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sprocket

0.1.2
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A library for building live views and real-time server components in Gleam

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sprocket src sprocket@hooks@effect.erl
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src/sprocket@hooks@effect.erl 

-module(sprocket@hooks@effect).

-compile([no_auto_import, nowarn_unused_vars]).



-export([effect/4]).



-spec effect(

    sprocket@context:context(),

    fun(() -> gleam@option:option(fun(() -> nil))),

    sprocket@hooks:hook_trigger(),

    fun((sprocket@context:context()) -> {sprocket@context:context(),

        list(sprocket@element:element())})

) -> {sprocket@context:context(), list(sprocket@element:element())}.

effect(Ctx, Effect_fn, Trigger, Cb) ->

    Init = fun() ->

        {effect, sprocket@internal@utils@unique:new(), Effect_fn, Trigger, none}

    end,

    {Ctx@1, {effect, Id, _, _, Prev}, Index} = sprocket@context:fetch_or_init_hook(

        Ctx,

        Init

    ),

    Ctx@2 = sprocket@context:update_hook(

        Ctx@1,

        {effect, Id, Effect_fn, Trigger, Prev},

        Index

    ),

    Cb(Ctx@2).