Nv-random-json NPM

nv-random-json

nv-random-json
generate a random big-json
used in performance test-bed

install

npm install nv-random-json

usage

   const {rand,DFLT_FREQ} = require('nv-random-json')

   /*
   > DFLT_FREQ
     {
        null: 1,
        true: 1,
        false: 1,
        string: 1,
        number: 1,
        array: 5,
        object: 5
     }
    >
   */

example

    > rand(5,10)
    [ false, [ true, [], {}, {} ], { eQRY: false, _Cex: null } ]
    > rand(5,10)
    {}
    > rand(5,10)
    []
    > rand(5,10)
    {
      JTVJ: [ [], true, 'CxUKj_Qd', false ],
      HYWw: 8.129179921989181e+307,
      QWRJ: [ {}, 'bVYxUakD' ]
    }
    > rand(5,10)
    { dUnG: [ {}, true, [] ], HpUD: [], eQng: [ [], {} ], OUwu: null }
    > rand(5,10)
    { SrSL: 'xYfLbLmX', BpXF: [ 'bVMdwwgn' ], 'V-SY': [] }
    > rand(5,10)
    [ 1.2064933143621904e+308, [ 'TKjyaYVY' ], [], null ]
    > rand(5,10)
    {
      BJKL: { GAxi: [], QgaW: {}, PPUw: [] },
      AsGh: { QAaN: false },
      nayQ: { fktA: {}, NhNT: {} }
    }
    >



    function bigj() {
       let start = (new Date()).getTime();
       let j = rand(50,1000000)
       let end = (new Date()).getTime();
       console.log(end-start)
       return(j)
    }


    var big  = bigj()
    > 
    11856                    //10s to create a big json with 1000000 nodes
    >

    > const {jlength} = require("nv-facutil-basic")
    undefined
    > jlength(big)
    999999
    >