Bug 1933087 - Move splitLongWord helper into mungers.js in cZ. r=frg

suite/chatzilla/js/lib/utils.js

@@ -521,36 +521,6 @@ function arrayHasElementAt(ary, i)
     return typeof ary[i] != "undefined";
 }
 
-/*
- * If there are any wordbreaking characters in |str| within -/+5 characters of
- * of a |pos| then the word is broken up there. Individual chunks of the word
- * are returned as elements of an array.
- */
-function splitLongWord (str, pos)
-{
-    if (str.length <= pos)
-        return [str];
-
-    var ary = new Array();
-    var right = str;
-
-    while (right.length > pos)
-    {
-        /* search for a nice place to break the word, fuzzfactor of +/-5,
-         * centered around |pos| */
-        var splitPos =
-            right.substring(pos - 5, pos + 5).search(/[^A-Za-z0-9]/);
-
-        splitPos = (splitPos != -1) ? pos - 4 + splitPos : pos;
-        ary.push(right.substr (0, splitPos));
-        right = right.substr (splitPos);
-    }
-
-    ary.push (right);
-
-    return ary;
-}
-
 // Creates a random string of |len| characters from a-z, A-Z, 0-9.
 function randomString(len) {
     var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

suite/chatzilla/xul/content/mungers.js

@@ -827,6 +827,35 @@ function insertText(text, containerTag, data)
 
 function insertHyphenatedWord(longWord, containerTag, data)
 {
+    /*
+     * If there are any wordbreaking characters in |str| within -/+5 characters
+     * of a |pos| then the word is broken up there. Individual chunks of the
+     * word are returned as elements of an array.
+     */
+    function splitLongWord(str, pos)
+    {
+        if (str.length <= pos)
+            return [str];
+
+        let ary = new Array();
+        let right = str;
+
+        while (right.length > pos)
+        {
+            /* search for a nice place to break the word, fuzzfactor of +/-5,
+             * centered around |pos| */
+            let splitPos =
+                right.substring(pos - 5, pos + 5).search(/[^A-Za-z0-9]/);
+
+            splitPos = (splitPos != -1) ? pos - 4 + splitPos : pos;
+            ary.push(right.substr(0, splitPos));
+            right = right.substr(splitPos);
+        }
+
+        ary.push(right);
+        return ary;
+    };
+
     var wordParts = splitLongWord(longWord, client.MAX_WORD_DISPLAY);
 
     if (!data || !("dontStyleText" in data))