From c06849ad16a1ab9bb1e457755f3ef22cf231cac5 Mon Sep 17 00:00:00 2001
From: Oleksandr T <oleksandr.tarasiuk@outlook.com>
Date: Tue, 8 Feb 2022 23:39:54 +0200
Subject: [PATCH] fix(47787): show QF to delete parameter in getter (#47797)

---
 src/services/codefixes/fixUnusedIdentifier.ts   |  4 ++++
 src/services/formatting/smartIndenter.ts        |  2 ++
 ...ixUnusedIdentifier_parameterInGetAccessor.ts | 17 +++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 tests/cases/fourslash/codeFixUnusedIdentifier_parameterInGetAccessor.ts

diff --git a/src/services/codefixes/fixUnusedIdentifier.ts b/src/services/codefixes/fixUnusedIdentifier.ts
index f11c6bce72f..df44b8b2e5a 100644
--- a/src/services/codefixes/fixUnusedIdentifier.ts
+++ b/src/services/codefixes/fixUnusedIdentifier.ts
@@ -316,6 +316,10 @@ namespace ts.codefix {
                 // Setter must have a parameter
                 return false;
 
+            case SyntaxKind.GetAccessor:
+                // Getter cannot have parameters
+                return true;
+
             default:
                 return Debug.failBadSyntaxKind(parent);
         }
diff --git a/src/services/formatting/smartIndenter.ts b/src/services/formatting/smartIndenter.ts
index de223963832..da74c36afcb 100644
--- a/src/services/formatting/smartIndenter.ts
+++ b/src/services/formatting/smartIndenter.ts
@@ -432,6 +432,8 @@ namespace ts.formatting {
                 case SyntaxKind.ConstructorType:
                 case SyntaxKind.ConstructSignature:
                     return getList((node as SignatureDeclaration).typeParameters) || getList((node as SignatureDeclaration).parameters);
+                case SyntaxKind.GetAccessor:
+                    return getList((node as GetAccessorDeclaration).parameters);
                 case SyntaxKind.ClassDeclaration:
                 case SyntaxKind.ClassExpression:
                 case SyntaxKind.InterfaceDeclaration:
diff --git a/tests/cases/fourslash/codeFixUnusedIdentifier_parameterInGetAccessor.ts b/tests/cases/fourslash/codeFixUnusedIdentifier_parameterInGetAccessor.ts
new file mode 100644
index 00000000000..e70afb997db
--- /dev/null
+++ b/tests/cases/fourslash/codeFixUnusedIdentifier_parameterInGetAccessor.ts
@@ -0,0 +1,17 @@
+/// <reference path='fourslash.ts' />
+
+// @noUnusedLocals: true
+// @noUnusedParameters: true
+
+////let foo = {
+////    get x(/**/param) {}
+////}
+
+verify.codeFix({
+    description: "Remove unused declaration for: 'param'",
+    index: 0,
+    newFileContent:
+`let foo = {
+    get x() {}
+}`
+})