From 24f6962aa457d32319756f6217aafde7b0a9c752 Mon Sep 17 00:00:00 2001
From: Hayleigh Thompson <me@hayleigh.dev>
Date: Tue, 23 Jan 2024 00:09:45 +0000
Subject: =?UTF-8?q?=E2=9C=A8=20Add=20universal=20components=20that=20can?=
 =?UTF-8?q?=20run=20on=20the=20server=20(#39)?=
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* :heavy_plus_sign: Add gleam_erlang gleam_otp and gleam_json dependencies.

* :sparkles: Add json encoders for elememnts and attributes.

* :sparkles: Add the ability to perform an effect with a custom dispatch function.

* :construction: Experiment with a server-side component runtime.

* :construction: Expose special server click events.

* :construction: Experiment with a server-side component runtime.

* :construction: Experiment with a server-side component runtime.

* :construction: Experiment with a server-side component runtime.

* :construction: Create a basic server component client bundle.

* :construction: Create a basic server component demo.

* :bug: Fixed a bug where the runtime stopped performing patches.

* :refactor: Roll back introduction of shadow dom.

* :recycle: Refactor to Custom Element-based approach to encapsulating server components.

* :truck: Move some things around.

* :sparkles: Add a minified version of the server component runtime.

* :wrench: Add lustre/server/* to internal modules.

* :recycle: on_attribute_change and on_client_event handlers are now functions not dicts.

* :recycle: Refactor server component event handling to no longer need explicit tags.

* :fire: Remove unnecessary attempt to stringify events.

* :memo: Start documeint lustre/server functions.

* :construction: Experiment with a js implementation of the server component backend runtime.

* :recycle: Experiment with an API that makes heavier use of conditional complilation.

* :recycle: Big refactor to unify server components, client components, and client apps.

* :bug: Fixed some bugs with client runtimes.

* :recycle: Update examples to new lustre api/

* :truck: Move server demo into examples/ folder/

* :wrench: Add lustre/runtime to internal modules.

* :construction: Experiment with a diffing implementation.

* :wrench: Hide internal modules from docs.

* :heavy_plus_sign: Update deps to latest versions.

* :recycle: Move diffing and vdom code into separate internal modules.

* :sparkles: Bring server components to feature parity with client components.

* :recycle: Update server component demo.

* :bug: Fix bug where attribute changes weren't properly broadcast.

* :fire: Remove unused 'Patch' type.

* :recycle: Stub out empty js implementations so we can build for js.

* :memo: Docs for the docs gods.

* :recycle: Rename lustre.server_component to lustre.component.
---
 examples/server_demo/src/demo/app.gleam | 88 +++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 examples/server_demo/src/demo/app.gleam

(limited to 'examples/server_demo/src/demo/app.gleam')

diff --git a/examples/server_demo/src/demo/app.gleam b/examples/server_demo/src/demo/app.gleam
new file mode 100644
index 0000000..13d09a8
--- /dev/null
+++ b/examples/server_demo/src/demo/app.gleam
@@ -0,0 +1,88 @@
+// IMPORTS ---------------------------------------------------------------------
+
+import gleam/dict.{type Dict}
+import gleam/dynamic.{type Decoder}
+import gleam/int
+import gleam/json
+import gleam/result
+import lustre/attribute
+import lustre/effect.{type Effect}
+import lustre/element.{type Element}
+import lustre/element/html
+import lustre/event
+import lustre/server
+import lustre/ui
+
+// MODEL -----------------------------------------------------------------------
+
+pub type Model =
+  Int
+
+pub fn init(count: Int) -> #(Model, Effect(Msg)) {
+  #(count, effect.none())
+}
+
+// UPDATE ----------------------------------------------------------------------
+
+pub opaque type Msg {
+  Incr
+  Decr
+  Reset(Int)
+}
+
+pub fn update(model: Model, msg: Msg) -> #(Model, Effect(Msg)) {
+  case msg {
+    Incr -> #(model + 1, effect.none())
+    Decr -> #(model - 1, effect.none())
+    Reset(count) -> #(
+      count,
+      effect.event(
+        "changed",
+        json.string("You reset the count to: " <> int.to_string(count)),
+      ),
+    )
+  }
+}
+
+pub fn on_attribute_change() -> Dict(String, Decoder(Msg)) {
+  dict.from_list([
+    #("count", fn(dyn) {
+      dyn
+      |> dynamic.int
+      |> result.map(Reset)
+    }),
+  ])
+}
+
+// VIEW ------------------------------------------------------------------------
+
+pub fn view(model: Model) -> Element(Msg) {
+  let count = int.to_string(model)
+
+  ui.centre(
+    [attribute.style([#("width", "100vw"), #("height", "100vh")])],
+    ui.sequence([], [
+      ui.button([event.on_click(Decr)], [element.text("-")]),
+      ui.centre([], html.span([], [element.text(count)])),
+      ui.button([event.on_click(Incr)], [element.text("+")]),
+    ]),
+  )
+  // ui.cluster([], [
+  //   ui.input([event.on_input(Change), attribute.value(model.input)]),
+  //   html.span([], [element.text(model.input)]),
+  // ]),
+  // ui.centre(
+  //   [
+  //     event.on("mousemove", on_mouse_move),
+  //     server.include(["offsetX", "offsetY"]),
+  //     attribute.style([
+  //       #("aspect-ratio", "1 / 1 "),
+  //       #("background-color", "var(--element-background)"),
+  //     ]),
+  //   ],
+  //   html.div([], [
+  //     html.p([], [element.text("x: " <> int.to_string(model.mouse.0))]),
+  //     html.p([], [element.text("y: " <> int.to_string(model.mouse.1))]),
+  //   ]),
+  // ),
+}
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