nv-json-flatify v1.0.3

nv-json-flatify

• convert a json to two flat array, for compress using
• its for compatible with nvlang-serde, normally USELESS
• nvlang has a non-string-mode(NOT support string(if .byte length >5))

install

• npm install nv-json-flatify

usage

  const {creat_flatify,nestify}   = require("nv-json-flatify");
  var flatify = creat_flatify();

example

	var j = {a:[null,true,false,{s:11112222},Infinity,-Infinity,NaN],aa:["","a","\b\t\n\v\f\r","我 你"]}


	var flat = flatify(j)
	//console.log(flat)
	/*
	[Object: null prototype] {

	  typs: [                                             
		     8, 2147483649,          6,
		     2,          3,          4,
		     8, 2147483650,          0,
		     9,          0,          0,
		     0,          7, 2147483651,
		     6, 2147483652, 2147483649,
	    2147483653, 2147483654,          7,
		     9
	  ],
	  f64s: [                                    【.f64s AND .typs will be put to a array-of 8-byte, then do compress IF necessary(compress-code NOT included in this package) 】
	    NaN,      NaN,       NaN,
	    NaN,      NaN,       NaN,
	    NaN,      NaN,  11112222,
	    NaN, Infinity, -Infinity,
	    NaN,      NaN,       NaN,
	    NaN,      NaN,       NaN,
	    NaN,      NaN,       NaN,
	    NaN
	  ],

                                                            
	  imap: [Object: null prototype] { 【this IS pre-shared  between front-end AND back-end, ONLY need to resync IF do app-code update】
	    '2147483649': 'a',
	    '2147483650': 's',
	    '2147483651': 'aa',
	    '2147483652': '',
	    '2147483653': '\b\t\n\x0B\f\r',
	    '2147483654': '我 你'
	  }
	}
	*/

	console.log(nestify(flat))
	/*
	{
	  a: [ null, true, false, { s: 11112222 }, Infinity, -Infinity, NaN ],
	  aa: [ '', 'a', '\b\t\n\x0B\f\r', '我 你' ]
	}
	*/

METHODS

APIS

creat_flatify(Spool@nv-string-map | undefined) -> flatify

    flatify(j) -> {
	spool: Spool@nv-string-map
	typs: Array<2|3|4|6|7|8|9| uint32_t@is_valid_nv_smap_id>
	f64s: Array<double>
}

nestify(@result_of<flatify>) -> JSON

LICENSE

• ISC