diff --git a/packages/eslint-plugin/src/rules/no-extra-parens.ts b/packages/eslint-plugin/src/rules/no-extra-parens.ts index 3a4a5973074d..a44276a0a761 100644 --- a/packages/eslint-plugin/src/rules/no-extra-parens.ts +++ b/packages/eslint-plugin/src/rules/no-extra-parens.ts @@ -141,8 +141,30 @@ export default util.createRule({ }, BinaryExpression: binaryExp, CallExpression: callExp, - // ClassDeclaration - // ClassExpression + ClassDeclaration(node) { + if (node.superClass?.type === AST_NODE_TYPES.TSAsExpression) { + return rules.ClassDeclaration({ + ...node, + superClass: { + ...node.superClass, + type: AST_NODE_TYPES.SequenceExpression as any, + }, + }); + } + return rules.ClassDeclaration(node); + }, + ClassExpression(node) { + if (node.superClass?.type === AST_NODE_TYPES.TSAsExpression) { + return rules.ClassExpression({ + ...node, + superClass: { + ...node.superClass, + type: AST_NODE_TYPES.SequenceExpression as any, + }, + }); + } + return rules.ClassExpression(node); + }, ConditionalExpression(node) { // reduces the precedence of the node so the rule thinks it needs to be wrapped if (util.isTypeAssertion(node.test)) { diff --git a/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts b/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts index 6a9e87111aa0..369f55101f28 100644 --- a/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts +++ b/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts @@ -141,6 +141,10 @@ t.true((me.get as SinonStub).calledWithExactly('/foo', other)); t.true((me.get).calledWithExactly('/foo', other)); (requestInit.headers as Headers).get('Cookie'); ( requestInit.headers).get('Cookie'); +class Foo {} +class Foo extends (Bar as any) {} +const foo = class {}; +const foo = class extends (Bar as any) {} `, parserOptions: { ecmaFeatures: { @@ -254,6 +258,10 @@ new a((1)); a<(A)>((1)); async function f(arg: Promise) { await (arg); } async function f(arg: any) { await ((arg as Promise)); } +class Foo extends ((Bar as any)) {} +class Foo extends (Bar) {} +const foo = class extends ((Bar as any)) {} +const foo = class extends (Bar) {} `, output: ` a = b * c; @@ -267,6 +275,10 @@ new a(1); a<(A)>(1); async function f(arg: Promise) { await arg; } async function f(arg: any) { await (arg as Promise); } +class Foo extends (Bar as any) {} +class Foo extends Bar {} +const foo = class extends (Bar as any) {} +const foo = class extends Bar {} `, errors: [ { @@ -324,6 +336,26 @@ async function f(arg: any) { await (arg as Promise); } line: 12, column: 37, }, + { + messageId: 'unexpected', + line: 13, + column: 20, + }, + { + messageId: 'unexpected', + line: 14, + column: 19, + }, + { + messageId: 'unexpected', + line: 15, + column: 28, + }, + { + messageId: 'unexpected', + line: 16, + column: 27, + }, ], }), ...batchedSingleLineTests({ pFad - Phonifier reborn

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