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Refined useEffectOnce to solely act as an alias for React.useEffect(effect, [||]). #600

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Refined useEffectOnce to solely act as an alias for React.useEffect(effect, [||]). #600

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cff1676
Correct the implementation of the dispose function invocation within …
lukaszkrzywizna Feb 28, 2024
159fc2c
Refined `useEffectOnce` to solely act as an alias for `React.useEffec…
lukaszkrzywizna Mar 26, 2024
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46 changes: 3 additions & 43 deletions Feliz/Internal.fs
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Original file line number Diff line number Diff line change
Expand Up @@ -63,55 +63,15 @@ module Internal =

[<Hook>]
let useEffectOnce(effect: unit -> unit) =
let calledOnce = Interop.reactApi.useRefInternal false

useEffectWithDeps (fun () ->
if not calledOnce.current then
calledOnce.current <- true
effect()
) [||]
useEffectWithDeps effect [||]

[<Hook>]
let useEffectDisposableOnce (effect: unit -> #IDisposable) =
let destroyFunc = Interop.reactApi.useRefInternal None
let calledOnce = Interop.reactApi.useRefInternal false
let renderAfterCalled = Interop.reactApi.useRefInternal false

if calledOnce.current then
renderAfterCalled.current <- true

useEffectDisposableOptWithDeps (fun () ->
if calledOnce.current
then None
else
calledOnce.current <- true
destroyFunc.current <- effect() |> Some

if renderAfterCalled.current
then destroyFunc.current
else None
) [||]
useEffectDisposableOptWithDeps (effect >> Some) [||]

[<Hook>]
let useEffectDisposableOptOnce (effect: unit -> #IDisposable option) =
let destroyFunc = Interop.reactApi.useRefInternal None
let calledOnce = Interop.reactApi.useRefInternal false
let renderAfterCalled = Interop.reactApi.useRefInternal false

if calledOnce.current then
renderAfterCalled.current <- true

useEffectDisposableOptWithDeps (fun () ->
if calledOnce.current
then None
else
calledOnce.current <- true
destroyFunc.current <- effect()

if renderAfterCalled.current
then destroyFunc.current
else None
) [||]
useEffectDisposableOptWithDeps effect [||]


let createContext<'a> (name: string option) (defaultValue: 'a option) =
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