You can search for identifiers within the package.
in-package search v0.2.0
server-reason-react.js
Js.Float
type t = float
val _NaN : float
val isNaN : float -> bool
val isFinite : float -> bool
val toExponential : ?digits:int -> t -> string
val toFixed : ?digits:int -> t -> string
val toPrecision : ?digits:int -> t -> string
val toString : ?radix:int -> t -> string
val fromString : string -> float