extes - npm Package Compare versions

Comparing version 1.0.10 to 1.0.11

array-buffer.esm.js

@@ -7,2 +7,11 @@ /**
 
+const HEX_FORMAT = /^(0x)?([0-9a-fA-F]+)$/;
+const HEX_MAP	 = "0123456789abcdef";
+const HEX_MAP_R	 = {
+	"0":0, "1":1, "2":2, "3":3,
+	"4":4, "5":5, "6":6, "7":7,
+	"8":8, "9":9, "a":10, "b":11,
+	"c":12, "d":13, "e":14, "f":15
+};
+
 Object.defineProperty(ArrayBuffer.prototype, 'bytes', {
@@ -12,2 +21,16 @@ get:function(){ return new Uint8Array(this); },
 });
+Object.defineProperty(ArrayBuffer.prototype, 'toString', {
+	value:function(padding=false){
+		const bytes = new Uint8Array(this);
+		
+		let hex = '';
+		for(let i=0; i<bytes.length; i++) {
+			const value = bytes[i];
+			hex += HEX_MAP[(value&0xF0)>>>4] + HEX_MAP[value&0x0F];
+		}
+		
+		return padding ? hex : hex.replace(/^0+/, '');
+	},
+	configurable:true, enumerable:false, writable:true
+});
 
@@ -118,6 +141,32 @@ ArrayBuffer.extract = function(input) {
 	if ( typeof input === "string" ) {
-		return UTF8Encode(input).buffer;
+		if ( conversion_info === "hex" ) {
+			const matches = input.match(HEX_FORMAT);
+			if ( !matches ) {
+				throw new RangeError( "Input argument is not a valid hex string!" );
+			}
+		
+			let [,,hex_string] = matches;
+			if ( hex_string.length % 2 === 0 ) {
+				hex_string = hex_string.toLowerCase();
+			}
+			else {
+				hex_string = '0' + hex_string.toLowerCase();
+			}
+			
+			
+			
+			const buff = new Uint8Array((hex_string.length/2)|0);
+			for ( let i=0; i<buff.length; i++ ) {
+				const offset = i * 2;
+				buff[i] = HEX_MAP_R[hex_string[offset]]<<4 | (HEX_MAP_R[hex_string[offset+1]] & 0x0F);
+			}
+			
+			return buff.buffer;
+		}
+		else {
+			return UTF8Encode(input).buffer;
+		}
 	}
 	
-	throw new TypeError( "Cannot convert given input data into array buffer" );
+	throw new TypeError( "Cannot convert given input data into array buffer!" );
 };

package.json

 {
 	"name": "extes",
-	"version": "1.0.10",
+	"version": "1.0.11",
 	"description": "A tiny library that extends native js with some handy tools",
@@ -5,0 +5,0 @@ "main": "index.mjs",

No alert changes

Improved metrics

Total package byte prevSize

16792

increased by8.12%

Lines of code

541

increased by8.2%

No dependency changes