50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
import Benchmark from "benchmark";
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const datetimeValidationSuite = new Benchmark.Suite("datetime");
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const DATA = "2021-01-01";
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const MONTHS_31 = new Set([1, 3, 5, 7, 8, 10, 12]);
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const MONTHS_30 = new Set([4, 6, 9, 11]);
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const simpleDatetimeRegex = /^(\d{4})-(\d{2})-(\d{2})$/;
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const datetimeRegexNoLeapYearValidation = /^\d{4}-((0[13578]|10|12)-31|(0[13-9]|1[0-2])-30|(0[1-9]|1[0-2])-(0[1-9]|1\d|2\d))$/;
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const datetimeRegexWithLeapYearValidation = /^((\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\d|3[01])|(0[469]|11)-(0[1-9]|[12]\d|30)|(02)-(0[1-9]|1\d|2[0-8])))$/;
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datetimeValidationSuite
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.add("new Date()", () => {
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return !Number.isNaN(new Date(DATA).getTime());
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})
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.add("regex (no validation)", () => {
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return simpleDatetimeRegex.test(DATA);
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})
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.add("regex (no leap year)", () => {
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return datetimeRegexNoLeapYearValidation.test(DATA);
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})
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.add("regex (w/ leap year)", () => {
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return datetimeRegexWithLeapYearValidation.test(DATA);
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})
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.add("capture groups + code", () => {
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const match = DATA.match(simpleDatetimeRegex);
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if (!match)
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return false;
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// Extract year, month, and day from the capture groups
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const year = Number.parseInt(match[1], 10);
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const month = Number.parseInt(match[2], 10); // month is 0-indexed in JavaScript Date, so subtract 1
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const day = Number.parseInt(match[3], 10);
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if (month === 2) {
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if ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0) {
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return day <= 29;
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}
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return day <= 28;
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}
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if (MONTHS_30.has(month)) {
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return day <= 30;
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}
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if (MONTHS_31.has(month)) {
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return day <= 31;
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}
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return false;
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})
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.on("cycle", (e) => {
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console.log(`${datetimeValidationSuite.name}: ${e.target}`);
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});
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export default {
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suites: [datetimeValidationSuite],
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};
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