Initial usage of async/await in JS library code. NFC (#23104)

Convert asyncLoad from promises to async/await. This lays the groundwork for more a larger usage in #23068
emscripten-core · Dec 9, 2024 · f1c321a · f1c321a
1 parent d1ea4c3
commit f1c321a
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Showing 3 changed files with 6 additions and 10 deletions.
diff --git a/src/library.js b/src/library.js
@@ -2181,16 +2181,12 @@ addToLibrary({
     return x.startsWith('dynCall_') ? x : '_' + x;
   },
 
-  $asyncLoad: (url) => {
-    return new Promise((resolve, reject) => {
-      readAsync(url).then(
-        (arrayBuffer) => {
+  $asyncLoad: async (url) => {
+    var arrayBuffer = await readAsync(url);
   #if ASSERTIONS
-          assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
+    assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
   #endif
-          resolve(new Uint8Array(arrayBuffer));
-        }, reject);
-    });
+    return new Uint8Array(arrayBuffer);
   },
 
   $alignMemory: (size, alignment) => {

diff --git a/test/other/codesize/test_codesize_hello_dylink.gzsize b/test/other/codesize/test_codesize_hello_dylink.gzsize
@@ -1 +1 @@
-6276
+6274
diff --git a/test/other/codesize/test_codesize_hello_dylink.jssize b/test/other/codesize/test_codesize_hello_dylink.jssize
@@ -1 +1 @@
-13831
+13816