nv-buf-utf8-boundary v1.0.1

nv-buf-utf8-boundary

• check incomplete utf8 1b 2b 3b 4b in a buffer-tail

install

• npm install nv-buf-utf8-boundary

splitted

• npm install xxx

usage

  const { check}   = require("nv-buf-utf8-boundary");

example

			> Buffer.from(String.fromCodePoint(65536))
			<Buffer f0 90 80 80>
			> buf = Buffer.from(String.fromCodePoint(65536))
			<Buffer f0 90 80 80>
			> 
			> x.check(buf)
			[ 4, [] ]
			> buf[3]=buf[2]
			128
			> buf[2]=buf[1]
			144
			> buf[1]=buf[0]
			240
			> buf[0]=97
			97
			> buf
			<Buffer 61 f0 90 80>
			> x.check(buf)
			[ 1, [ 240, 144, 128 ] ]
			> 
			> buf[3]=buf[2]
			144
			> buf[2]=buf[1]
			240
			> buf[1]=buf[0]
			97
			> buf[0]=98
			98
			> x.check(buf)
			[ 2, [ 240, 144 ] ]
			> 
			> buf
			<Buffer 62 61 f0 90>
			> buf[3]=buf[2]
			240
			> buf[2]=buf[1]
			97
			> buf[1]=buf[0]
			98
			> buf[0]=99
			99
			> x.check(buf)
			[ 3, [ 240 ] ]
			> buf
			<Buffer 63 62 61 f0>
			> 
			buf[0] = 96
			> x.check(buf)
			[ 4, [] ]
			> 

METHODS

APIS

LICENSE

• ISC