file-download.js

@@ -1,30 +1,35 @@
-module.exports = function(data, filename, mime) {
-    var blob = new Blob([data], {type: mime || 'application/octet-stream'});
+module.exports = function(data, filename, mime, bom) {
+    var blobData = (typeof bom !== 'undefined') ? [bom, data] : [data]
+    var blob = new Blob(blobData, {type: mime || 'application/octet-stream'});
     if (typeof window.navigator.msSaveBlob !== 'undefined') {
-        // IE workaround for "HTML7007: One or more blob URLs were 
-        // revoked by closing the blob for which they were created. 
-        // These URLs will no longer resolve as the data backing 
+        // IE workaround for "HTML7007: One or more blob URLs were
+        // revoked by closing the blob for which they were created.
+        // These URLs will no longer resolve as the data backing
         // the URL has been freed."
         window.navigator.msSaveBlob(blob, filename);
     }
     else {
-        var blobURL = window.URL.createObjectURL(blob);
+        var blobURL = (window.URL && window.URL.createObjectURL) ? window.URL.createObjectURL(blob) : window.webkitURL.createObjectURL(blob);
         var tempLink = document.createElement('a');
         tempLink.style.display = 'none';
         tempLink.href = blobURL;
-        tempLink.setAttribute('download', filename); 
-        
+        tempLink.setAttribute('download', filename);
+
         // Safari thinks _blank anchor are pop ups. We only want to set _blank
         // target if the browser does not support the HTML5 download attribute.
-        // This allows you to download files in desktop safari if pop up blocking 
+        // This allows you to download files in desktop safari if pop up blocking
         // is enabled.
         if (typeof tempLink.download === 'undefined') {
             tempLink.setAttribute('target', '_blank');
         }
-        
+
         document.body.appendChild(tempLink);
         tempLink.click();
-        document.body.removeChild(tempLink);
-        window.URL.revokeObjectURL(blobURL);
+
+        // Fixes "webkit blob resource error 1"
+        setTimeout(function() {
+            document.body.removeChild(tempLink);
+            window.URL.revokeObjectURL(blobURL);
+        }, 200)
     }
 }

js-file-download.d.ts

@@ -2,6 +2,7 @@ declare module 'js-file-download' {
     export default function fileDownload(
         data: string | ArrayBuffer | ArrayBufferView | Blob,
         filename: string,
-        mime?: string
+        mime?: string,
+        bom?: string
     ): void;
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "js-file-download",
-  "version": "0.4.5",
+  "version": "0.4.12",
   "description": "Javascript function that triggers browser to save javascript-generated content to a file",
   "main": "file-download.js",
   "scripts": {