A mutable buffer library for both node.js and browser
$ npm install mutable-bufferconst {MutableBuffer} = require('mutable-buffer');
const buffer = new MutableBuffer(/* initialSize, blockSize */);
// use it like node Buffer
buffer.writeUInt8(8);
buffer.writeUInt16LE(0x1234);
buffer.write('hello');
buffer.write(otherBuffer);
// write a string to the buffer utf8 encoded and adds a null character (\0) at the end.
buffer.writeCString('hello');
// write a char
buffer.writeChar('a');
// get size of mutable buffer
buffer.size();
// get current capacity of mutable buffer
buffer.capacity();
// return a sliced Buffer instance
result = buffer.render();
// return a fresh Buffer instance
result = buffer.render(true);
// or return a sliced Buffer instance and clear buffer
result = buffer.flush();
// or return a fresh Buffer instance and clear buffer
result = buffer.flush(true);
// clear manual
buffer.clear();const {MutableBuffer} = require('mutable-buffer');
const buffer = new MutableBuffer(/* initialSize, blockSize */);
// trimLeft
buffer.write([0x00, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00]);
buffer.trimLeft().flush(); // => [0x01, 0x02, 0x00, 0x00, 0x00]
// trimRight
buffer.write([0x00, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00]);
buffer.trimRight().flush(); // => [0x00, 0x00, 0x01, 0x02]
// trim
buffer.write([0x00, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00]);
buffer.trim().flush(); // => [0x01, 0x02]mutable-buffer introduced feross/buffer to support for the browser out of box in
v3.0.
A front-end packaging tool like webpack will recognize the browser entry defined in pacakge.json and use the
browser version of mutable-buffer by default.
You can print MutableBuffer.target to confirm that.
// in node
console.log(MutableBuffer.target); // => 'node'
// in browser
console.log(MutableBuffer.target); // => 'web'MIT © taoyuan