nv-facutil-ab

• serveral simple function for copy-arraybuffer

install

• npm install nv-facutil-ab

usage

  const { 

     _cp,
     cp,
     cp_from_src_start,
     cp_all_if_dst_is_enough,
     cp_all_if_same_blen

  }   = require("nv-facutil-ab");

example

	var src_ab = new ArrayBuffer(10);
	var src_u8a = new Uint8Array(src_ab,3,2);
	src_u8a[0] =11
	src_u8a[1] =22

	/*
	> src_ab
	ArrayBuffer {
	  [Uint8Contents]: <00 00 00 0b 16 00 00 00 00 00>,
	  byteLength: 10
	}
	> 
	*/

	var dst_ab  = new ArrayBuffer(5);
	/*
	> dst_ab
	ArrayBuffer { [Uint8Contents]: <00 00 00 00 00>, byteLength: 5 }
	> 
	*/

	_cp(src_ab,3,2,dst_ab,1) 

	/*
	> dst_ab
	ArrayBuffer { [Uint8Contents]: <00 0b 16 00 00>, byteLength: 5 }
	> 
	*/

METHODS

APIS

	const _cp = (src_ab,src_offset,cp_size,dst_ab,dst_offset) => {
	const cp = (src_ab,dst_ab,src_offset,cp_size,dst_offset) => {
	const cp_from_src_start       = (src_ab,dst_ab,cp_size,dst_offset=0) =>  cp(src_ab,dst_ab,0,cp_size,dst_offset); 
	const cp_all_if_dst_is_enough = (src_ab,dst_ab,        dst_offset=0) => _cp(src_ab,0,src_ab.byteLength,dst_ab,dst_offset);
	const cp_all_if_same_blen     = (src_ab,dst_ab)                      => _cp(src_ab,0,src_ab.byteLength,dst_ab,0);

LICENSE

• ISC