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authorHayleigh Thompson <me@hayleigh.dev>2023-12-22 01:37:39 +0000
committerHayleigh Thompson <me@hayleigh.dev>2023-12-22 11:01:21 +0000
commitff3a5e7ce450f1007ae39a47f4e1b431da04a23d (patch)
treee355b8c8cbc5c662b8f700360672d43ae1dce519 /examples/nested/src
parentec7b40fc801e5f5af372f7b0b6524ee0bfcf8d3c (diff)
downloadlustre-ff3a5e7ce450f1007ae39a47f4e1b431da04a23d.tar.gz
lustre-ff3a5e7ce450f1007ae39a47f4e1b431da04a23d.zip
:recycle: Refactor example apps to use lustre/try instead of vite.
Diffstat (limited to 'examples/nested/src')
-rw-r--r--examples/nested/src/nested.gleam57
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diff --git a/examples/nested/src/nested.gleam b/examples/nested/src/nested.gleam
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+// IMPORTS ---------------------------------------------------------------------
+
+import examples/counter
+import gleam/list
+import gleam/map.{type Map}
+import gleam/pair
+import lustre
+import lustre/element.{type Element}
+import lustre/element/html.{div}
+
+// MAIN ------------------------------------------------------------------------
+
+pub fn main() {
+ // A `simple` lustre application doesn't produce `Effect`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, view)
+ let assert Ok(_) = lustre.start(app, "[data-lustre-app]", Nil)
+
+ Nil
+}
+
+// MODEL -----------------------------------------------------------------------
+
+type Model =
+ Map(Int, counter.Model)
+
+fn init(_) -> Model {
+ use counters, id <- list.fold(list.range(1, 10), map.new())
+
+ map.insert(counters, id, counter.init(Nil))
+}
+
+// UPDATE ----------------------------------------------------------------------
+
+type Msg =
+ #(Int, counter.Msg)
+
+fn update(model: Model, msg: Msg) -> Model {
+ let #(id, counter_msg) = msg
+ let assert Ok(counter) = map.get(model, id)
+
+ map.insert(model, id, counter.update(counter, counter_msg))
+}
+
+// RENDER ----------------------------------------------------------------------
+
+fn view(model: Model) -> Element(Msg) {
+ let counters = {
+ use rest, id, counter <- map.fold(model, [])
+ let el = element.map(counter.view(counter), pair.new(id, _))
+
+ [el, ..rest]
+ }
+
+ div([], counters)
+}