datetime.js•2.15 kB
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const benchmark_1 = __importDefault(require("benchmark"));
const datetimeValidationSuite = new benchmark_1.default.Suite("datetime");
const DATA = "2021-01-01";
const MONTHS_31 = new Set([1, 3, 5, 7, 8, 10, 12]);
const MONTHS_30 = new Set([4, 6, 9, 11]);
const simpleDatetimeRegex = /^(\d{4})-(\d{2})-(\d{2})$/;
const datetimeRegexNoLeapYearValidation = /^\d{4}-((0[13578]|10|12)-31|(0[13-9]|1[0-2])-30|(0[1-9]|1[0-2])-(0[1-9]|1\d|2\d))$/;
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])))$/;
datetimeValidationSuite
.add("new Date()", () => {
return !isNaN(new Date(DATA).getTime());
})
.add("regex (no validation)", () => {
return simpleDatetimeRegex.test(DATA);
})
.add("regex (no leap year)", () => {
return datetimeRegexNoLeapYearValidation.test(DATA);
})
.add("regex (w/ leap year)", () => {
return datetimeRegexWithLeapYearValidation.test(DATA);
})
.add("capture groups + code", () => {
const match = DATA.match(simpleDatetimeRegex);
if (!match)
return false;
// Extract year, month, and day from the capture groups
const year = Number.parseInt(match[1], 10);
const month = Number.parseInt(match[2], 10); // month is 0-indexed in JavaScript Date, so subtract 1
const day = Number.parseInt(match[3], 10);
if (month === 2) {
if ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0) {
return day <= 29;
}
return day <= 28;
}
if (MONTHS_30.has(month)) {
return day <= 30;
}
if (MONTHS_31.has(month)) {
return day <= 31;
}
return false;
})
.on("cycle", (e) => {
console.log(`${datetimeValidationSuite.name}: ${e.target}`);
});
exports.default = {
suites: [datetimeValidationSuite],
};