jschardet - npm Package Compare versions

Comparing version 2.2.0 to 2.2.1

package.json

 {
     "name": "jschardet",
-    "version": "2.2.0",
+    "version": "2.2.1",
     "description": "Character encoding auto-detection in JavaScript (port of python's chardet)",
@@ -5,0 +5,0 @@ "author": "António Afonso",

src/utf8prober.js

@@ -52,2 +52,3 @@ /*
         this._mFullLen = 0;
+        this._mBasicAsciiLen = 0;
     }
@@ -60,3 +61,3 @@
     this.feed = function(aBuf) {
-        this._mFullLen = aBuf.length;
+        this._mFullLen += aBuf.length;
         for( var i = 0, c; i < aBuf.length; i++ ) {
@@ -75,2 +76,4 @@ c = aBuf[i];
                     this._mMBCharLen += this._mCodingSM.getCurrentCharLen();
+                } else if( c.charCodeAt(0) < 128 ) { // codes higher than 127 are extended ASCII
+                    this._mBasicAsciiLen++;
                 }
@@ -91,3 +94,8 @@ }
         var unlike = 0.99;
-        if( this._mNumOfMBChar < 6 && (this._mMBCharLen / this._mFullLen) <= 0.6 ) {
+        var mbCharRatio = 0;
+        var nonBasciAsciiLen = (this._mFullLen - this._mBasicAsciiLen);
+        if( nonBasciAsciiLen > 0 ) {
+            mbCharRatio = this._mMBCharLen / nonBasciAsciiLen;
+        }
+        if( this._mNumOfMBChar < 6 && mbCharRatio <= 0.6 ) {
             for( var i = 0; i < this._mNumOfMBChar; i++ ) {
@@ -94,0 +102,0 @@ unlike *= Math.pow(ONE_CHAR_PROB, this._mNumOfMBChar);

tests/jschardet.js

@@ -35,3 +35,5 @@ /*
     u.feed("\xc3\xa0");
-    u.feed("\xc3\xadabc");
+    u.feed("\xc3\xad");
+    u.feed("this is a very loooong basic ascii string");
+    u.feed("this is another very loooong basci ascii string");
     u.close();
@@ -43,3 +45,3 @@ equals( u.result.encoding, "UTF-8" );
     // àíà
-    var str = "\xc3\xa0\xc3\xad\xc3\xa0abc";
+    var str = "\xc3\xa0\xc3\xad\xc3\xa0this is a very loooong  basic ascii string, and this is another very long basic ascii string";
     equals( jschardet.detect(str).encoding, "UTF-8" );
@@ -46,0 +48,0 @@ });

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Improved metrics

Total package byte prevSize

1362674

increased by0.08%

Lines of code

17357

increased by0.11%

No dependency changes