Add utf8WithoutBOM option

Add `utf8WithoutBOM` option

Author: ushelp

dist/easy.qrcode.min.js

@@ -1,6 +1,6 @@
 {
 	"name": "easyqrcodejs",
-	"version": "4.4.6",
+	"version": "4.4.7",
 	"description": "Cross-browser QRCode generator for pure javascript. Support Canvas, SVG and Table drawing methods. Support Dot style, Logo, Background image, Colorful, Title etc. settings. Support Angular, Vue.js, React, Next.js, Svelte framework. Support binary(hex) data mode.(Running with DOM on client side)",
 	"main": "dist/easy.qrcode.min.js",
 	"scripts": {},

package.json

@@ -311,7 +311,12 @@ var qrcode = new QRCode(DOM_object, options_object);
 
     // =====  Drawing method
     /*
-    drawer: 'canvas' // Which drawing method to use. 'canvas', 'svg'. default is 'canvas'
+    drawer: 'canvas', // Which drawing method to use. 'canvas', 'svg'. default is 'canvas'
+    */   
+   
+    // =====  UTF-8 without BOM
+    /*
+    utf8WithoutBOM: true
     */   
 
 }
@@ -392,11 +397,14 @@ var qrcode = new QRCode(DOM_object, options_object);
 | **binary** | N | Boolean | `false` | Whether it is binary mode, default is text mode.  |    |
 | CORS options| --- | ---|---|---|---|
 | **crossOrigin** | N | String | `null` | String which specifies the CORS setting to use when retrieving the image. null means that the crossOrigin attribute is not set. `'anonymous'`, `null`. |    |
+| UTF-8 options| --- | ---|---|---|---|
+| **utf8WithoutBOM** | N | Boolean | `true` | Use UTF-8 without BOM. set to `false` value will use BOM in UFT-8.|   |
 | Drawing method options| --- | ---|---|---|---|
 | **drawer** | N | String | `canvas` | Which drawing method to use. `canvas`, `svg`. | Chrome, FF, IE9+. |
 
 
 
+
 ### Method
 
 

readme.md

@@ -3,7 +3,7 @@
  * 
  * Cross-browser QRCode generator for pure javascript. Support Canvas, SVG and Table drawing methods. Support Dot style, Logo, Background image, Colorful, Title etc. settings. Support Angular, Vue.js, React, Next.js, Svelte framework. Support binary(hex) data mode.(Running with DOM on client side)
  * 
- * Version 4.4.6
+ * Version 4.4.7
  * 
  * @author [ inthinkcolor@gmail.com ]
  * 
@@ -45,7 +45,7 @@
 
     var QRCode;
 
-    function QR8bitByte(data, binary) {
+    function QR8bitByte(data, binary, utf8WithoutBOM) {
         this.mode = QRMode.MODE_8BIT_BYTE;
         this.data = data;
         this.parsedData = [];
@@ -80,8 +80,7 @@
         }
 
         this.parsedData = Array.prototype.concat.apply([], this.parsedData);
-
-        if (this.parsedData.length != this.data.length) {
+        if (!utf8WithoutBOM && this.parsedData.length != this.data.length) {
             this.parsedData.unshift(191);
             this.parsedData.unshift(187);
             this.parsedData.unshift(239);
@@ -109,8 +108,8 @@
     }
 
     QRCodeModel.prototype = {
-        addData: function(data, binary) {
-            var newData = new QR8bitByte(data, binary);
+        addData: function(data, binary, utf8WithoutBOM) {
+            var newData = new QR8bitByte(data, binary, utf8WithoutBOM);
             this.dataList.push(newData);
             this.dataCache = null;
         },
@@ -2003,7 +2002,10 @@
             drawer: 'canvas', // Drawing method: canvas, svg(Chrome, FF, IE9+)
 
             // ==== CORS
-            crossOrigin: null // String which specifies the CORS setting to use when retrieving the image. null means that the crossOrigin attribute is not set.
+            crossOrigin: null, // String which specifies the CORS setting to use when retrieving the image. null means that the crossOrigin attribute is not set.
+
+            // UTF-8 without BOM
+            utf8WithoutBOM: true
         };
 
         if (typeof vOption === 'string') {
@@ -2128,7 +2130,7 @@
     QRCode.prototype.makeCode = function(sText) {
 
         this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption), this._htOption.correctLevel);
-        this._oQRCode.addData(sText, this._htOption.binary);
+        this._oQRCode.addData(sText, this._htOption.binary, this._htOption.utf8WithoutBOM);
         this._oQRCode.make();
         if (this._htOption.tooltip) {
             this._el.title = sText;