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// 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
**/
|
