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Acorn optimizer: Allow top-level await expressions #21117

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merged 4 commits into from
Jan 25, 2024
Merged

Acorn optimizer: Allow top-level await expressions #21117

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72a4f28
Acorn optimizer: Allow top-level await expressions
kleisauke Jan 20, 2024
8191423
Incorporate feedback
kleisauke Jan 25, 2024
7c9773b
Add test case
kleisauke Jan 25, 2024
4b70eef
Merge branch 'main' into acorn-top-level-await
kleisauke Jan 25, 2024
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3 changes: 2 additions & 1 deletion test/test_other.py
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Original file line number Diff line number Diff line change
Expand Up @@ -407,7 +407,8 @@ def test_export_es6_allows_export_in_post_js(self):
@parameterized({
'': ([],),
# load a worker before startup to check ES6 modules there as well
'pthreads': (['-pthread', '-sPTHREAD_POOL_SIZE=1'],),
# pass -O2 to ensure the worker JS file is minified with Acorn
'pthreads': (['-O2', '-pthread', '-sPTHREAD_POOL_SIZE=1'],),
})
def test_export_es6(self, args, package_json):
self.run_process([EMCC, test_file('hello_world.c'), '-sEXPORT_ES6',
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1 change: 1 addition & 0 deletions tools/acorn-optimizer.mjs
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Expand Up @@ -2029,6 +2029,7 @@ try {
preserveParens: closureFriendly,
onComment: closureFriendly ? sourceComments : undefined,
sourceType: exportES6 ? 'module' : 'script',
allowAwaitOutsideFunction: true,
});
} catch (err) {
err.message += (() => {
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