Learn more about components in Phoenix.Component. Opposed to having many modules with a single render/1 function. It is typically best to group related functions into a single module, as Where the component could be defined as follows: defmodule MyApp.Weather do use Phoenix.Component def city ( assigns ) do ~H""" For example, a remote function: Ī local function can be invoked with a leading dot: HEEx allows invoking whose function components directly in the template (same module) or remote (external module).
With the help of the Phoenix.Component module. HEEx extension: Defining function componentsįunction components are stateless components implemented as pure functions The key-value pairs representing the dynamic attributes. The expression inside must be either a keyword list or a map containing įor multiple dynamic attributes, you can use the same notation but withoutĪssigning the expression to any specific attribute. HTML/component nodes and it cannot be applied within tags.įor instance, the following syntax is invalid: " >. and are restricted to the body (inner content) of the Since HEEx must parse and validate the HTML structure, code interpolation using HEEx uses a specific annotation for interpolating HTML tags and attributes. There is one important difference between HEEx and Elixir’s builtin EEx. Note we don’t include the equal sign = in the closing tag (because the closing Similarly, conditionals and other block Elixir constructs are supported: Hello, In this section, we are going to cover theīasic constructs in HEEx templates as well as its syntax extensions.īoth HEEx and EEx templates use for interpolating code inside the body HEEx is built on top of Embedded Elixir ( EEx), a templating syntax that uses The ability to minimize the amount of data sent over the wire HEEx is a HTML-aware and component-friendly extension of EEx that provides:Īn HTML-like notation for injecting function componentsĬompile-time validation of the structure of the template Work but will show inaccurate error messages. Note: HEEx requires Elixir >= 1.12.0 in order to provide accurateįile:line:column information in error messages.
For now, here’s a quick rundown on HEEx from the Phoenix LiveView docs to bring folks up to speed: You can follow along the HEEx roadmap to stay up to date on our feature plans. With the HTML engine and function components in place, we have the layed the groundwork for a vibrant ecosystem of shared and resuable components. We look forward to seeing where each project can continue to innovate and share back as we work towards new engine features. This new engine is thanks to Marlus Saraiva’s excellent work that he extracted from his wonderful Surface library, which builds features on top of Phoenix LiveView. The new engine not only enforces proper HTML, but provides syntax conveniences for rendering components, such as. In addition to the generators, Phoenix LiveView 0.16 was just released with a new HTML engine (HEEx, ~H) for HTML-aware template compilation which you’ll see utilized in all phoenix generated HTML files going forward ( phx.new,, , etc). Phoenix also now includes swoosh by default for mailer support and a new task for generating a notifier for sending email along with a dev mailbox for local development. You can read about the design decisions behind the authentication generators in José’s post on the Dashbit blog. Thanks to efforts by José Valim and Aaron Renner, Phoenix 1.6 ships with a new command for a complete authentication solution bootstrapped into your application. You can grab the rc phx.new generator with the following command: $ mix archive.
I’m pleased to announce the release of Phoenix 1.6.0 has landed on the heels of a fresh LiveView 0.16 release! This release brings a number of major additions, quality of life improvements, bug fixes, and a couple deprecations. Posted on August 26th, 2021 by Chris McCord