Extract and test start

stephanvd · stephanvd · commit b04e24d2305f · 2017-03-10T16:24:15.000+01:00
diff --git a/lib/elixir_script/passes/create_js_modules.ex b/lib/elixir_script/passes/create_js_modules.ex
@@ -65,7 +65,18 @@ defmodule ElixirScript.Passes.CreateJSModules do
 
     elixir = JS.variable_declaration([declarator], :const)
 
-    start = JS.assignment_expression(
+    ast = opts.module_formatter.build(
+      [],
+      opts.js_modules,
+      [elixir, start, load] ++ body,
+      JS.identifier("Elixir")
+    )
+
+    ast
+  end
+
+  def start do
+    JS.assignment_expression(
       :=,
       JS.member_expression(
         JS.identifier("Elixir"),
@@ -91,15 +102,6 @@ defmodule ElixirScript.Passes.CreateJSModules do
         ])
       )
     )
-
-    ast = opts.module_formatter.build(
-      [],
-      opts.js_modules,
-      [elixir, start, load] ++ body,
-      JS.identifier("Elixir")
-    )
-
-    ast
   end
 
   def load do
diff --git a/test/passes/create_js_modules_test.exs b/test/passes/create_js_modules_test.exs
@@ -6,6 +6,19 @@ defmodule ElixirScript.Passes.CreateJSModules.Test do
   alias ElixirScript.Passes.CreateJSModules
   alias ESTree.Tools.Generator
 
+  test "start" do
+    start_js = CreateJSModules.start
+    |> Generator.generate
+
+    expected_js =
+"Elixir.start = function(app, args) {
+    app.__load(Elixir).start(Symbol.for('normal'), args)
+}"
+
+
+    assert(start_js == expected_js)
+  end
+
   test "load" do
     load_js = CreateJSModules.load
     |> Generator.generate
