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refactor(parser)!: treat unambiguous files containing TS export assignments as modules (#6253)

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An "unambiguous" TS source which contains an `export = <value>;` statement should be interpreted as an ES module.

This is in line with [this Babel test case](94e166782a/packages/babel-parser/test/fixtures/typescript/export/equals-in-unambiguous) which has [input option of `sourceType: "unambiguous"`](94e166782a/packages/babel-parser/test/fixtures/typescript/export/equals-in-unambiguous/options.json (L2)), and [outputs an AST with `sourceType: "module"`](94e166782a/packages/babel-parser/test/fixtures/typescript/export/equals-in-unambiguous/output.json (L7)).
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overlookmotel 2024-10-03 00:28:00 +00:00
parent 4f6bc79734
commit 32d972e2a4
1 changed files with 1 additions and 0 deletions
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crates/oxc_parser/src/js/module.rs
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@ -187,6 +187,7 @@ impl<'a> ParserImpl<'a> {
self.expect(Kind::Eq)?;
let expression = self.parse_assignment_expression_or_higher()?;
self.asi()?;
self.set_source_type_to_module_if_unambiguous();
Ok(self.ast.alloc_ts_export_assignment(self.end_span(start_span), expression))
}