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refactor(linter): use FormalParameter::has_modifier to detect parameter properties #10097

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Merged
Dunqing merged 1 commit into from
Mar 28, 2025
Merged

refactor(linter): use FormalParameter::has_modifier to detect parameter properties #10097

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11 changes: 3 additions & 8 deletions crates/oxc_linter/src/rules/eslint/no_useless_constructor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@ use oxc_ast::{
AstKind,
ast::{
Argument, BindingPattern, BindingPatternKind, BindingRestElement, CallExpression,
Expression, FormalParameters, FunctionBody, MethodDefinition, Statement, TSAccessibility,
Expression, FormalParameter, FormalParameters, FunctionBody, MethodDefinition, Statement,
TSAccessibility,
},
};
use oxc_diagnostics::OxcDiagnostic;
Expand Down Expand Up @@ -151,13 +152,7 @@ fn lint_empty_constructor<'a>(

// allow constructors with access modifiers since they actually declare
// class members
if constructor
.value
.params
.items
.iter()
.any(|param| param.accessibility.is_some() || param.readonly)
{
if constructor.value.params.items.iter().any(FormalParameter::has_modifier) {
return;
}

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14 changes: 2 additions & 12 deletions crates/oxc_linter/src/rules/typescript/no_unnecessary_parameter_property_assignment.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -66,18 +66,8 @@ impl Rule for NoUnnecessaryParameterPropertyAssignment {
return;
}

let parameter_properties: Vec<_> = method
.value
.params
.items
.iter()
.filter(|param| {
// TypeScript offers special syntax for turning a constructor parameter into a class property with the same name and value.
// These are called parameter properties and are created by prefixing a constructor argument with one of the visibility modifiers public, private, protected, or readonly
// https://www.typescriptlang.org/docs/handbook/2/classes.html#parameter-properties
param.accessibility.is_some() || param.readonly
})
.collect();
let parameter_properties: Vec<_> =
method.value.params.items.iter().filter(|param| param.has_modifier()).collect();

if parameter_properties.is_empty() {
return;
Expand Down