typia/lib/internal/private/__randomEpoch.mjs

Superfast runtime validators with only one line

import { _randomInteger } from "../_randomInteger.mjs";
//#region src/internal/private/__randomEpoch.ts
/**
* Draws an epoch millisecond inside the requested bounds.
*
* Shared by the `date` and `date-time` generators, which had the same bound
* expression written twice: `props?.maximum ?? props?.minimum === undefined`
* parses as `props?.maximum ?? (props?.minimum === undefined)` because `??`
* binds looser than `===`, so any supplied `maximum` made the condition truthy
* and was replaced by `Date.now()`, while `maximum: 0` fell through to
* `undefined + one year` and produced `NaN` (issue #2287). Keeping the
* resolution in one place is what stops the two copies from drifting again.
*
* With no bound at all the window ends at the present instant; with only a
* lower bound it spans one year from there.
*/
const __randomEpoch = (props) => {
	return _randomInteger({
		type: "integer",
		minimum: props?.minimum ?? 0,
		maximum: props?.maximum ?? (props?.minimum === void 0 ? Date.now() : props.minimum + YEAR)
	});
};
const YEAR = 365 * 24 * 60 * 60 * 1e3;
//#endregion
export { __randomEpoch };

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