refactor(parser): add TSImportAttributesKeyword as the attributes keyword

[Dunqing]

related: #4610 (comment)

The attributes keyword has only two determined values: assert and with.

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[Dunqing]

• refactor(parser): add TSImportAttributesKeyword as the attributes keyword #5334 👈
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[codspeed-hq]

CodSpeed Performance Report

Merging #5334 will not alter performance

_{Comparing 08-30-refactor_parser_add_tsimportattributeskeyword_as_the_attributes_keyword (0fff430) with main (3ae94b8)}

Summary

✅ 28 untouched benchmarks

[Boshen]

https://github.com/tc39/proposal-import-attributes only allows with, it's going to be another ast change once it lands in stage 4. I'm in favor of keeping this as is until stage 4.

[Dunqing]

https://github.com/tc39/proposal-import-attributes only allows with, it's going to be another ast change once it lands in stage 4. I'm in favor of keeping this as is until stage 4.

Yes, I see your point. But TypeScritp at least keep it until TypeScript 6. It could be a long time. I am fine with any decision, feel free to close/merge it

[Boshen]

The current behavior is fine, let's have less AST nodes.