diff --git a/packages/eslint-plugin/src/rules/no-extra-parens.ts b/packages/eslint-plugin/src/rules/no-extra-parens.ts index 24659aedfe4b..71bfc4f10dc0 100644 --- a/packages/eslint-plugin/src/rules/no-extra-parens.ts +++ b/packages/eslint-plugin/src/rules/no-extra-parens.ts @@ -122,7 +122,19 @@ export default util.createRule({ } }, // AssignmentExpression - // AwaitExpression + AwaitExpression(node) { + if (util.isTypeAssertion(node.argument)) { + // reduces the precedence of the node so the rule thinks it needs to be wrapped + return rules.AwaitExpression({ + ...node, + argument: { + ...node.argument, + type: AST_NODE_TYPES.SequenceExpression as any, + }, + }); + } + return rules.AwaitExpression(node); + }, BinaryExpression: binaryExp, CallExpression: callExp, // ClassDeclaration @@ -148,7 +160,7 @@ export default util.createRule({ }); } if (util.isTypeAssertion(node.alternate)) { - // reduces the precedence of the node so the rule thinks it needs to be rapped + // reduces the precedence of the node so the rule thinks it needs to be wrapped return rules.ConditionalExpression({ ...node, alternate: { 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 5f5dc37896fa..5a72b6015a21 100644 --- a/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts +++ b/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts @@ -19,6 +19,8 @@ ruleTester.run('no-extra-parens', rule, { valid: [ ...batchedSingleLineTests({ code: ` +async function f(arg: any) { await (arg as Promise); } +async function f(arg: Promise) { await arg; } (0).toString(); (function(){}) ? a() : b(); (/^a$/).test(x); @@ -238,6 +240,9 @@ for (a of (b)); typeof (a); a((1)); new a((1)); +a<(A)>((1)); +async function f(arg: Promise) { await (arg); } +async function f(arg: any) { await ((arg as Promise)); } `, output: ` a = b * c; @@ -248,7 +253,9 @@ for (a of b); typeof a; a(1); new a(1); -a<(A)>((1)); +a<(A)>(1); +async function f(arg: Promise) { await arg; } +async function f(arg: any) { await (arg as Promise); } `, errors: [ { @@ -296,6 +303,16 @@ a<(A)>((1)); line: 10, column: 8, }, + { + messageId: 'unexpected', + line: 11, + column: 45, + }, + { + messageId: 'unexpected', + line: 12, + column: 37, + }, ], }), ...batchedSingleLineTests({ pFad - Phonifier reborn

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