Use application priv paths

Author: dannote

lib/quickbeam/js.ex

@@ -11,7 +11,7 @@ defmodule QuickBEAM.JS do
 
   # ── Polyfill compilation (compile-time only) ──
 
-  @ts_dir Path.join([__DIR__, "../../priv/ts"]) |> Path.expand()
+  @ts_dir Application.app_dir(:quickbeam, "priv/ts")
 
   for ts <- Path.wildcard(Path.join(@ts_dir, "*.ts")),
       not String.ends_with?(ts, ".d.ts") do

lib/quickbeam/native.ex

@@ -3,7 +3,7 @@ defmodule QuickBEAM.Native do
 
   @version Mix.Project.config()[:version]
 
-  @c_src_dir Path.expand("../../priv/c_src", __DIR__)
+  @c_src_dir Application.app_dir(:quickbeam, "priv/c_src")
   @hidden_cflags ["-fvisibility=hidden"]
   @lexbor_base_cflags [
     "-std=c99",