no need to double-check second half of a surrogate pair

9 years ago · ff5e64e431
parent dbb78b4167
commit ff5e64e431
1 changed files with 4 additions and 2 deletions
--- a/notebook/static/base/js/utils.js
+++ b/notebook/static/base/js/utils.js
@ -1031,7 +1031,8 @@ define([
            if (char_code >= 0xD800 && char_code <= 0xDBFF) {
                var next_char_code = text.charCodeAt(i+1);
                if (next_char_code >= 0xDC00 && next_char_code <= 0xDFFF) {
-                    char_idx -= 1;
+                    char_idx--;
+                    i++;
                }
            }
        }
@ -1046,7 +1047,8 @@ define([
            if (char_code >= 0xD800 && char_code <= 0xDBFF) {
                var next_char_code = text.charCodeAt(i+1);
                if (next_char_code >= 0xDC00 && next_char_code <= 0xDFFF) {
-                    js_idx += 1;
+                    js_idx++;
+                    i++;
                }
            }
        }