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fix(eslint-plugin): [unified-signatures] handle getter-setter #10818

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merged 4 commits into from
Feb 24, 2025
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fix(eslint-plugin): [unified-signatures] handle getter-setter #10818

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3456ba9
fix(eslint-plugin): [unified-signatures] handle getter-setter
yeonjuan Feb 8, 2025
4c7084c
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yeonjuan Feb 15, 2025
c0a9eea
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yeonjuan Feb 15, 2025
03a0dae
Update unified-signatures.ts
yeonjuan Feb 15, 2025
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19 changes: 16 additions & 3 deletions packages/eslint-plugin/src/rules/unified-signatures.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -558,12 +558,12 @@ export default createRule<Options, MessageIds>({

// collect overloads
MethodDefinition(node): void {
if (!node.value.body) {
if (!node.value.body && !isGetterOrSetter(node)) {
addOverload(node);
}
},
TSAbstractMethodDefinition(node): void {
if (!node.value.body) {
if (!node.value.body && !isGetterOrSetter(node)) {
addOverload(node);
}
},
Expand All @@ -573,7 +573,11 @@ export default createRule<Options, MessageIds>({
const exportingNode = getExportingNode(node);
addOverload(node, node.id?.name ?? exportingNode?.type, exportingNode);
},
TSMethodSignature: addOverload,
TSMethodSignature(node): void {
if (!isGetterOrSetter(node)) {
addOverload(node);
}
},

// validate scopes
'ClassDeclaration:exit': checkScope,
Expand Down Expand Up @@ -634,3 +638,12 @@ function getStaticParameterName(param: TSESTree.Node): string | undefined {
function isIdentifier(node: TSESTree.Node): node is TSESTree.Identifier {
return node.type === AST_NODE_TYPES.Identifier;
}

function isGetterOrSetter(
node:
| TSESTree.MethodDefinition
| TSESTree.TSAbstractMethodDefinition
| TSESTree.TSMethodSignature,
): boolean {
return node.kind === 'get' || node.kind === 'set';
}
18 changes: 18 additions & 0 deletions packages/eslint-plugin/tests/rules/unified-signatures.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,24 @@ function rest(...xs: number[]): Promise<number[]>;
function rest(xs: number[], y: string): Promise<string>;
async function rest(...args: any[], y?: string): Promise<number[] | string> {
return y || args;
}
`,
`
declare class Foo {
get bar();
set bar(x: number);
}
`,
`
interface Foo {
get bar();
set bar(x: number);
}
`,
`
abstract class Foo {
abstract get bar();
abstract set bar(a: unknown);
}
`,
{
Expand Down
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