Hello friends, I have a list that I want to update it (3 level nested), and I need your suggestion to create better code The list elements = [ %{ children: [ %{ children: [ %{ children: [], class: ["text-black", "w-full", "p-2"], id:…

Not sure if this is what you’re looking for Floki - HTML Parser This one makes it easier to handle HTML parsing. Also, I wouldn’t prefer to nest too much Enum.map as, it makes code reading a bit trickier, normally I would use recursion for clean code if it is more than 2 nesting to make it easier …

I’d try to find a better data-structure first. Flattening is a good idea oftentimes. Why is data and CSS mixed? What are you trying to accomplish?

The combination of the Access module with the Kernel functions update_in/3 and put_in/3 is very useful for updating nested data structures. [image] Help composing/abstracting list of keys to traverse nested data structures using the Access module Questions Hel…

It looks like you might be doing a lot of data access. You might get a huge boost in simplicity and performance by using maps instead of lists. If you were willing to separate storing and sorting of children, you could store a map of children and an order list that has ordered child ids: elements…

@Sebb @pmangalakader Repo: GitHub - mishka-group/mishka_template_creator: Mishka Template Creator for Phoenix and Phoenix LiveView · GitHub

wow that looks really cool. [image] shahryarjb: for updating and adding tag to the text element I did like this, but it is very dirty I think: If I understand correctly you have an arbitrary nesting depth. And you want to change an attribute in an arbitrary node, right? So you can’t use a …

I think I will have a big problem with changing the order of keys in children! when I use map Am I right? Because my user can change the order of elements in a section! I think the only way to change the sort or re-order is regenerate new UUID, it is works when I have just 2 elements is a section …

Just use Pathex . It is universal solution for nested structures If you can describe what you’re trying to achieve in a human language, I can write you a pathex lens

I see you want to put tag into type: "layout" ~> type: "section". With pathex this would be something like use Pathex defp element(type, id) do Pathex.Lenses.star() ~> matching(%{type: ^type, id: ^id}) end defp children do path(:children) end def add_tag(elements, id, parent_id, layout_id, t…

Elixir Programming Language Forum

Need advise to update nested list 3-level

Questions & Help Questions

jegaxd26 April 5, 2023, 2:51pm 2

Have you looked into Access.at/1 ?