1. module base65536
   1. function base65536.decode (str)
   2. function base65536.encode (buf)

module base65536

function base65536.decode (str)

• description and source-code

  decode = function (str) {
  		var bytes = [];
  		var done = false;
  		spreadString(str).forEach(function(codePoint) {
  			if(done) {
  				throw Error("Base65536 sequence continued after final byte");
  			}
  			var b1 = codePoint & ((possibleBytes) - 1);
  			var blockStart = codePoint - b1;
  			if(blockStart === paddingBlockStart) {
  				bytes.push(b1);
  				done = true;
  			} else {
  				var b2 = b2s[blockStart];
  				if(b2 === undefined) {
  					throw Error("Not a valid Base65536 code point: " + String(codePoint));
  				}
  				bytes.push(b1, b2);
  			}
  		});
  		return Buffer.from(bytes)
  	}

• example usage

  ...
  var base65536 = require("base65536");
  
  var buf = new Buffer("hello world"); // 11 bytes
  
  var str = base65536.encode(buf);
  console.log(str); // 6 code points, "驨ꍬ啯𒁷ꍲᕤ"
  
  var buf2 = base65536.decode(str);
  console.log(buf.equals(buf2)); // true
  ```
  
  ## API
  
  ### base65536.encode(buf)
  ...

function base65536.encode (buf)

• description and source-code

  encode = function (buf) {
  		var codePoints = [];
  		for(var i = 0; i < buf.length; i += 2) {
  			var b1 = buf[i];
  			var blockStart = i + 1 < buf.length ? blockStarts[buf[i + 1]] : paddingBlockStart;
  			var codePoint = blockStart + b1;
  			codePoints.push(codePoint);
  		}
  		return codePoints.map(function(codePoint) {
  			if(codePoint < bmpThreshold) {
  				var first = codePoint;
  				return String.fromCharCode(first);
  			}
  
  			// UTF-16 encode
  			var first = high + ((codePoint - bmpThreshold) / offset);
  			var second = low + (codePoint % offset);
  			return String.fromCharCode(first) + String.fromCharCode(second);
  		}).join("");
  	}

• example usage

  ...
  ## Usage
  
  ```js
  var base65536 = require("base65536");
  
  var buf = new Buffer("hello world"); // 11 bytes
  
  var str = base65536.encode(buf);
  console.log(str); // 6 code points, "驨ꍬ啯𒁷ꍲᕤ"
  
  var buf2 = base65536.decode(str);
  console.log(buf.equals(buf2)); // true
  ```
  
  ## API
  ...