51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
|
import assert from "node:assert/strict";
|
||
|
|
import { runBenchmark } from "./utilities.js";
|
||
|
|
|
||
|
|
for (const size of [1e1, 1e2, 1e3, 1e4, 1e5]) {
|
||
|
|
const maxLength = 10;
|
||
|
|
const seperator = "|";
|
||
|
|
const strings = Array.from({ length: size }, () => "_");
|
||
|
|
const expected = {
|
||
|
|
length: strings.join(seperator).length,
|
||
|
|
times: Math.floor(size / maxLength) - 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
await runBenchmark(
|
||
|
|
{
|
||
|
|
name: `String buffer compress (${size} strings)`,
|
||
|
|
assert: (result) => assert.deepEqual(result, expected),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
"Array#splice()"() {
|
||
|
|
const result = [];
|
||
|
|
let times = 0;
|
||
|
|
|
||
|
|
for (let index = 0; index < strings.length; index++) {
|
||
|
|
result.push(strings[index]);
|
||
|
|
if (result.length > maxLength) {
|
||
|
|
result.splice(0, Number.POSITIVE_INFINITY, result.join(seperator));
|
||
|
|
assert.equal(result.length, 1);
|
||
|
|
times++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return { length: result.join(seperator).length, times };
|
||
|
|
},
|
||
|
|
"let reassign"() {
|
||
|
|
let result = [];
|
||
|
|
let times = 0;
|
||
|
|
|
||
|
|
for (let index = 0; index < strings.length; index++) {
|
||
|
|
result.push(strings[index]);
|
||
|
|
if (result.length > maxLength) {
|
||
|
|
result = [result.join(seperator)];
|
||
|
|
assert.equal(result.length, 1);
|
||
|
|
times++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return { length: result.join(seperator).length, times };
|
||
|
|
},
|
||
|
|
},
|
||
|
|
);
|
||
|
|
}
|