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(** PerformanceObserver API
A code example:
{[
if (PerformanceObserver.is_supported()) then
let entry_types = [ "measure" ] in
let f entries observer =
let entries = entries##getEntries in
Firebug.console##debug entries ;
Firebug.console##debug observer
in
PerformanceObserver.observe ~entry_types ~f
()
]}
@see <https://developer.mozilla.org/en-US/docs/Web/API/PerformanceObserver> for API documentation.
*)
class type performanceObserverInit =
object
method entryTypes : Js.js_string Js.t Js.js_array Js.t Js.writeonly_prop
end
class type performanceEntry =
object
method name : Js.js_string Js.t Js.readonly_prop
method entryType : Js.js_string Js.t Js.readonly_prop
method startTime : float Js.readonly_prop
method duration : float Js.readonly_prop
end
class type performanceObserverEntryList =
object
method getEntries : performanceEntry Js.t Js.js_array Js.t Js.meth
end
class type performanceObserver =
object
method observe : performanceObserverInit Js.t -> unit Js.meth
method disconnect : unit Js.meth
method takeRecords : performanceEntry Js.t Js.js_array Js.t Js.meth
end
val performanceObserver :
( (performanceObserverEntryList Js.t -> performanceObserver Js.t -> unit) Js.callback
-> performanceObserver Js.t)
Js.constr
val is_supported : unit -> bool
val observe :
entry_types:string list
-> f:(performanceObserverEntryList Js.t -> performanceObserver Js.t -> unit)
-> performanceObserver Js.t
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