/books/programming-phoenix-liveview
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The code example at the top of page 140 includes the phx-debounce=blur binding:
<.input field={@form[:email]} type="email"
...
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This paragraph mentions three functions that ensure data consistency:
Finally, the validate/2, unique_constraint/2, and validate_number...
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The first paragraph on page 219 mentions a checkbox:
Then, we use the heading/1 component that we’ll define in a bit to show a heading ...
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The “Give It a Try” exercise “Add a Custom Validation” challenges the reader to:
First, add a custom validation to the Product schema’s...
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Most Active This Year
Disclaimer: I hope all of this is accurate, and not the result of some stupid typo I failed to notice. Anyways…
This post comprises 2 is...
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Hi, I just finished reading Programming Phoenix LiveView B10 PDF edition.
I found some typos and errata, and I will report them all in t...
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if active Pentominos do not showup on the screen it is due to this line on p369
defp assign_shapes(%{assigns: %{board: board}} = socket)...
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In this paragraph:
The schema macro is not the only aspect of the Product module that helps us interact with the products database tabl...
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Some typos and confusing bits I’ve noticed in the first 100 pages or so:
pp 12: “Now, start the web server” – the output snippet should...
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On page 77 the book tells us to add a validation rule checking that the unit price is greater than 0.0 then on page 161 it’s suggested th...
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Hi! To get to see the shapes on the board, I think that where it says:
# lib/pento_web/live/game_live/board.ex
def assign_shapes(%{assig...
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The last line in the first paragraph on page 99 reads:
…put certain instructions in socket.products.inserts or socket.products.deletes....
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In PentoWeb.RatingLive.Index.product_rating/1 function, there is a call to <RatingLive.Show.stars rating={rating} product={@product} /...
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The form used for promo code on page 140 uses phx-debounce which is later explained and written about as if it the reader hadn’t already ...
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The 3rd paragraph on the page states:
Our <.header> function invocation in the index template doesn’t make use of the <:subtit...
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Testing the Point module, I realized that 90° and 270° rotation are swapped. According to the figure on page 340, it should be a clockwis...
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The second sentence in the last paragraph on the page says:
The call to consumer_uploaded_entries/3 returns a list of upload results…
...
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Second paragraph in section Protect Routes with Plugs says "The authentication service is defined in the file lib/pento_web/controll...
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In the second last paragraph on that page it says “on” instead of “no”:
“…more efficiency since you on longer have to store changesets…”...
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Most Active Last Three Years
In general, the book isn’t yet updated for Phoenix version 1.6. On page 18 of the book, the authors indicate that an auto generated of ro...
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The markup used to display the uploaded image results in a Phoenix.LiveView.HTMLTokenizer.ParseError error.
lib/pento_web/live/product_l...
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It seems the second code snippet is missing the code to set the current_user:
current_user: Accounts.get_user_by_session_token(session[&...
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root_layout: {PentoWeb.LayoutView, :root},
This results in the following following error:
no “root” html template defined for PentoWeb...
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Book: Programming Phoenix LiveView, page 142 (157/378), file lib/pento_web/live/product_live/form_component.ex, in the function below:
d...
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Title: Programming Phoenix LiveView B8 - entire Ch4 modal component section needs correcting (Page 101-114)
Example: Programming Flutter...
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(Phoenix 1.6.6, Ecto 3.7.2, Elixir 1.13)
When building the custom Survey context, we are told to then update the rating.ex file with the...
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The introduction instructions under section “Build a Simple LiveView” are incomplete. If followed from book one gets the following error:...
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The text talks about adding two keys to assigns, a session_id key and a current_user key, but the example code is only showing the sessio...
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In the code sample for auth /pento/lib/pento_web/live/user_auth_live.ex the on_mount function is defined as:
on_mount(_, params, %{"...
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The schemaless form defined in file “lib/pento_web/live/promo_live.html.heex” on page 133 of the book requires some transformation. The :...
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Since LiveView now supports Streams, the generated code seems to be pushing the user in that direction as well.
As a result, the example...
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The link to live_patch/2 on the bottom of the page does not work. It seems this function no longer exists in the latest version. This may...
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The first heex block of code in the section The Promo Live View should just be the <.header>; the code errors out if you include th...
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The following code block in the Access Session Data in The Live View section is duplicated:
def mount(_params, session, socket) do
...
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Most Active Over Three Years
The generated iex result below should list products instead of product for the metadata. (page 67)
iex> product = %Product{}
%Pento....
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Hi! I know not the intentions behind this narrative when called, on page XI:
mount() |> handle_event() |> render()
but the correc...
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“The ProductLive.Index template calls a helper function, live_component/3, that in turn calls on the modal component. ”
Excerpt From: Br...
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A further clarification: When I move to the “Stateful components” section and run a compile with “iex -S mix”, the compile works. When I ...
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The right lifecycle should be
mount/3
handle_prams/3
render/3
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On Chapter 3 - Page 78, the beginning of the page has this code here:
@doc """
Maybe it is missing to put the Pento cont...
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socket is being accessed in the function body, hence the need to include it in the function head.
Current:
def maybe_track_user(
...
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Hi there,
Just wanted to call out that although what needs to happen should be pretty obvious, when we add handle_progress/3 on page 138...
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“You’ll see how LiveView let’s you move fast by offering elegant patterns for code organization, and you’ll find that LiveView is the per...
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“…With this function, we name the concept of a base query and we provide one common way to build the foundation for all Demographic queri...
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Title: Programming Phoenix LiveView:IEX command not correct. Should be “alias Pento.Catalog.Product” not “alias Pento.Product” page 166.
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Confiirm should be confirm
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Title: Programming Phoenix LiveView: (page 221)
In the part to open up IEx with iex -S mix and do the test drive of the query.
It was n...
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This whole section is beautifully written. Clear, to the point overview of what we need to do, why we need to do it and how we are going ...
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“…Then, we renew the session for security sake, adding…”
for security sake should be for the sake of security (or similar)
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