From 42faa7f06cf52663b5ad293006851bbe0bf6daa8 Mon Sep 17 00:00:00 2001
From: Hayleigh Thompson <me@hayleigh.dev>
Date: Thu, 28 Nov 2024 22:31:54 +0100
Subject: [PATCH] :recycle: Remove deep ffi copy in prep for next gleam
 release.

---
 src/lustre_dev_tools/esbuild.gleam            |  3 -
 src/lustre_dev_tools/esbuild/preprocess.gleam | 98 -------------------
 2 files changed, 101 deletions(-)
 delete mode 100644 src/lustre_dev_tools/esbuild/preprocess.gleam

diff --git a/src/lustre_dev_tools/esbuild.gleam b/src/lustre_dev_tools/esbuild.gleam
index 1d46ae7..c8262ba 100644
--- a/src/lustre_dev_tools/esbuild.gleam
+++ b/src/lustre_dev_tools/esbuild.gleam
@@ -12,7 +12,6 @@ import lustre_dev_tools/error.{
   type Error, BundleError, CannotSetPermissions, CannotWriteFile, NetworkError,
   UnknownPlatform, UnzipError,
 }
-import lustre_dev_tools/esbuild/preprocess
 import lustre_dev_tools/project
 import lustre_dev_tools/utils
 import simplifile.{type FilePermissions, Execute, FilePermissions, Read, Write}
@@ -69,8 +68,6 @@ pub fn bundle(input_file: String, output_file: String, minify: Bool) -> Cli(Nil)
   }
 
   use <- cli.log("Bundling with esbuild")
-
-  use _ <- cli.do(preprocess.copy_deep_ffi())
   use _ <- cli.try(exec_esbuild(root, options))
 
   use <- cli.success("Bundle produced at `" <> output_file <> "`")
diff --git a/src/lustre_dev_tools/esbuild/preprocess.gleam b/src/lustre_dev_tools/esbuild/preprocess.gleam
deleted file mode 100644
index e0f257c..0000000
--- a/src/lustre_dev_tools/esbuild/preprocess.gleam
+++ /dev/null
@@ -1,98 +0,0 @@
-// IMPORTS ---------------------------------------------------------------------
-
-import filepath
-import gleam/bool
-import gleam/list
-import gleam/option.{Some}
-import gleam/regexp.{Match, Options}
-import gleam/result
-import gleam/string
-import lustre_dev_tools/cli.{type Cli}
-import lustre_dev_tools/error.{
-  CannotCreateDirectory, CannotReadFile, CannotWriteFile,
-}
-import lustre_dev_tools/project
-import simplifile
-
-//
-
-pub fn copy_deep_ffi() -> Cli(Nil) {
-  use config <- cli.try(project.config())
-  let root = project.root()
-  let src = filepath.join(root, "src")
-  let out = filepath.join(root, "build/dev/javascript/" <> config.name)
-
-  let assert Ok(files) = simplifile.get_files(src)
-
-  cli.from_result({
-    use path <- list.try_each(files)
-    use <- bool.guard(string.ends_with(path, ".gleam"), Ok(Nil))
-
-    let assert "./src/" <> module_path = path
-    let out_path = filepath.join(out, module_path)
-    let out_dir = filepath.directory_name(out_path)
-
-    use _ <- result.try(case filepath.extension(path) {
-      // For all javascript source files, we will re-write any relative imports
-      // to `*.gleam` modules until the Gleam compiler supports FFI code in folders
-      // deeper than just `src/`
-      Ok("js") | Ok("mjs") | Ok("ts") | Ok("mts") -> {
-        use source <- result.try(
-          simplifile.read(path)
-          |> result.map_error(CannotReadFile(_, path))
-          |> result.map(resolve_relative_gleam_imports(path, _)),
-        )
-
-        use _ <- result.try(
-          simplifile.create_directory_all(out_dir)
-          |> result.map_error(CannotCreateDirectory(_, out_dir)),
-        )
-
-        use _ <- result.try(
-          simplifile.write(out_path, source)
-          |> result.map_error(CannotWriteFile(_, out_path)),
-        )
-
-        Ok(Nil)
-      }
-
-      // All other files we will just copy them over, until the Gleam compiler
-      // supports FFI code in folders deeper than just `src/`
-      _ -> {
-        use _ <- result.try(
-          simplifile.create_directory_all(out_dir)
-          |> result.map_error(CannotCreateDirectory(_, out_dir)),
-        )
-
-        use _ <- result.try(
-          simplifile.copy_file(path, out_path)
-          |> result.map_error(CannotWriteFile(_, out_path)),
-        )
-
-        Ok(Nil)
-      }
-    })
-
-    Ok(Nil)
-  })
-}
-
-fn can_resolve_relative_gleam_imports(path: String) -> Bool {
-  case filepath.extension(path) {
-    Ok("js") | Ok("mjs") | Ok("ts") | Ok("mts") -> True
-    _ -> False
-  }
-}
-
-fn resolve_relative_gleam_imports(path: String, source: String) -> String {
-  use <- bool.guard(!can_resolve_relative_gleam_imports(path), source)
-  let options = Options(case_insensitive: False, multi_line: True)
-  let assert Ok(re) = regexp.compile("^import.+\"(\\..+)\";$", options)
-
-  use source, match <- list.fold(regexp.scan(re, source), source)
-  let assert Match(match, [Some(import_path)]) = match
-  let resolved_import_path = string.replace(import_path, ".gleam", ".mjs")
-  let resolved_import = string.replace(match, import_path, resolved_import_path)
-
-  string.replace(source, match, resolved_import)
-}