is-base64 - npm Package Compare versions

Comparing version 0.0.6 to 0.1.0

is-base64.js

@@ -15,9 +15,13 @@ (function(root) {
 
-    var regex = /^(data:\w+\/[a-zA-Z\+\-\.]+;base64,)?(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)?$/gi;
+    var regex = '(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\/]{3}=)?';
 
+    if (opts.mime) {
+      regex = '(data:\\w+\\/[a-zA-Z\\+\\-\\.]+;base64,)?' + regex
+    }
+
     if (opts.paddingRequired === false) {
-      regex = /^(data:\w+\/[a-zA-Z\+\-\.]+;base64,)?(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}(==)?|[A-Za-z0-9+\/]{3}=?)?$/gi;
+      regex = '(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}(==)?|[A-Za-z0-9+\\/]{3}=?)?'
     }
 
-    return regex.test(v);
+    return (new RegExp('^' + regex + '$', 'gi')).test(v);
   }
@@ -24,0 +28,0 @@

package.json

 {
   "name": "is-base64",
-  "version": "0.0.6",
+  "version": "0.1.0",
   "description": "Predicate that returns true if base64 string.",
@@ -18,3 +18,4 @@ "main": "is-base64.js",
     "predicate",
-    "base64"
+    "base64",
+    "mime"
   ],
@@ -28,4 +29,4 @@ "author": "Miguel Mota <[e-mail]> (http://www.miguelmota.com/)",
   "devDependencies": {
-    "tape": "^3.0.3"
+    "tape": "^4.9.1"
   }
 }

README.md

@@ -20,3 +20,4 @@ # is-base64
 console.log(isBase64(string)); // true
-console.log(isBase64(stringWithMime)); // true
+console.log(isBase64(stringWithMime)); // false
+console.log(isBase64(stringWithMime, {mime: true})); // true
 console.log(isBase64('1342234')); // false
@@ -40,2 +41,4 @@ console.log(isBase64('afQ$%rfew')); // false
     - [options.paddingRequired=true] {boolean} - check for padding
+    - [options.mime=false] {boolean} - returns true for valid strings with mime
+    - [options.allowBlank=true] {boolean} - returns true for empty string
 
@@ -42,0 +45,0 @@ # License

test/is-base64.js

@@ -5,3 +5,3 @@ var test = require('tape');
 test('isBase64', function (t) {
-  t.plan(21);
+  t.plan(25);
 
@@ -15,5 +15,7 @@ var pngString = 'iVBORw0KGgoAAAANSUhEUgAABQAAAALQAQMAAAD1s08VAAAAA1BMVEX/AAAZ4gk3AAAAh0lEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4GsTfAAGc95RKAAAAAElFTkSuQmCC';
   t.equal(isBase64(pngString), true);
-  t.equal(isBase64(pngStringWithMime), true);
+  t.equal(isBase64(pngStringWithMime), false);
+  t.equal(isBase64(pngStringWithMime, {mime: true}), true);
   t.equal(isBase64(jpgString), true);
-  t.equal(isBase64(jpgStringWithMime), true);
+  t.equal(isBase64(jpgStringWithMime), false);
+  t.equal(isBase64(jpgStringWithMime, {mime: true}), true);
 
@@ -25,6 +27,6 @@ // helper for creating fake valid mime strings
   // 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(createMimeString('application/vnd.apple.installer+xml'), {mime: true}), true);
+  t.equal(isBase64(createMimeString('image/svg+xml'), {mime: true}), true);
+  t.equal(isBase64(createMimeString('application/set-payment-initiation'), {mime: true}), true);
+  t.equal(isBase64(createMimeString('image/vnd.adobe.photoshop'), {mime: true}), true);
 
@@ -40,2 +42,4 @@ t.equal(isBase64('1342234'), false);
   t.equal(isBase64('uuLMhh==', {paddingRequired: true}), true);
+  t.equal(isBase64('data:image/png;base64,uuLMhh==', {paddingRequired: true}), false);
+  t.equal(isBase64('data:image/png;base64,uuLMhh==', {paddingRequired: true, mime: true}), true);
   t.equal(isBase64(''), true);
@@ -42,0 +46,0 @@ t.equal(isBase64('', {allowBlank: false}), false);

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Improved metrics

Total package byte prevSize

9249

increased by24.53%

Number of package files

10

increased by11.11%

Lines of code

93

increased by32.86%

Number of lines in readme file

46

increased by6.98%

No dependency changes