Update steep

Author: kateinoigakukun

Gemfile

@@ -14,5 +14,5 @@ group :check do
   # Use the latest version of webrick for URI change in Ruby 3.4
   gem "webrick", "~> 1.8.2"
   gem "syntax_tree", "~> 3.5"
-  gem "steep"
+  gem "steep", "~> 1.9"
 end

lib/ruby_wasm/build/product/crossruby.rb

@@ -32,7 +32,7 @@ def feature_name(crossruby)
     end
 
     def make_args(crossruby)
-      make_args = []
+      make_args = [] #: Array[String]
       make_args << "CC=#{@toolchain.cc}"
       make_args << "CXX=#{@toolchain.cc}"
       make_args << "LD=#{@toolchain.ld}"

lib/ruby_wasm/build/product/product.rb

@@ -11,7 +11,7 @@ def initialize(target, toolchain)
       @toolchain = toolchain
     end
     def system_triplet_args
-      args = []
+      args = [] #: Array[String]
       case @target.triple
       when /^wasm32-unknown-wasi/
         args.concat(%W[--host wasm32-wasi])
@@ -24,7 +24,7 @@ def system_triplet_args
     end
 
     def tools_args
-      args = []
+      args = [] #: Array[String]
       args << "CC=#{@toolchain.cc}"
       args << "CXX=#{@toolchain.cxx}"
       args << "LD=#{@toolchain.ld}"

lib/ruby_wasm/build/toolchain.rb

@@ -45,7 +45,7 @@ def self.check_executable(command)
 
     %i[cc cxx ranlib ld ar].each do |name|
       define_method(name) do
-        @tools_cache ||= {}
+        @tools_cache ||= {} #: Hash[String, String]
         @tools_cache[name] ||= find_tool(name)
         @tools_cache[name]
       end

lib/ruby_wasm/packager/core.rb

@@ -111,7 +111,7 @@ def link_gem_exts(executor, ruby_root, gem_home, module_bytes)
     end
 
     def _link_gem_exts(executor, build, ruby_root, gem_home, module_bytes)
-      libraries = []
+      libraries = [] #: Array[String]
 
       # TODO: Should be computed from dyinfo of ruby binary
       wasi_libc_shared_libs = [
@@ -130,7 +130,7 @@ def _link_gem_exts(executor, build, ruby_root, gem_home, module_bytes)
         wasi_sdk_path = toolchain.wasi_sdk_path
         libraries << File.join(wasi_sdk_path, "share/wasi-sysroot/lib/wasm32-wasi", lib)
       end
-      dl_openable_libs = []
+      dl_openable_libs = [] #: Array[[string, Array[String]]]
       dl_openable_libs << [File.dirname(ruby_root), Dir.glob(File.join(ruby_root, "lib", "ruby", "**", "*.so"))]
       dl_openable_libs << [gem_home, Dir.glob(File.join(gem_home, "**", "*.so"))]