utf8-bytes - npm Package Compare versions

Comparing version 0.0.0 to 0.0.1

index.js

@@ -5,2 +5,17 @@ module.exports = function (str) {
         var c = str.charCodeAt(i);
+        if (c >= 0xd800 && c <= 0xdbff && i + 1 < str.length) {
+            var cn = str.charCodeAt(i + 1);
+            if (cn >= 0xdc00 && cn <= 0xdfff) {
+                var pt = (c - 0xd800) * 0x400 + cn - 0xdc00 + 0x10000;
+                
+                bytes.push(
+                    0xf0 + Math.floor(pt / 64 / 64 / 64),
+                    0x80 + Math.floor(pt / 64 / 64) % 64,
+                    0x80 + Math.floor(pt / 64) % 64,
+                    0x80 + pt % 64
+                );
+                i += 1;
+                continue;
+            }
+        }
         if (c >= 2048) {
@@ -7,0 +22,0 @@ bytes.push(

package.json

 {
   "name": "utf8-bytes",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "description": "return an array of bytes from a unicode string",
@@ -5,0 +5,0 @@ "main": "index.js",

test/bytes.js

@@ -5,3 +5,11 @@ var bytes = require('../');
 test('some canned examples', function (t) {
-    t.deepEqual(bytes('[☉,☼]'), Buffer('[☉,☼]').toJSON());
+    t.deepEqual(bytes('[☉,☼]'), bufArray('[☉,☼]'));
+    t.deepEqual(
+        bytes('\uD834\uDF06'),
+        [ 240, 157, 140, 134 ]
+    );
+    t.deepEqual(
+        bytes('\uD835\uDC01'),
+        [ 240, 157, 144, 129 ]
+    );
     t.end();
@@ -14,4 +22,8 @@ });
         var s = String.fromCharCode(i);
-        t.deepEqual(bytes(s), Buffer(s).toJSON());
+        t.deepEqual(bytes(s), bufArray(s));
     }
 });
+
+function bufArray (s) {
+    return [].slice.call(Buffer(s));
+}

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Improved metrics

Total package byte prevSize

4217

increased by23.09%

Lines of code

58

increased by75.76%

No dependency changes