is-base64 - npm Package Compare versions

Comparing version 0.0.1 to 0.0.2

is-base64.js

@@ -5,4 +5,4 @@ (function(root) {
   function isBase64(v) {
-    var re = /^(data:\w+\/png;base64,)?([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$/gi;
-    return re.test(v);
+    var regex = /^(data:\w+\/[a-zA-Z\+\-\.]+;base64,)?([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$/gi;
+    return regex.test(v);
   }
@@ -9,0 +9,0 @@

package.json

 {
   "name": "is-base64",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "Predicate that returns true if base64 string.",
@@ -26,5 +26,5 @@ "main": "is-base64.js",
   "homepage": "https://github.com/miguelmota/is-base64",
-  "dependencies": {
+  "devDependencies": {
     "tape": "^3.0.3"
   }
 }

test/is-base64.js

@@ -5,10 +5,25 @@ var test = require('tape');
 test('isBase64', function (t) {
-  t.plan(5);
+  t.plan(11);
 
-  var string = 'iVBORw0KGgoAAAANSUhEUgAABQAAAALQAQMAAAD1s08VAAAAA1BMVEX/AAAZ4gk3AAAAh0lEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4GsTfAAGc95RKAAAAAElFTkSuQmCC';
+  var pngString = 'iVBORw0KGgoAAAANSUhEUgAABQAAAALQAQMAAAD1s08VAAAAA1BMVEX/AAAZ4gk3AAAAh0lEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4GsTfAAGc95RKAAAAAElFTkSuQmCC';
+  var pngStringWithMime = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAABQAAAALQAQMAAAD1s08VAAAAA1BMVEX/AAAZ4gk3AAAAh0lEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4GsTfAAGc95RKAAAAAElFTkSuQmCC';
+  var jpgString = '/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEACAhITMkM1EwMFFCLy8vQiccHBwcJyIXFxcXFyIRDAwMDAwMEQwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwBIjMzNCY0IhgYIhQODg4UFA4ODg4UEQwMDAwMEREMDAwMDAwRDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDP/AABEIAAYABgMBIgACEQEDEQH/xABVAAEBAAAAAAAAAAAAAAAAAAAAAxAAAQQCAwEAAAAAAAAAAAAAAgABAxQEIxIkMxMBAQAAAAAAAAAAAAAAAAAAAAARAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AIE7MwkbOUJDJWx+ZjXATitx2/h2bEWvX5Y0npQ7aIiD/9k='
+  var jpgStringWithMime = 'data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEACAhITMkM1EwMFFCLy8vQiccHBwcJyIXFxcXFyIRDAwMDAwMEQwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwBIjMzNCY0IhgYIhQODg4UFA4ODg4UEQwMDAwMEREMDAwMDAwRDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDP/AABEIAAYABgMBIgACEQEDEQH/xABVAAEBAAAAAAAAAAAAAAAAAAAAAxAAAQQCAwEAAAAAAAAAAAAAAgABAxQEIxIkMxMBAQAAAAAAAAAAAAAAAAAAAAARAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AIE7MwkbOUJDJWx+ZjXATitx2/h2bEWvX5Y0npQ7aIiD/9k=';
 
-  var stringWithMime = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAABQAAAALQAQMAAAD1s08VAAAAA1BMVEX/AAAZ4gk3AAAAh0lEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4GsTfAAGc95RKAAAAAElFTkSuQmCC';
+  // Test agains real images
+  t.equal(isBase64(pngString), true);
+  t.equal(isBase64(pngStringWithMime), true);
+  t.equal(isBase64(jpgString), true);
+  t.equal(isBase64(jpgStringWithMime), true);
 
-  t.equal(isBase64(string), true);
-  t.equal(isBase64(stringWithMime), true);
+  // helper for creating fake valid mime strings
+  const createMimeString = (mime) => `data:${mime};base64,${pngString}`;
+
+  // Random complex mime types taken from:
+  // http://www.freeformatter.com/mime-types-list.html
+  t.equal(isBase64(createMimeString('application/vnd.apple.installer+xml')), true);
+  t.equal(isBase64(createMimeString('image/svg+xml')), true);
+  t.equal(isBase64(createMimeString('application/set-payment-initiation')), true);
+  t.equal(isBase64(createMimeString('image/vnd.adobe.photoshop')), true);
+
   t.equal(isBase64('1342234'), false);
@@ -15,0 +30,0 @@ t.equal(isBase64('afQ$%rfew'), false);

No alert changes

Improved metrics

Total package byte prevSize

7899

24.81%

Dependency count

0

-100%

Lines of code

70

27.27%

Worsened metrics

Dev dependency count

1

Infinity%

Dependency changes

• - Removed

  tape@^3.0.3

• - Removed

  deep-equal@0.2.2
  (transitive)

• - Removed

  defined@0.0.0
  (transitive)

• - Removed

  glob@3.2.11
  (transitive)

• - Removed

  inherits@2.0.4
  (transitive)

• - Removed

  lru-cache@2.7.3
  (transitive)

• - Removed

  minimatch@0.3.0
  (transitive)

• - Removed

  object-inspect@0.4.0
  (transitive)

• - Removed

  resumer@0.0.0
  (transitive)

• - Removed

  sigmund@1.0.1
  (transitive)

• - Removed

  tape@3.6.1
  (transitive)

• - Removed

  through@2.3.8
  (transitive)