner extends EventDispatcher {
@@ -345,7 +344,7 @@ class TextScanner extends EventDispatcher {
if (result !== null) {
({dictionaryEntries, sentence, type} = result);
valid = true;
- } else if (textSource instanceof TextSourceElement && await this._hasJapanese(textSource.fullContent)) {
+ } else if (textSource !== null && textSource.type === 'element' && await this._hasJapanese(textSource.fullContent)) {
dictionaryEntries = [];
sentence = {sentence: '', offset: 0};
type = 'terms';