Local file ajax call statuscode can be 0 on some environments (cordov…

…a iOS)
mapbox · Jul 25, 2018 · 4031b50 · 4031b50
1 parent b446917
commit 4031b50
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/util/ajax.js b/src/util/ajax.js
@@ -77,7 +77,8 @@ export const getJSON = function(requestParameters: RequestParameters, callback:
         callback(new Error(xhr.statusText));
     };
     xhr.onload = function() {
-        if (xhr.status >= 200 && xhr.status < 300 && xhr.response) {
+        const isFile = xhr.responseURL && xhr.responseURL.indexOf("file://") === 0; // If loading a local file, don't check status code
+        if (((xhr.status >= 200 && xhr.status < 300) || isFile) && xhr.response) {
             let data;
             try {
                 data = JSON.parse(xhr.response);
@@ -108,7 +109,8 @@ export const getArrayBuffer = function(requestParameters: RequestParameters, cal
         if (response.byteLength === 0 && xhr.status === 200) {
             return callback(new Error('http status 200 returned without content.'));
         }
-        if (xhr.status >= 200 && xhr.status < 300 && xhr.response) {
+        const isFile = xhr.responseURL && xhr.responseURL.indexOf("file://") === 0; // If loading a local file, don't check status code
+        if (((xhr.status >= 200 && xhr.status < 300) || isFile) && xhr.response) {
             callback(null, {
                 data: response,
                 cacheControl: xhr.getResponseHeader('Cache-Control'),