Programming Phoenix LiveView (Pragmatic Bookshelf)
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On page 138, :timer.sleep(1000) is used in the server-side code to simulate latency. This would be a great place to introduce the client-...
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Title: Name of book: Programming Phoenix LiveView
Can you remove all those “zero width space” inside code block ? that unicode character...
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The name chosen for the guess module is WrongLive - each time I see this, my brain fires up with the usual connotations of the word wrong...
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On the second paragraph on the first page of chapter 3 reads: “The next two chapters will build a product catalog into our application”. ...
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The render() function examples use ‘ ’ to add space between elements. The same thing could be achieved by adding the tailwind class ‘mt-1...
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I think that this task is too ambiguous:
“Build a component to render an HTML title, with a heading and a configurable message. Render t...
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Most Active Last Three Years
In this - and subsequent - “Give it a try” sections, it would be very useful to have the answers, both to confirm whether we got it right...
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I keep suggesting this book to people that want to learn Phoenix but never actually went through it myself. Today i picked the latest ver...
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I would like to share my thoughts on working through chapter 10 (‘Test Your Live Views’):
Because I worked through the previous exerci...
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Please can we have this section added rather than:
Our app doesn’t currently have a concept of “admin” users, and we’ll leave building ...
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I would suggest recommending resetting ecto in test environment before running the tests. I was faced with
** (Postgrex.Error) ERROR 42...
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Could you please add a section on dynamically adding/removing one-to-many relationships on a form? Eg: Product and ProductAttribute
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Page 171 introduces the usage of an operator used in Ecto queries used to interpolate values. As explained by this Stack Overflow answer,...
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Code snippet on page 138 contains a helper function assign_form/2 that isn’t used within the snippet itself; it’s used by the handle_even...
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Hello,
In chapter 10, Testing Your Live Views, the provided code is confusing. (Or I misread this passage)
Example Code
On page 295, w...
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Before creating the pento database, the book instructs,
First, make sure you have Postgres installed and running on localhost, accessib...
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I have a suggestion: in the source code .zip file, could there be some .exs files of all commands to run in the terminal that chapter?
C...
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Page 191 shows two screenshots of helpful warning messages about faulty calls to function components. The book explains:
The Elixir Lan...
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The code example allows a year of birth to fall from 1900 through 2022:
|> validate_inclusion(:year_of_birth, 1900..2022)
The book p...
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In this section, at the point where it tells the reader to “Start up the server, log in, and point your browser at /promo… You should see...
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The beginning of the “Use the Component” section instructs readers:
Alias the component in SurveyLive by adding this line to the top you...
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Most Active Over Three Years
Updating a product in the list is done this way in the book
def handle_rating_created(
%{assigns: %{products: products}} = socket, updat...
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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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Forms on both pages contain this code user_id in hidden input field:
<%= hidden_input f, :user_id %>
There could be beginners rea...
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The book uses this code in the age group filter:
<form phx-change="age_group_filter" phx-target="<%= @myself%>">
<...
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Drawing is done using stateless components that exist in separate modules. For example:
# lib/pento_web/live/pento/board.ex
def render(a...
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The LiveView Layers: The Modal Component
The code generated using the mix phx.gen.live Accounts User users name:string is very different...
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The text here could do with more explanation. It assumes a considerable amount of knowledge outside that covered so far in the book. If a...
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“Stateless Components as Tiny Helpers”
This is a great tip/explanation. It would be even better if placed right at the beginning of this...
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P99:
“def live_modal(socket, component, opts) do path = Keyword.fetch!(opts, :return_to) modal_opts = [ id: :modal, return_to: path, com...
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P103:
"The modal component markup adds a few LiveView bindings to listen for close events: phx-capture-click=“close”, phx-window-keydown...
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P106:
“Notice there’s an :id key, as well as a :component key that specifies…”
This is a bit unclear - you appear to be referring to th...
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“…Go ahead and add this logic to your template:…”
It would be helpful to always have the pathname to the file being referred to (in this...
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P106:
“Look at the call to live_component/3 in the modal component’s markup…”
It would be worth mentioning that this markup appears in ...
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P103:
because the phx-target is set to the @id assignment,
It’s not clear (to me at least) where/how it is set?
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Hi,
May I suggest you update Surface to 0.5.0 and your examples? It would be a shame to release the book using deprecated syntax.
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