Restructure mpv/internal package

src/mpv/internal/key.gleam

@@ -0,0 +1,15 @@
+import gleam/erlang/atom
+
+pub fn read_input() -> String {
+  io_get_chars("", 1)
+}
+
+pub type NotUsed
+
+// https://www.erlang.org/doc/apps/stdlib/shell.html#start_interactive/1
+@external(erlang, "shell", "start_interactive")
+pub fn shell_start_interactive(options: #(atom.Atom, atom.Atom)) -> NotUsed
+
+// https://www.erlang.org/doc/apps/stdlib/io.html#get_line/1
+@external(erlang, "io", "get_chars")
+fn io_get_chars(prompt: String, count: Int) -> String

src/mpv/key.gleam

@@ -1,6 +1,8 @@
 import gleam/erlang/atom
 import gleam/list
 
+import mpv/internal/key as internal_key
+
 pub type Key {
   Char(String)
 
@@ -38,29 +40,15 @@ pub fn from_list(l: List(String)) -> Key {
 pub fn start_raw_shell() {
   let no_shell = atom.create("noshell")
   let raw = atom.create("raw")
-  shell_start_interactive(#(no_shell, raw))
+  internal_key.shell_start_interactive(#(no_shell, raw))
 }
 
 // TODO map key to something like Control, to not leak `Continue` etc.
 pub fn read_input_until_key(l: List(String)) -> Key {
-  let l = read_input() |> list.wrap |> list.append(l, _)
+  let l = internal_key.read_input() |> list.wrap |> list.append(l, _)
 
   case from_list(l) {
     Continue -> read_input_until_key(l)
     k -> k
   }
 }
-
-fn read_input() -> String {
-  io_get_chars("", 1)
-}
-
-pub type NotUsed
-
-// https://www.erlang.org/doc/apps/stdlib/shell.html#start_interactive/1
-@external(erlang, "shell", "start_interactive")
-fn shell_start_interactive(options: #(atom.Atom, atom.Atom)) -> NotUsed
-
-// https://www.erlang.org/doc/apps/stdlib/io.html#get_line/1
-@external(erlang, "io", "get_chars")
-fn io_get_chars(prompt: String, count: Int) -> String

src/mpv/mpv.gleam

@@ -2,7 +2,7 @@ import gleam/erlang/process.{type Subject}
 import gleam/otp/actor
 import gleam/string
 
-import mpv/internal.{type Key, Char}
+import mpv/key.{type Key, Char}
 import tcp/reason.{type Reason}
 import tcp/tcp.{type Socket}
 
@@ -30,7 +30,7 @@ pub fn new(exit: Subject(Nil)) -> Result(Nil, String) {
           Error("Could not start actor: " <> string.inspect(start_error))
         Ok(actor.Started(data:, ..)) -> {
           echo "waiting for input"
-          internal.start_raw_shell()
+          key.start_raw_shell()
           process.spawn(fn() { read_input(data) })
           Ok(Nil)
         }
@@ -60,7 +60,7 @@ fn handle_message(
 }
 
 fn read_input(subject: Subject(Message)) -> Nil {
-  internal.read_input_until_key([]) |> KeyPress |> process.send(subject, _)
+  key.read_input_until_key([]) |> KeyPress |> process.send(subject, _)
 
   read_input(subject)
 }

test/mpv/key_test.gleam

@@ -0,0 +1,29 @@
+import gleam/list
+import gleeunit
+
+import mpv/key.{type Key, Char, csi, esc}
+
+pub fn main() -> Nil {
+  gleeunit.main()
+}
+
+type TestCase {
+  TestCase(input: List(String), expected: Key)
+}
+
+pub fn key_from_list_test() {
+  let test_cases = [
+    TestCase(["c"], Char("c")),
+    TestCase([esc, csi, "D"], key.Left),
+    TestCase([esc, csi, "C"], key.Right),
+    TestCase([esc, csi, "A"], key.Up),
+    TestCase([esc, csi, "B"], key.Down),
+    TestCase([esc, csi], key.Continue),
+    TestCase([esc], key.Continue),
+    TestCase([], key.Continue),
+  ]
+
+  list.each(test_cases, fn(tc) {
+    assert tc.expected == key.from_list(tc.input)
+  })
+}

test/mpv/mpv_test.gleam

@@ -1,29 +0,0 @@
-import gleam/list
-import gleeunit
-
-import mpv/internal.{Char, csi, esc}
-
-pub fn main() -> Nil {
-  gleeunit.main()
-}
-
-type TestCase {
-  TestCase(input: List(String), expected: internal.Key)
-}
-
-pub fn mpv_key_from_list_test() {
-  let test_cases = [
-    TestCase(["c"], Char("c")),
-    TestCase([esc, csi, "D"], internal.Left),
-    TestCase([esc, csi, "C"], internal.Right),
-    TestCase([esc, csi, "A"], internal.Up),
-    TestCase([esc, csi, "B"], internal.Down),
-    TestCase([esc, csi], internal.Continue),
-    TestCase([esc], internal.Continue),
-    TestCase([], internal.Continue),
-  ]
-
-  list.each(test_cases, fn(tc) {
-    assert tc.expected == internal.from_list(tc.input)
-  })
-}