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LibJS: Make Value() default-construct the undefined value
The special empty value (that we use for array holes, Optional<Value> when empty and a few other other placeholder/sentinel tasks) still exists, but you now create one via JS::js_special_empty_value() and check for it with Value::is_special_empty_value(). The main idea here is to make it very unlikely to accidentally create an unexpected special empty value.
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Notes:
github-actions[bot]
2025-04-05 09:21:31 +00:00
Author: https://github.com/awesomekling
Commit: 3cf50539ec
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4232
43 changed files with 165 additions and 122 deletions
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@ -166,7 +166,7 @@ void AsyncFunctionDriverWrapper::continue_async_execution(VM& vm, Value value, b
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}();
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if (result.is_throw_completion()) {
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m_top_level_promise->reject(result.throw_completion().value().value_or(js_undefined()));
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m_top_level_promise->reject(result.throw_completion().value());
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}
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}
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