13bc6bddaa
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Implement rest parameters, spread in calls/arrays/objects/new/super, covering tokenizer (DotDotDot), AST (Expr::Spread, ObjectPropertyKind, rest_param fields), parser, and interpreter with shared spread_iterable helper. Includes 69 new tests (29 parser + 40 interpreter) and 6 JS262 conformance fixtures. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
14 lines
213 B
JavaScript
14 lines
213 B
JavaScript
var a = {x: 1};
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var b = {...a, y: 2};
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console.log(b.x);
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console.log(b.y);
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var c = {x: 1, ...{x: 2}};
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console.log(c.x);
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var d = {...null, x: 1};
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console.log(d.x);
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var e = {...undefined, y: 2};
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console.log(e.y);
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