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| author | Hayleigh Thompson <me@hayleigh.dev> | 2023-07-12 00:06:30 +0100 |
|---|---|---|
| committer | Hayleigh Thompson <me@hayleigh.dev> | 2023-07-12 00:06:30 +0100 |
| commit | 67ec0498443ca3972dcfb4775992d6b7d7e8dd87 (patch) | |
| tree | 03a5650f74ac4bdcd9d8b12efa2848f19c05bb2a | |
| parent | d287da07805a86a2a958172e25889ff3d625bee5 (diff) | |
| download | lustre-67ec0498443ca3972dcfb4775992d6b7d7e8dd87.tar.gz lustre-67ec0498443ca3972dcfb4775992d6b7d7e8dd87.zip | |
:sparkles: Create a simple example for handling input.
| -rw-r--r-- | test/input.gleam | 129 | ||||
| -rw-r--r-- | test/input.html | 52 |
2 files changed, 181 insertions, 0 deletions
diff --git a/test/input.gleam b/test/input.gleam new file mode 100644 index 0000000..581630e --- /dev/null +++ b/test/input.gleam @@ -0,0 +1,129 @@ +// IMPORTS --------------------------------------------------------------------- + +import gleam/dynamic +import gleam/option.{None, Option, Some} +import gleam/string +import lustre +import lustre/attribute.{attribute} +import lustre/element.{Element} +import lustre/event + +// MAIN ------------------------------------------------------------------------ + +pub fn main() { + // A `simple` lustre application doesn't produce `Cmd`s. These are best to + // start with if you're just getting started with lustre or you know you don't + // need the runtime to manage any side effects. + let app = lustre.simple(init, update, render) + let assert Ok(_) = lustre.start(app, "body") + + Nil +} + +// MODEL ----------------------------------------------------------------------- + +type Model { + Model(email: String, password: String, remember_me: Bool) +} + +fn init() -> Model { + Model(email: "", password: "", remember_me: False) +} + +// UPDATE ---------------------------------------------------------------------- + +type Msg { + Typed(Input, String) + Toggled(Control, Bool) +} + +type Input { + Email + Password +} + +type Control { + RememberMe +} + +fn update(model: Model, msg: Msg) -> Model { + case msg { + Typed(Email, email) -> Model(..model, email: email) + Typed(Password, password) -> Model(..model, password: password) + Toggled(RememberMe, remember_me) -> Model(..model, remember_me: remember_me) + } +} + +// RENDER ---------------------------------------------------------------------- + +fn render(model: Model) -> Element(Msg) { + element.div( + [attribute.class("container")], + [ + card([ + email_input(model.email), + password_input(model.password), + remember_checkbox(model.remember_me), + element.pre( + [attribute.class("debug")], + [element.text(string.inspect(model))], + ), + ]), + ], + ) +} + +fn card(content: List(Element(a))) -> Element(a) { + element.div([attribute.class("card")], [element.div([], content)]) +} + +fn email_input(value: String) -> Element(Msg) { + render_input(Email, "email", "email-input", value, "Email address") +} + +fn password_input(value: String) -> Element(Msg) { + render_input(Password, "password", "password-input", value, "Password") +} + +fn render_input( + field: Input, + type_: String, + id: String, + value: String, + label: String, +) -> Element(Msg) { + element.div( + [attribute.class("input")], + [ + element.label([attribute.for(id)], [element.text(label)]), + element.input([ + attribute.id(id), + attribute.name(id), + attribute.type_(type_), + attribute.required(True), + attribute.value(dynamic.from(value)), + event.on_input(fn(value) { Typed(field, value) }), + ]), + ], + ) +} + +fn remember_checkbox(checked: Bool) -> Element(Msg) { + element.div( + [attribute.class("flex items-center")], + [ + element.input([ + attribute.id("remember-me"), + attribute.name("remember-me"), + attribute.type_("checkbox"), + attribute.checked(checked), + attribute.class("checkbox"), + event.on_click(Toggled(RememberMe, !checked)), + ]), + element.label( + [attribute.for("remember-me")], + [element.text("Remember me")], + ), + ], + ) +} diff --git a/test/input.html b/test/input.html new file mode 100644 index 0000000..20b60ca --- /dev/null +++ b/test/input.html @@ -0,0 +1,52 @@ +<!DOCTYPE html> +<html lang="en" class="h-full bg-gray-50"> + <head> + <meta charset="UTF-8" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <title>lustre | forms</title> + + <script src="https://cdn.tailwindcss.com"></script> + <style type="text/tailwindcss"> + @layer components { + .container { + @apply flex min-h-full flex-col justify-center py-12 sm:px-6 lg:px-8; + } + + .card { + @apply mt-10 sm:mx-auto sm:w-full sm:max-w-[480px]; + } + + .card > div { + @apply bg-white px-6 py-12 shadow sm:rounded-lg sm:px-12 space-y-6; + } + + .debug { + @apply text-sm text-gray-400 whitespace-pre-line; + } + + .input label { + @apply block text-sm font-medium leading-6 text-gray-900; + } + + .input input { + @apply block w-full rounded-md border-0 p-1.5 mt-2 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-pink-600 sm:text-sm sm:leading-6; + } + + .checkbox { + @apply h-4 w-4 rounded border-gray-300 text-pink-600 focus:ring-pink-600; + } + + .checkbox + label { + @apply ml-3 block text-sm leading-6 text-gray-900; + } + } + </style> + + <script type="module"> + import { main } from "../build/dev/javascript/lustre/input.mjs"; + + document.addEventListener("DOMContentLoaded", main); + </script> + </head> + <body class="h-full"></body> +</html> |