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feat(isolated-declarations): support inferring ParenthesizedExpression (#3769)

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This commit is contained in:
Dunqing 2024-06-19 15:43:21 +00:00
parent 8ce794d740
commit b38c34dfce
3 changed files with 18 additions and 4 deletions
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7
crates/oxc_isolated_declarations/src/inferrer.rs
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@ -52,16 +52,15 @@ impl<'a> IsolatedDeclarations<'a> {
self.error(inferred_type_of_class_expression(expr.span)); self.error(inferred_type_of_class_expression(expr.span));
Some(self.ast.ts_unknown_keyword(SPAN)) Some(self.ast.ts_unknown_keyword(SPAN))
} }
Expression::ParenthesizedExpression(expr) => {
self.infer_type_from_expression(&expr.expression)
}
Expression::TSNonNullExpression(expr) => { Expression::TSNonNullExpression(expr) => {
self.infer_type_from_expression(&expr.expression) self.infer_type_from_expression(&expr.expression)
} }
Expression::TSSatisfiesExpression(expr) => { Expression::TSSatisfiesExpression(expr) => {
self.infer_type_from_expression(&expr.expression) self.infer_type_from_expression(&expr.expression)
} }
Expression::TSInstantiationExpression(_expr) => {
unreachable!();
// infer_type_from_expression(ctx, &expr.expression)
}
Expression::TSTypeAssertion(expr) => Some(self.ast.copy(&expr.type_annotation)), Expression::TSTypeAssertion(expr) => Some(self.ast.copy(&expr.type_annotation)),
_ => None, _ => None,
} }

5
crates/oxc_isolated_declarations/tests/fixtures/infer-expression.ts vendored Normal file
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@ -0,0 +1,5 @@
// ParenthesizedExpression
const n = (0);
const s = ("");
const t = (``);
const b = (true);

10
crates/oxc_isolated_declarations/tests/snapshots/infer-expression.snap Normal file
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@ -0,0 +1,10 @@
---
source: crates/oxc_isolated_declarations/tests/mod.rs
input_file: crates/oxc_isolated_declarations/tests/fixtures/infer-expression.ts
---
==================== .D.TS ====================
declare const n: number;
declare const s: string;
declare const t: string;
declare const b: boolean;