extes - npm Package Compare versions

Comparing version 1.0.11 to 1.0.12

array-buffer.esm.js

@@ -8,2 +8,3 @@ /**
 const HEX_FORMAT = /^(0x)?([0-9a-fA-F]+)$/;
+const BIT_FORMAT = /^(0b|0B)?([01]+)$/;
 const HEX_MAP	 = "0123456789abcdef";
@@ -22,12 +23,28 @@ const HEX_MAP_R	 = {
 Object.defineProperty(ArrayBuffer.prototype, 'toString', {
-	value:function(padding=false){
+	value:function(format=16, 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];
+		let result = '';
+		switch(format) {
+			case 16:
+				for(let i=0; i<bytes.length; i++) {
+					const value = bytes[i];
+					result += HEX_MAP[(value&0xF0)>>>4] + HEX_MAP[value&0x0F];
+				}
+				break;
+				
+			case 2:
+				for(let i=0; i<bytes.length; i++) {
+					const value = bytes[i];
+					for (let k=7; k>=0; k--) {
+						result += ((value >>> k) & 0x01) ? '1' : '0';
+					}
+				}
+				break;
+			
+			default:
+				throw new RangeError( "Unsupported numeric representation!" );
 		}
 		
-		return padding ? hex : hex.replace(/^0+/, '');
+		return padding ? result : result.replace(/^0+/, '');
 	},
@@ -165,2 +182,28 @@ configurable:true, enumerable:false, writable:true
 		}
+		else
+		if ( conversion_info === "bits" ) {
+			const matches = input.match(BIT_FORMAT);
+			if ( !matches ) {
+				throw new RangeError( "Input argument is not a valid bit string!" );
+			}
+			
+			let [,,bit_string] = matches;
+			if ( bit_string.length % 8 !== 0 ) {
+				bit_string = '0'.repeat(bit_string.length%8) + bit_string;
+			}
+			
+			
+			
+			const buff = new Uint8Array((bit_string.length/8)|0);
+			for ( let i=0; i<buff.length; i++ ) {
+				const offset = i * 8;
+				let value = (bit_string[offset]==='1'?1:0);
+				for (let k=1; k<8; k++) {
+					value = (value << 1) | (bit_string[offset + k]==='1'?1:0);
+				}
+				buff[i] = value;
+			}
+			
+			return buff.buffer;
+		}
 		else {
@@ -167,0 +210,0 @@ return UTF8Encode(input).buffer;

package.json

 {
 	"name": "extes",
-	"version": "1.0.11",
+	"version": "1.0.12",
 	"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

17859

increased by6.35%

Lines of code

577

increased by6.65%

No dependency changes