"isJapanese" check move (#730)

* Move isStringPartiallyJapanese out of ClipboardMonitor

* Create isStringPartiallyJapanese function

* Add textMayBeTranslatable

* Rename API function

* Rename internal function

* Add helper

* Update translatable check

* Pass language to TextScanner

* Pass language explicitly

* Use textMayBeTranslatable

* No redundant translatable check

* Update eslint

* Remove double newline

* Collapse

* Rename

1 files changed, 11 insertions, 0 deletions

diff --git a/ext/js/language/languages.js b/ext/js/language/languages.js
index f964dfec..fd58477d 100755
--- a/ext/js/language/languages.js
+++ b/ext/js/language/languages.js
@@ -47,3 +47,14 @@ export function getAllLanguageTextPreprocessors() {
     }
     return results;
 }
+
+/**
+ * @param {string} text
+ * @param {string} language
+ * @returns {boolean}
+ */
+export function isTextLookupWorthy(text, language) {
+    const descriptor = languageDescriptorMap.get(language);
+    if (typeof descriptor === 'undefined') { return false; }
+    return typeof descriptor.isTextLookupWorthy === 'undefined' || descriptor.isTextLookupWorthy(text);
+}