From e661c4bd4383816f3f14c7458944795b44a40bad Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Sat, 22 Apr 2017 13:02:06 -0700
Subject: add option to disable searching of alphanumeric text, fixes #47

---
 ext/bg/js/util.js | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

(limited to 'ext/bg/js/util.js')

diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index 64143ffe..09337c63 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -30,6 +30,20 @@ function promiseCallback(promise, callback) {
 }
 
 
+/*
+ * Japanese
+ */
+
+function jpIsKanji(c) {
+    const code = c.charCodeAt(0);
+    return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
+}
+
+function jpIsKana(c) {
+    return wanakana.isKana(c);
+}
+
+
 /*
  * Commands
  */
@@ -98,6 +112,7 @@ function optionsSetDefaults(options) {
             middleMouse: true,
             selectText: true,
             imposter: true,
+            alphanumeric: true,
             delay: 15,
             length: 10
         },
@@ -489,14 +504,9 @@ function jsonLoadDb(indexUrl, indexLoaded, termsLoaded, kanjiLoaded) {
  */
 
 function handlebarsKanjiLinks(options) {
-    const isKanji = c => {
-        const code = c.charCodeAt(0);
-        return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
-    };
-
     let result = '';
     for (const c of options.fn(this)) {
-        if (isKanji(c)) {
+        if (jpIsKanji(c)) {
             result += `<a href="#" class="kanji-link">${c}</a>`;
         } else {
             result += c;
-- 
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