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| Current File : //proc/thread-self/root/proc/self/root/home/ubuntu/node-v16.18.1/benchmark/util/inspect.js |
'use strict';
const util = require('util');
const common = require('../common.js');
const opts = {
showHidden: { showHidden: true },
colors: { colors: true },
none: undefined
};
const bench = common.createBenchmark(main, {
n: [2e4],
method: [
'Object',
'Object_empty',
'Object_deep_ln',
'String',
'String_complex',
'String_boxed',
'Date',
'Set',
'Error',
'Array',
'TypedArray',
'TypedArray_extra',
'Number',
],
option: Object.keys(opts)
});
function benchmark(n, obj, options) {
bench.start();
for (let i = 0; i < n; i += 1) {
util.inspect(obj, options);
}
bench.end(n);
}
function main({ method, n, option }) {
let obj;
const options = opts[option];
switch (method) {
case 'Object':
benchmark(n, { a: 'a', b: 'b', c: 'c', d: 'd' }, options);
break;
case 'Object_empty':
benchmark(n, {}, options);
break;
case 'Object_deep_ln':
if (options)
options.depth = Infinity;
obj = { first:
{ second:
{ third:
{ a: 'first',
b: 'second',
c: 'third',
d: 'fourth',
e: 'fifth',
f: 'sixth',
g: 'seventh' } } } };
benchmark(n, obj, options || { depth: Infinity });
break;
case 'String':
benchmark(n, 'Simple string', options);
break;
case 'String_complex':
benchmark(n, 'This string\nhas to be\tescaped!', options);
break;
case 'String_boxed':
benchmark(n, new String('string'), options);
break;
case 'Date':
benchmark(n, new Date(), options);
break;
case 'Set':
obj = new Set([5, 3]);
benchmark(n, obj, options);
break;
case 'Error':
benchmark(n, new Error('error'), options);
break;
case 'Array':
benchmark(n, Array(50).fill().map((_, i) => i), options);
break;
case 'TypedArray':
obj = new Uint8Array(Array(50).fill().map((_, i) => i));
benchmark(n, obj, options);
break;
case 'TypedArray_extra':
obj = new Uint8Array(Array(50).fill().map((_, i) => i));
obj.foo = 'bar';
obj[Symbol('baz')] = 5;
benchmark(n, obj, options);
break;
case 'Number':
benchmark(n, 0, options);
break;
default:
throw new Error(`Unsupported method "${method}"`);
}
}
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