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handled errors from getResponseHeader call

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DnMllr
2015-10-23 14:25:41 -07:00
parent 185a01c1e6
commit f7328d4993
1 changed files with 9 additions and 5 deletions
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14
src/HTMLImports/xhr.js
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@@ -31,12 +31,16 @@ var xhr = {
if (request.readyState === 4) {
// Servers redirecting an import can add a Location header to help us
// polyfill correctly.
var locationHeader = request.getResponseHeader("Location");
var redirectedUrl = null;
if (locationHeader) {
var redirectedUrl = (locationHeader.substr( 0, 1 ) === "/")
? location.origin + locationHeader // Location is a relative path
: locationHeader; // Full path
try {
var locationHeader = request.getResponseHeader("Location");
if (locationHeader) {
var redirectedUrl = (locationHeader.substr( 0, 1 ) === "/")
? location.origin + locationHeader // Location is a relative path
: locationHeader; // Full path
}
} catch ( e ) {
console.error( e.message );
}
next.call(nextContext, !xhr.ok(request) && request,
request.response || request.responseText, redirectedUrl);