Merge pull request #135 from reesericci/patch-1

Add async/await & promise support to Bun runner
rails · Mar 1, 2024 · ea4731d · ea4731d
2 parents 45043f1 + 3ab72a6
commit ea4731d
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/lib/execjs/support/bun_runner.js b/lib/execjs/support/bun_runner.js
@@ -1,5 +1,5 @@
-(function(program, execJS) { (function() {execJS(program) }).call({}); })(function(self, global, process, module, exports, require, console, setTimeout, setInterval, clearTimeout, clearInterval, setImmediate, clearImmediate) { #{source}
-}, function(program) {
+(function(program, execJS) { (function() {execJS(program) }).call({}); })(async function(self, global, process, module, exports, require, console, setTimeout, setInterval, clearTimeout, clearInterval, setImmediate, clearImmediate) { #{source}
+}, async function(program) {
  // Force BunJS to use sloppy mode see https:/oven-sh/bun/issues/4527#issuecomment-1709520894
  exports.abc = function(){}
  var __process__ = process;
@@ -11,7 +11,7 @@
  try {
  delete this.process;
  delete this.console;
- result = program();
+ result = await program();
  process = __process__;
  if (typeof result == 'undefined' && result !== null) {
  printFinal('["ok"]');

diff --git a/test/test_execjs.rb b/test/test_execjs.rb
@@ -450,6 +450,15 @@ def test_uglify
  context.call("uglify", "function foo(bar) {\n return bar;\n}")
  end
 
+ def test_async_bun
+ skip unless ENV["EXECJS_RUNTIME"] == "Bun"
+ source = <<-JS
+ async function testAsync() { return (await new Promise((resolve) => { resolve("it works!") } )) }
+ JS
+ context = ExecJS.compile(source)
+ assert_equal "it works!", context.call("testAsync")
+ end
+
  private
 
  def assert_output(expected, actual)