URL.parse() vs new URL() — safe URL parsing

base URL (optional):

The key difference

`new URL()`	Throws `TypeError` on invalid input. Correct when you control the string — the exception is a programmer-error signal.
`URL.canParse()`	Returns `true`/`false`. Use when you only need validity, not the URL object — no allocation.
`URL.parse()`	Returns a `URL` instance or `null`. Replaces every `safeParseURL()` wrapper.