initialHiddenColumnIds not working

[eonward]

In the config object passed to addHiddenColumns, setting initialHiddenColumnIds to an array of column id's should result in the specified columns to be hidden by default.

I wasn't able to get this functionality working in my application or the REPL.

To reproduce, go to the Kitchen Sink REPL and add the following:

  const table = createTable(data, {
    //...
    hideColumns: addHiddenColumns({
        initialHiddenColumnIds: ["age"]
    }),
    //...
  });

I'd expect the age column to be hidden by the time the component mounts. Any thoughts?

---

Update:
See @moalamri 's comment below for workaround!

[moalamri]

Same issue here,
I was able to workaround this issue by setting the plugin state store of hidden columns right after creating view model

  const { pluginStates } = table.createViewModel(columns);
  const { hiddenColumnIds } = pluginStates.hideColumns;
  $hiddenColumnIds = ['age'];

Here's a working example:
https://svelte.dev/repl/68818d8f88594727a02179b7ac141dea?version=3.48.0

[moalamri]

I found the issue, this happens when this code is called

  const ids = flatColumns.map((c) => c.id);
  let hideForId = Object.fromEntries(ids.map((id) => [id, false]));
  $: $hiddenColumnIds = Object.entries(hideForId)
    .filter(([, hide]) => hide)
    .map(([id]) => id);

Basically, by using flatCloumns to get columns ids it will replace the existing hidden list initialHiddenColumnIds with the list of columns in flatColumns, which are all set to false.
You can check my previous example https://svelte.dev/repl/68818d8f88594727a02179b7ac141dea?version=3.48.0 by simply removing line 54. the initialHiddenColumnIds will still work.

After I have looked into the codebase, I think the hiddenColumnIds is derived from flatColumns but then returned as readable visibleColumns which should be used to set the reactive hiddenColumnIds

Here's an example of making an object and set the visibility based on visibleColumns
https://svelte.dev/repl/40fbdf15c34a40aea2b8f0e732adfdd6?version=3.48.0