blueimp-canvas-to-blob - npm Package Compare versions

Comparing version 2.0.1 to 2.0.3

canvas-to-blob.js

 /*
- * JavaScript Canvas to Blob 2.0.1
+ * JavaScript Canvas to Blob 2.0.3
  * https://github.com/blueimp/JavaScript-Canvas-to-Blob
@@ -16,3 +16,3 @@ *
 /*jslint nomen: true, regexp: true */
-/*global window, atob, ArrayBuffer, Uint8Array, define */
+/*global window, atob, Blob, ArrayBuffer, Uint8Array, define */
 
@@ -23,6 +23,21 @@ (function (window) {
             window.HTMLCanvasElement.prototype,
+        hasBlobConstructor = window.Blob && (function () {
+            try {
+                return Boolean(new Blob());
+            } catch (e) {
+                return false;
+            }
+        }()),
+        hasArrayBufferViewSupport = hasBlobConstructor && window.Uint8Array &&
+            (function () {
+                try {
+                    return new Blob([new Uint8Array(100)]).size === 100;
+                } catch (e) {
+                    return false;
+                }
+            }()),
         BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder ||
             window.MozBlobBuilder || window.MSBlobBuilder,
-        dataURLtoBlob = BlobBuilder && window.atob && window.ArrayBuffer &&
-            window.Uint8Array && function (dataURI) {
+        dataURLtoBlob = (hasBlobConstructor || BlobBuilder) && window.atob &&
+            window.ArrayBuffer && window.Uint8Array && function (dataURI) {
                 var byteString,
@@ -32,4 +47,4 @@ arrayBuffer,
                     i,
-                    bb,
-                    mimeString;
+                    mimeString,
+                    bb;
                 if (dataURI.split(',')[0].indexOf('base64') >= 0) {
@@ -48,7 +63,13 @@ // Convert base64 to raw binary data held in a string:
                 }
-                // Write the ArrayBuffer to a blob:
+                // Separate out the mime component:
+                mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
+                // Write the ArrayBuffer (or ArrayBufferView) to a blob:
+                if (hasBlobConstructor) {
+                    return new Blob(
+                        [hasArrayBufferViewSupport ? intArray : arrayBuffer],
+                        {type: mimeString}
+                    );
+                }
                 bb = new BlobBuilder();
                 bb.append(arrayBuffer);
-                // Separate out the mime component:
-                mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
                 return bb.getBlob(mimeString);
@@ -67,3 +88,3 @@ };
     }
-    if (typeof define !== 'undefined' && define.amd) {
+    if (typeof define === 'function' && define.amd) {
         define(function () {
@@ -70,0 +91,0 @@ return dataURLtoBlob;

canvas-to-blob.min.js

@@ -1,1 +0,1 @@
-(function(a){"use strict";var b=a.HTMLCanvasElement&&a.HTMLCanvasElement.prototype,c=a.BlobBuilder||a.WebKitBlobBuilder||a.MozBlobBuilder||a.MSBlobBuilder,d=c&&a.atob&&a.ArrayBuffer&&a.Uint8Array&&function(a){var b,d,e,f,g,h;a.split(",")[0].indexOf("base64")>=0?b=atob(a.split(",")[1]):b=decodeURIComponent(a.split(",")[1]),d=new ArrayBuffer(b.length),e=new Uint8Array(d);for(f=0;f<b.length;f+=1)e[f]=b.charCodeAt(f);return g=new c,g.append(d),h=a.split(",")[0].split(":")[1].split(";")[0],g.getBlob(h)};a.HTMLCanvasElement&&!b.toBlob&&(b.mozGetAsFile?b.toBlob=function(a,b){a(this.mozGetAsFile("blob",b))}:b.toDataURL&&d&&(b.toBlob=function(a,b){a(d(this.toDataURL(b)))})),typeof define!="undefined"&&define.amd?define(function(){return d}):a.dataURLtoBlob=d})(this);
+(function(a){"use strict";var b=a.HTMLCanvasElement&&a.HTMLCanvasElement.prototype,c=a.Blob&&function(){try{return Boolean(new Blob)}catch(a){return!1}}(),d=c&&a.Uint8Array&&function(){try{return(new Blob([new Uint8Array(100)])).size===100}catch(a){return!1}}(),e=a.BlobBuilder||a.WebKitBlobBuilder||a.MozBlobBuilder||a.MSBlobBuilder,f=(c||e)&&a.atob&&a.ArrayBuffer&&a.Uint8Array&&function(a){var b,f,g,h,i,j;a.split(",")[0].indexOf("base64")>=0?b=atob(a.split(",")[1]):b=decodeURIComponent(a.split(",")[1]),f=new ArrayBuffer(b.length),g=new Uint8Array(f);for(h=0;h<b.length;h+=1)g[h]=b.charCodeAt(h);return i=a.split(",")[0].split(":")[1].split(";")[0],c?new Blob([d?g:f],{type:i}):(j=new e,j.append(f),j.getBlob(i))};a.HTMLCanvasElement&&!b.toBlob&&(b.mozGetAsFile?b.toBlob=function(a,b){a(this.mozGetAsFile("blob",b))}:b.toDataURL&&f&&(b.toBlob=function(a,b){a(f(this.toDataURL(b)))})),typeof define=="function"&&define.amd?define(function(){return f}):a.dataURLtoBlob=f})(this);

package.json

 {
     "name": "blueimp-canvas-to-blob",
-    "version": "2.0.1",
+    "version": "2.0.3",
     "title": "JavaScript Canvas to Blob",
@@ -5,0 +5,0 @@ "description": "JavaScript Canvas to Blob is a function to convert canvas elements into Blob objects.",

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Total package byte prevSize

11950

increased by9.24%

Lines of code

173

increased by13.82%

No dependency changes