🚧 Begin working on CLI things. (#45)

* :recycle: Rename http ffi to lustre_try_ffi.

* :wrench: Add any files under lustre/cli as internal modules.

* :recyle: Move lustre/try command into cli subdirectory.

* :heavy_plus_sign: Add justin, simplifile, and tom as dependencies.

* :sparkles: Write a 'lustre add' command for downloading esbuild.

* :construction: Begin work on a 'lustre build' command for bundling apps and components.

* :sparkles: Add 'main' function as CLI entrypoint to lustre.

* :bug: Fix `no-styles` flag's name

* :bug: Use consistent path for error reporting in lustre add

* :construction: Project module

* :truck: Move esbuild functions to their own module

* :construction: Use a temporary file to bundle components

* :construction: Build app and update to glint rc

* :heavy_plus_sign: Add filepath dependency

* :bug: Fix wrong paths in esbuild code

---------

Co-authored-by: Giacomo Cavalieri <giacomo.cavalieri@icloud.com>

1 files changed, 30 insertions, 1 deletions

diff --git a/src/lustre.gleam b/src/lustre.gleam
index 3151a1a..7aeb6b4 100644
--- a/src/lustre.gleam
+++ b/src/lustre.gleam
@@ -158,16 +158,45 @@
 
 // IMPORTS ---------------------------------------------------------------------
 
+import argv
 import gleam/bool
 import gleam/dict.{type Dict}
-import gleam/dynamic.{type Decoder}
+import gleam/dynamic.{type Decoder, type Dynamic}
 import gleam/erlang/process.{type Subject}
 import gleam/otp/actor.{type StartError}
 import gleam/result
+import glint
+import lustre/cli/add
+import lustre/cli/build
+import lustre/cli/try
 import lustre/effect.{type Effect}
 import lustre/element.{type Element, type Patch}
 import lustre/internals/runtime
 
+// MAIN ------------------------------------------------------------------------
+
+/// This function exists so you can run helpful Lustre utilities from the command
+/// line using `gleam run -m lustre`. For a proper help message run:
+///
+/// ```sh
+/// gleam run -m lustre -- --help
+/// ```
+///
+/// 🚨 If you're just using Lustre as a library, *you can ignore this function*.
+///
+pub fn main() {
+  let args = argv.load().arguments
+
+  glint.new()
+  |> glint.as_gleam_module
+  |> glint.with_name("lustre")
+  |> glint.add(at: ["add", "esbuild"], do: add.esbuild())
+  |> glint.add(at: ["build", "app"], do: build.app())
+  |> glint.add(at: ["build", "component"], do: build.component())
+  |> glint.add(at: ["try"], do: try.run())
+  |> glint.run(args)
+}
+
 // TYPES -----------------------------------------------------------------------
 
 /// Represents a constructed Lustre application that is ready to be started.