This is an independent maintenance fork of is-empty 1.2.0.
Upstream source commit: 56ac2424f4f15866ae5274e15f5d2b41d38749b5
The upstream license and author notices are retained unchanged.
Stackline changes are documented in CHANGELOG.md. No upstream endorsement is implied.
Upstream declares MIT in package.json and README; this fork includes the standard MIT text with upstream author attribution.