Add support for spread expressions in object literals #118
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quintenkasteel
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Sep 7, 2025
Add JSObjectSpread constructor to JSObjectProperty type and implement
grammar rules to parse spread expressions in object literals.
- Add JSObjectSpread constructor with annotation and expression fields
- Update ShowStripped instance for JSObjectProperty to handle spreads
- Add SpreadExpression support to PropertyAssignment grammar rule
- Add spreadExpressionToProperty helper function for AST conversion
Enables parsing of object spread syntax like {...obj} according to
ECMAScript specification for object literal spread expressions.
Resolves: Object spread syntax parsing for PR #118
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Related to #71. Support for spread expressions was added for all contexts other than object literals. This PR adds support for them in object literals, too.