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author | Hayleigh Thompson <me@hayleigh.dev> | 2023-07-19 10:49:57 +0100 |
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committer | Hayleigh Thompson <me@hayleigh.dev> | 2023-07-19 10:49:57 +0100 |
commit | 0cbfb11f09d67cd98e8a60d0fa351f8396d3f774 (patch) | |
tree | 1a43f19683fe6214de75f9d96d2a40cbe90b95eb /test/examples/input.gleam | |
parent | 52d3b605d23ad463da850a7294593ebfb4800cb3 (diff) | |
download | lustre-0cbfb11f09d67cd98e8a60d0fa351f8396d3f774.tar.gz lustre-0cbfb11f09d67cd98e8a60d0fa351f8396d3f774.zip |
:truck: Move examples into a subdirectory so they're more obviously not tests.
Diffstat (limited to 'test/examples/input.gleam')
-rw-r--r-- | test/examples/input.gleam | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/test/examples/input.gleam b/test/examples/input.gleam new file mode 100644 index 0000000..9916000 --- /dev/null +++ b/test/examples/input.gleam @@ -0,0 +1,123 @@ +// IMPORTS --------------------------------------------------------------------- + +import gleam/dynamic +import gleam/string +import lustre +import lustre/attribute.{attribute} +import lustre/element.{Element, t} +import lustre/event +import lustre/html.{div, input, label, pre} + +// 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, "[data-lustre-app]") + + 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) { + div( + [attribute.class("container")], + [ + card([ + email_input(model.email), + password_input(model.password), + remember_checkbox(model.remember_me), + pre([attribute.class("debug")], [t(string.inspect(model))]), + ]), + ], + ) +} + +fn card(content: List(Element(a))) -> Element(a) { + div([attribute.class("card")], [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, + text: String, +) -> Element(Msg) { + div( + [attribute.class("input")], + [ + label([attribute.for(id)], [t(text)]), + 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) { + div( + [attribute.class("flex items-center")], + [ + input([ + attribute.id("remember-me"), + attribute.name("remember-me"), + attribute.type_("checkbox"), + attribute.checked(checked), + attribute.class("checkbox"), + event.on_click(Toggled(RememberMe, !checked)), + ]), + label([attribute.for("remember-me")], [t("Remember me")]), + ], + ) +} |