Type Alias ViewRange

    ViewRange: "cover" | "entry" | "contain" | "exit"

    Slice of an element's viewport traversal mapped to [0, 1]. Names match CSS view-timeline: cover leading enters ↦ trailing exits entry leading enters ↦ fully in view contain fully in view (pinned at 0.5 when taller than vp) exit starts exiting ↦ trailing exits