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Copy pathheaders.js
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94 lines (89 loc) · 2.16 KB
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'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
n: [1e5],
method: [
'construct-empty',
'construct-object',
'construct-headers',
'get',
'get-common',
'set',
'append',
'has',
'delete',
'iterate',
],
});
const objectInit = {
'Accept': 'application/json',
'Content-Type': 'text/plain',
'User-Agent': 'benchmark',
'Authorization': 'Bearer token',
'Cookie': 'a=1',
'X-Request-Id': 'abc',
'Cache-Control': 'no-cache',
'Host': 'example.com',
};
function main({ n, method }) {
const headers = new Headers(objectInit);
const copySource = new Headers(objectInit);
let result;
bench.start();
switch (method) {
case 'construct-empty':
for (let i = 0; i < n; i++)
new Headers();
break;
case 'construct-object':
for (let i = 0; i < n; i++)
new Headers(objectInit);
break;
case 'construct-headers':
for (let i = 0; i < n; i++)
new Headers(copySource);
break;
case 'get':
for (let i = 0; i < n; i++)
result = headers.get('x-request-id');
break;
case 'get-common':
for (let i = 0; i < n; i++)
result = headers.get('content-type');
break;
case 'set':
for (let i = 0; i < n; i++)
headers.set('x-count', i);
break;
case 'append':
for (let i = 0; i < n; i++) {
const current = new Headers();
current.append('Accept', 'text/html');
current.append('X-Custom', i);
}
break;
case 'has':
for (let i = 0; i < n; i++)
result = headers.has('authorization');
break;
case 'delete': {
for (let i = 0; i < n; i++) {
const current = new Headers(objectInit);
current.delete('content-type');
}
break;
}
case 'iterate':
for (let i = 0; i < n; i++) {
for (const entry of headers)
result = entry;
}
break;
default:
throw new Error(`Unexpected method "${method}"`);
}
bench.end(n);
// Keep a live use so V8 cannot DCE the loop.
if (result === Symbol.for('benchmark-never'))
throw new Error('unreachable');
}