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LibJS: Allow anonymous functions as default exports

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This requires a special case with names as the default function is
supposed to have a unique name ("*default*" in our case) but when
checked should have name "default".
This commit is contained in:
davidot
2022-09-02 00:46:37 +02:00
committed by Linus Groh
parent 0fc67ffd62
commit 9f661d20f7
Notes: sideshowbarker 2024-07-17 07:34:10 +09:00 
Author: https://github.com/davidot
Commit: https://github.com/SerenityOS/serenity/commit/9f661d20f7
Pull-request: https://github.com/SerenityOS/serenity/pull/15100
Reviewed-by: https://github.com/linusg
5 changed files with 79 additions and 19 deletions
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26
Userland/Libraries/LibJS/Tests/modules/anon-func-decl-default-export.mjs Normal file
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@@ -0,0 +1,26 @@
try {
f();
} catch (e) {
if (!(e instanceof ReferenceError)) throw e;
if (!e.message.includes("bindingUsedInFunction")) throw e;
}
let bindingUsedInFunction = 0;
const immediateResult = f();
const immediateName = f.name + "";
import f from "./anon-func-decl-default-export.mjs";
export default function () {
return bindingUsedInFunction++;
}
const postImportResult = f();
const postImportName = f.name + "";
export const passed =
immediateResult === 0 &&
postImportResult === 1 &&
bindingUsedInFunction === 2 &&
immediateName === "default" &&
postImportName === "default";