FM / sigmund

/var/www/qr4y.gr/server/delivery/node_modules/sigmund/

/var/www/qr4y.gr/server/delivery/node_modules/sigmund

Name	Size	Mode	Actions
test/	-	0755	rm
bench.js	6918	0644	edit dl rm
LICENSE	765	0644	edit dl rm
package.json	1567	0644	edit dl rm
README.md	1854	0644	edit dl rm
sigmund.js	1146	0644	edit dl rm

Edit: /var/www/qr4y.gr/server/delivery/node_modules/sigmund/bench.js (6918B)

// different ways to id objects
// use a req/res pair, since it's crazy deep and cyclical

// sparseFE10 and sigmund are usually pretty close, which is to be expected,
// since they are essentially the same algorithm, except that sigmund handles
// regular expression objects properly.

var http = require('http')
var util = require('util')
var sigmund = require('./sigmund.js')
var sreq, sres, creq, cres, test

http.createServer(function (q, s) {
  sreq = q
  sres = s
  sres.end('ok')
  this.close(function () { setTimeout(function () {
    start()
  }, 200) })
}).listen(1337, function () {
  creq = http.get({ port: 1337 })
  creq.on('response', function (s) { cres = s })
})

function start () {
  test = [sreq, sres, creq, cres]
  // test = sreq
  // sreq.sres = sres
  // sreq.creq = creq
  // sreq.cres = cres

for (var i in exports.compare) {
    console.log(i)
    var hash = exports.compare[i]()
    console.log(hash)
    console.log(hash.length)
    console.log('')
  }

require('bench').runMain()
}

function customWs (obj, md, d) {
  d = d || 0
  var to = typeof obj
  if (to === 'undefined' || to === 'function' || to === null) return ''
  if (d > md || !obj || to !== 'object') return ('' + obj).replace(/[\n ]+/g, '')

if (Array.isArray(obj)) {
    return obj.map(function (i, _, __) {
      return customWs(i, md, d + 1)
    }).reduce(function (a, b) { return a + b }, '')
  }

var keys = Object.keys(obj)
  return keys.map(function (k, _, __) {
    return k + ':' + customWs(obj[k], md, d + 1)
  }).reduce(function (a, b) { return a + b }, '')
}

function custom (obj, md, d) {
  d = d || 0
  var to = typeof obj
  if (to === 'undefined' || to === 'function' || to === null) return ''
  if (d > md || !obj || to !== 'object') return '' + obj

if (Array.isArray(obj)) {
    return obj.map(function (i, _, __) {
      return custom(i, md, d + 1)
    }).reduce(function (a, b) { return a + b }, '')
  }

var keys = Object.keys(obj)
  return keys.map(function (k, _, __) {
    return k + ':' + custom(obj[k], md, d + 1)
  }).reduce(function (a, b) { return a + b }, '')
}

function sparseFE2 (obj, maxDepth) {
  var seen = []
  var soFar = ''
  function ch (v, depth) {
    if (depth > maxDepth) return
    if (typeof v === 'function' || typeof v === 'undefined') return
    if (typeof v !== 'object' || !v) {
      soFar += v
      return
    }
    if (seen.indexOf(v) !== -1 || depth === maxDepth) return
    seen.push(v)
    soFar += '{'
    Object.keys(v).forEach(function (k, _, __) {
      // pseudo-private values.  skip those.
      if (k.charAt(0) === '_') return
      var to = typeof v[k]
      if (to === 'function' || to === 'undefined') return
      soFar += k + ':'
      ch(v[k], depth + 1)
    })
    soFar += '}'
  }
  ch(obj, 0)
  return soFar
}

function sparseFE (obj, maxDepth) {
  var seen = []
  var soFar = ''
  function ch (v, depth) {
    if (depth > maxDepth) return
    if (typeof v === 'function' || typeof v === 'undefined') return
    if (typeof v !== 'object' || !v) {
      soFar += v
      return
    }
    if (seen.indexOf(v) !== -1 || depth === maxDepth) return
    seen.push(v)
    soFar += '{'
    Object.keys(v).forEach(function (k, _, __) {
      // pseudo-private values.  skip those.
      if (k.charAt(0) === '_') return
      var to = typeof v[k]
      if (to === 'function' || to === 'undefined') return
      soFar += k
      ch(v[k], depth + 1)
    })
  }
  ch(obj, 0)
  return soFar
}

function sparse (obj, maxDepth) {
  var seen = []
  var soFar = ''
  function ch (v, depth) {
    if (depth > maxDepth) return
    if (typeof v === 'function' || typeof v === 'undefined') return
    if (typeof v !== 'object' || !v) {
      soFar += v
      return
    }
    if (seen.indexOf(v) !== -1 || depth === maxDepth) return
    seen.push(v)
    soFar += '{'
    for (var k in v) {
      // pseudo-private values.  skip those.
      if (k.charAt(0) === '_') continue
      var to = typeof v[k]
      if (to === 'function' || to === 'undefined') continue
      soFar += k
      ch(v[k], depth + 1)
    }
  }
  ch(obj, 0)
  return soFar
}

function noCommas (obj, maxDepth) {
  var seen = []
  var soFar = ''
  function ch (v, depth) {
    if (depth > maxDepth) return
    if (typeof v === 'function' || typeof v === 'undefined') return
    if (typeof v !== 'object' || !v) {
      soFar += v
      return
    }
    if (seen.indexOf(v) !== -1 || depth === maxDepth) return
    seen.push(v)
    soFar += '{'
    for (var k in v) {
      // pseudo-private values.  skip those.
      if (k.charAt(0) === '_') continue
      var to = typeof v[k]
      if (to === 'function' || to === 'undefined') continue
      soFar += k + ':'
      ch(v[k], depth + 1)
    }
    soFar += '}'
  }
  ch(obj, 0)
  return soFar
}

function flatten (obj, maxDepth) {
  var seen = []
  var soFar = ''
  function ch (v, depth) {
    if (depth > maxDepth) return
    if (typeof v === 'function' || typeof v === 'undefined') return
    if (typeof v !== 'object' || !v) {
      soFar += v
      return
    }
    if (seen.indexOf(v) !== -1 || depth === maxDepth) return
    seen.push(v)
    soFar += '{'
    for (var k in v) {
      // pseudo-private values.  skip those.
      if (k.charAt(0) === '_') continue
      var to = typeof v[k]
      if (to === 'function' || to === 'undefined') continue
      soFar += k + ':'
      ch(v[k], depth + 1)
      soFar += ','
    }
    soFar += '}'
  }
  ch(obj, 0)
  return soFar
}

exports.compare =
{
  // 'custom 2': function () {
  //   return custom(test, 2, 0)
  // },
  // 'customWs 2': function () {
  //   return customWs(test, 2, 0)
  // },
  'JSON.stringify (guarded)': function () {
    var seen = []
    return JSON.stringify(test, function (k, v) {
      if (typeof v !== 'object' || !v) return v
      if (seen.indexOf(v) !== -1) return undefined
      seen.push(v)
      return v
    })
  },

'flatten 10': function () {
    return flatten(test, 10)
  },

// 'flattenFE 10': function () {
  //   return flattenFE(test, 10)
  // },

'noCommas 10': function () {
    return noCommas(test, 10)
  },

'sparse 10': function () {
    return sparse(test, 10)
  },

'sparseFE 10': function () {
    return sparseFE(test, 10)
  },

'sparseFE2 10': function () {
    return sparseFE2(test, 10)
  },

sigmund: function() {
    return sigmund(test, 10)
  },

// 'util.inspect 1': function () {
  //   return util.inspect(test, false, 1, false)
  // },
  // 'util.inspect undefined': function () {
  //   util.inspect(test)
  // },
  // 'util.inspect 2': function () {
  //   util.inspect(test, false, 2, false)
  // },
  // 'util.inspect 3': function () {
  //   util.inspect(test, false, 3, false)
  // },
  // 'util.inspect 4': function () {
  //   util.inspect(test, false, 4, false)
  // },
  // 'util.inspect Infinity': function () {
  //   util.inspect(test, false, Infinity, false)
  // }
}

/** results
**/

cmd: