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LibJS: Implement the import assertions proposal

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The hard part of parsing them in import statements and calls was already
done so this is just removing some check which threw before on
assertions. And filtering the assertions based on the result of a new
host hook.
This commit is contained in:
davidot 2022-01-27 02:44:03 +01:00 • committed by Linus Groh
parent e0e4ead2c8
commit f568939568
11 changed files with 270 additions and 83 deletions
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19
Userland/Libraries/LibJS/Runtime/PromiseReaction.h
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@ -38,6 +38,25 @@ struct PromiseCapability {
_temporary_try_or_reject_result.release_value(); \
})
// 27.2.1.1.1 IfAbruptRejectPromise ( value, capability ), https://tc39.es/ecma262/#sec-ifabruptrejectpromise
#define TRY_OR_REJECT_WITH_VALUE(global_object, capability, expression) \
({ \
auto _temporary_try_or_reject_result = (expression); \
/* 1. If value is an abrupt completion, then */ \
if (_temporary_try_or_reject_result.is_error()) { \
global_object.vm().clear_exception(); \
\
/* a. Perform ? Call(capability.[[Reject]], undefined, « value.[[Value]] »). */ \
TRY(JS::call(global_object, *capability.reject, js_undefined(), *_temporary_try_or_reject_result.release_error().value())); \
\
/* b. Return capability.[[Promise]]. */ \
return Value { capability.promise }; \
} \
\
/* 2. Else if value is a Completion Record, set value to value.[[Value]]. */ \
_temporary_try_or_reject_result.release_value(); \
})
// 27.2.1.5 NewPromiseCapability ( C ), https://tc39.es/ecma262/#sec-newpromisecapability
ThrowCompletionOr<PromiseCapability> new_promise_capability(GlobalObject& global_object, Value constructor);