文件操作 - bench.js

文件: /usr/local/n/versions/node/12.18.0/lib/node_modules/npm/node_modules/asynckit/bench.js

编辑文件内容

/* eslint no-console: "off" */

var asynckit = require('./')
  , async    = require('async')
  , assert   = require('assert')
  , expected = 0
  ;

var Benchmark = require('benchmark');
var suite = new Benchmark.Suite;

var source = [];
for (var z = 1; z < 100; z++)
{
  source.push(z);
  expected += z;
}

suite
// add tests

.add('async.map', function(deferred)
{
  var total = 0;

async.map(source,
  function(i, cb)
  {
    setImmediate(function()
    {
      total += i;
      cb(null, total);
    });
  },
  function(err, result)
  {
    assert.ifError(err);
    assert.equal(result[result.length - 1], expected);
    deferred.resolve();
  });
}, {'defer': true})

.add('asynckit.parallel', function(deferred)
{
  var total = 0;

asynckit.parallel(source,
  function(i, cb)
  {
    setImmediate(function()
    {
      total += i;
      cb(null, total);
    });
  },
  function(err, result)
  {
    assert.ifError(err);
    assert.equal(result[result.length - 1], expected);
    deferred.resolve();
  });
}, {'defer': true})

// add listeners
.on('cycle', function(ev)
{
  console.log(String(ev.target));
})
.on('complete', function()
{
  console.log('Fastest is ' + this.filter('fastest').map('name'));
})
// run async
.run({ 'async': true });

文件操作 - bench.js

文件: /usr/local/n/versions/node/12.18.0/lib/node_modules/npm/node_modules/asynckit/bench.js

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