avoid error "Cannot read property 'match' of null"

I had a problem when trying to use the library, issue reported in Issue ID #187
2018-11-29 14:12:06 -03:00
parent 2c6506af65
commit 5169e34186
1 changed files with 17 additions and 14 deletions
--- a/index.js
+++ b/index.js
@@ -109,6 +109,8 @@ Pjax.prototype = {
    // since we are forced to use documentElement.innerHTML (outerHTML can't be used for <html>)
    var htmlRegex = /<html[^>]+>/gi
    var htmlAttribsRegex = /\s?[a-z:]+(?:\=(?:\'|\")[^\'\">]+(?:\'|\"))*/gi
+    
+    if (html != undefined) {
      var matches = html.match(htmlRegex)
      if (matches && matches.length) {
        matches = matches[0].match(htmlAttribsRegex)
@@ -125,6 +127,7 @@ Pjax.prototype = {
          })
        }
      }
+    }

    tmpEl.documentElement.innerHTML = html
    this.log("load content", tmpEl.documentElement.attributes, tmpEl.documentElement.innerHTML.length)