Use futures 0.3 API (#3358)

1 files changed, 4 insertions, 2 deletions

diff --git a/cli/compilers/js.rs b/cli/compilers/js.rs
index af79690d6..b6277659f 100644
--- a/cli/compilers/js.rs
+++ b/cli/compilers/js.rs
@@ -2,6 +2,8 @@
 use crate::compilers::CompiledModule;
 use crate::compilers::CompiledModuleFuture;
 use crate::file_fetcher::SourceFile;
+use crate::futures::future::FutureExt;
+use std::pin::Pin;
 use std::str;
 
 pub struct JsCompiler {}
@@ -10,7 +12,7 @@ impl JsCompiler {
   pub fn compile_async(
     self: &Self,
     source_file: &SourceFile,
-  ) -> Box<CompiledModuleFuture> {
+  ) -> Pin<Box<CompiledModuleFuture>> {
     let module = CompiledModule {
       code: str::from_utf8(&source_file.source_code)
         .unwrap()
@@ -18,6 +20,6 @@ impl JsCompiler {
       name: source_file.url.to_string(),
     };
 
-    Box::new(futures::future::ok(module))
+    futures::future::ok(module).boxed()
   }
 }