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// different ways to id objects | |||
// use a req/res pair, since it's crazy deep and cyclical | |||
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// 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. | |||
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var http = require('http') | |||
var util = require('util') | |||
var sigmund = require('./sigmund.js') | |||
var sreq, sres, creq, cres, test | |||
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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 }) | |||
}) | |||
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function start () { | |||
test = [sreq, sres, creq, cres] | |||
// test = sreq | |||
// sreq.sres = sres | |||
// sreq.creq = creq | |||
// sreq.cres = cres | |||
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for (var i in exports.compare) { | |||
console.log(i) | |||
var hash = exports.compare[i]() | |||
console.log(hash) | |||
console.log(hash.length) | |||
console.log('') | |||
} | |||
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require('bench').runMain() | |||
} | |||
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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, '') | |||
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if (Array.isArray(obj)) { | |||
return obj.map(function (i, _, __) { | |||
return customWs(i, md, d + 1) | |||
}).reduce(function (a, b) { return a + b }, '') | |||
} | |||
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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 }, '') | |||
} | |||
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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 | |||
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if (Array.isArray(obj)) { | |||
return obj.map(function (i, _, __) { | |||
return custom(i, md, d + 1) | |||
}).reduce(function (a, b) { return a + b }, '') | |||
} | |||
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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 }, '') | |||
} | |||
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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 | |||
} | |||
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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 | |||
} | |||
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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 | |||
} | |||
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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 | |||
} | |||
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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 | |||
} | |||
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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 | |||
}) | |||
}, | |||
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'flatten 10': function () { | |||
return flatten(test, 10) | |||
}, | |||
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// 'flattenFE 10': function () { | |||
// return flattenFE(test, 10) | |||
// }, | |||
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'noCommas 10': function () { | |||
return noCommas(test, 10) | |||
}, | |||
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'sparse 10': function () { | |||
return sparse(test, 10) | |||
}, | |||
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'sparseFE 10': function () { | |||
return sparseFE(test, 10) | |||
}, | |||
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'sparseFE2 10': function () { | |||
return sparseFE2(test, 10) | |||
}, | |||
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sigmund: function() { | |||
return sigmund(test, 10) | |||
}, | |||
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// '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) | |||
// } | |||
} | |||
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/** results | |||
**/ |