Reference · Rules, solvers and generation
isTsunagiDayfunction
Whether a text is a real date written YYYY-MM-DD: 2026-02-30 is not.
Import it
import { isTsunagiDay } from "@johnmorrisdotca/tsunagi";Definition
function isTsunagiDay(text: string): booleanParameters
| Name | Type | Description |
|---|---|---|
text | string | The calendar date text to validate. |
Returns
boolean
Whether a text is a real date written YYYY-MM-DD: 2026-02-30 is not.
Examples
import { isTsunagiDay } from "@johnmorrisdotca/tsunagi";
console.log(isTsunagiDay("2026-10-12"));trueWhat it prints (run when this page was built)