add node_modules to address #4364

1 files changed, 283 insertions, 0 deletions

diff --git a/node_modules/sigmund/bench.js b/node_modules/sigmund/bench.js
new file mode 100644
index 000000000..5acfd6d90
--- /dev/null
+++ b/node_modules/sigmund/bench.js
@@ -0,0 +1,283 @@
+// 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
+**/