node/benchmark/misc/getstringwidth.js at main · fetchapi/node · GitHub

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'use strict';

const common = require('../common.js');

const bench = common.createBenchmark(main, {

type: ['ascii', 'mixed', 'emojiseq', 'fullwidth'],

n: [10e4],

}, {

flags: ['--expose-internals'],

});

function main({ n, type }) {

const { getStringWidth } = require('internal/util/inspect');

const str = ({

ascii: 'foobar'.repeat(100),

mixed: 'foo'.repeat(100) + '😀' + 'bar'.repeat(100),

emojiseq: '👨‍👨‍👧‍👦👨‍👩‍👦‍👦👨‍👩‍👧‍👧👩‍👩‍👧‍👦'.repeat(10),

fullwidth: '你好'.repeat(150),

})[type];

bench.start();

for (let j = 0; j < n; j += 1)

getStringWidth(str);

bench.end(n);

}

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