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The latest version of the book is P1.0, released 8 months ago. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page.

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If you've found a new error, please submit it.

  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P1.0 (25-Aug-18)
#83577
PDF page: 1

Update the book to the latest version of Phoenix and Elixir. --Joep Stender

  • Reported in: P1.0 (09-Aug-18)
#83479
PDF page: 30
Paper page: 16
== Compilation error in file lib/plate_slate_web/schema.ex == ** (Absinthe.Schema.Error) Invalid schema: Elixir.PlateSlateWeb.Schema:0: The root que...more...
  • Reported in: P1.0 (09-Aug-18)
#83478
PDF page: 32
Paper page: 18
At the first command in the book (feel really annoyed): Absinthe.Schema.lookup_type(PlateSlateWeb.Schema, "MenuItem") == Compilation error in file ...more...
  • Reported in: P1.0 (21-Apr-18)
#83029
PDF page: 42
In the code snippet, 03-chp.userinput/4-ordering/lib/plate_slate/menu/menu.ex, the argument to '^order' should not be ':name'. Probably it is 'order'....more...
  • Reported in: P1.0 (25-Aug-18)
#83578
PDF page: 56
Running the first test fails because of some characters that are changed: left: %{"name" => "Bánh mì"} right: %{"name" => "Bánh mì"} 1) test...more...
  • Reported in: P1.0 (27-Aug-18)
#83580
PDF page: 103
I suggest that instead of using a 'for' clause we can replace it with Enum.map. This works fine and test passed as well: defp build_items(items) do...more...
  • Reported in: P1.0 (30-Sep-18)
#83716
Paper page: 113
Contrary to the explanations ("For the purposes of this test case, though, doing an explicit Absinthe.run call is handy because it helps make it clear...more...
  • Reported in: P1.0 (03-Aug-18)
#83447
PDF page: 125
Text suggests that Absinthe.run will be used to test a mutation, but the code pushes the mutation over the socket. Text: The next thing we do is ru...more...
  • Reported in: P1.0 (26-Apr-18)
#83041
Paper page: 142
The second example on this page is meant to be refering to `lib/plate_slate/ordering/order.ex` where the :customer_id is added to the cast list, howev...more...
  • Reported in: P1.0 (24-Jul-18)
#83398
Paper page: 177

"which will import from the Absinthe.Resolution.Helpers module" >> "which we'll import ..."--Sean Mackesey

  • Reported in: P1.0 (24-Jul-18)
#83399
Paper page: 179
"The first makes sure we can hook into individual fields when they need to use Dataloader" This sentence references Dataloader before it's been int...more...
  • Reported in: P1.0 (05-Nov-18)
#83860
PDF page: 185
The book says that running loader |> Dataloader.get(Menu, Menu.Item, 2) would return nil but instead I get this: iex(9)> loader |> Dataloader.get(M...more...
  • Reported in: P1.0 (07-Nov-18)
#83867
PDF page: 197
Within the code example, the graphql query as well as the body of the index function should use camelCase (at least ... wasn't that the convention)?--...more...
  • Reported in: P1.0 (09-Nov-18)
#83883
PDF page: 204
The Phoenix.Controller.redirect function does not halt the connection which causes the following error Request: GET /admin/items ** (exit) an exce...more...
  • Reported in: P1.0 (24-Jul-18)
#83415
PDF page: 238
"We’ll cover two of them: Apollo Client and Relay. At the current time, there are two major client-side JavaScript frameworks that developers use t...more...
  • Reported in: P1.0 (29-Apr-18)
#83052
Paper page: 245
The example command of `get-graphql-schema ...localhost:4000/graphql > ./schema.graphql` at the very bottom of this page uses an incorrect URL. The UR...more...
  • Reported in: P1.0 (29-Apr-18)
#83053
Paper page: 247
Cannot compile the graphql schema with relay-compiler as described on this page. Even the book source code fails with same error I'm getting: Writi...more...