Programming Phoenix LiveView (Pragmatic Bookshelf)
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The latest book version, B 13.0 supposes to use the latest Phoenix 1.8.0 heex template variable interpolation syntax, what is not the ca...
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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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The code example at the top of page 140 includes the phx-debounce=blur binding:
<.input field={@form[:email]} type="email"
label="E...
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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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This paragraph mentions three functions that ensure data consistency:
Finally, the validate/2, unique_constraint/2, and validate_number...
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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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Page 100
Add the following snippet to your index.html.eex template:
index.html.heex
Page 105
Our <.header> function invocati...
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Hello all,
I’m really loving this book, I found a small error on page 281 if you do not alias the SurveyResultsLive it will give this er...
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The template on page 138 already contains the .simple-form component even though we did not assign a form to the socket yet and will ther...
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When using phx.gen.live with phoenix 1.7.14 the generated code in index.html.heex uses patch instead of navigate. When looking up the tem...
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One of the examples has what I think is supposed to be an HTML comment but the opening tag is goofy.
The example reads: <!== lib/pent...
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`<.header>
Listing Products
…
`
The closing tag should be </.header>. This example and error appear twice on this page.
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Typo is in mentioning phx_target. It must be phx-target.
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There’s a sentence on page 103 that reads, “With just a hand full of products in our
database, this isn’t necessarily a huge win.” I bel...
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On page 101 a sentence reads, “Over time, events will continue to transform the socket,
one event a time.” I believe it should end with ...
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The ‘message:’ is Guess a number". In previous and later examples ‘message:’ is “Make a guess”
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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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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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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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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, %{"user...
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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 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 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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After adding the code for on_mount/4 in UserAuthLive and then trying it out, I found that logging out fails due to /login not existing. I...
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p 150
Now, we’re ready to plug our custom code into the save_product helper functions.
Since we’ve delegated most of the hard work to t...
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Page 74: The Ecto.Changeset.cast/4 function filters the user data we pass into params.
params should be attrs
Pages 85-86: the function...
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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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Most Active Over 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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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 context before Cata...
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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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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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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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