fix bug wordcount (#654)

2020-03-27 21:44:30 +08:00 · 2020-03-27 21:44:30 +08:00 · eb2d49bfe4
parent e1cffe7827
commit eb2d49bfe4
1 changed files with 4 additions and 1 deletions
--- a/includes/helpers/site.js
+++ b/includes/helpers/site.js
@ -57,6 +57,9 @@ module.exports = function (hexo) {
     * Get the word count of a paragraph.
     */
    hexo.extend.helper.register('word_count', function (content) {
+	if (typeof(content) == "undefined") {
+            return 0
+        }
        content = content.replace(/<\/?[a-z][^>]*>/gi, '');
        content = content.trim();
        return content ? (content.match(/[\u00ff-\uffff]|[a-zA-Z]+/g) || []).length : 0;