refactorConvertToGetAccessAndSetAccess: Don't trigger on leading trivia

src/harness/fourslash.ts

@@ -3045,6 +3045,10 @@ Actual: ${stringify(fullActual)}`);
             }
         }
 
+        public verifyRefactorsAvailable(names: ReadonlyArray<string>): void {
+            assert.deepEqual(unique(this.getApplicableRefactors(this.getSelection()), r => r.name), names);
+        }
+
         public verifyRefactor({ name, actionName, refactors }: FourSlashInterface.VerifyRefactorOptions) {
             const actualRefactors = this.getApplicableRefactors(this.getSelection()).filter(r => r.name === name && r.actions.some(a => a.name === actionName));
             this.assertObjectsEqual(actualRefactors, refactors);
@@ -3815,7 +3819,7 @@ ${code}
     }
 
     /** Collects an array of unique outputs. */
-    function unique<T>(inputs: T[], getOutput: (t: T) => string): string[] {
+    function unique<T>(inputs: ReadonlyArray<T>, getOutput: (t: T) => string): string[] {
         const set = ts.createMap<true>();
         for (const input of inputs) {
             const out = getOutput(input);
@@ -4106,6 +4110,10 @@ namespace FourSlashInterface {
             this.state.verifyApplicableRefactorAvailableForRange(this.negative);
         }
 
+        public refactorsAvailable(names: ReadonlyArray<string>): void {
+            this.state.verifyRefactorsAvailable(names);
+        }
+
         public refactor(options: VerifyRefactorOptions) {
             this.state.verifyRefactor(options);
         }

src/services/refactors/generateGetAccessorAndSetAccessor.ts

@@ -9,20 +9,19 @@ namespace ts.refactor.generateGetAccessorAndSetAccessor {
     type ContainerDeclaration = ClassLikeDeclaration | ObjectLiteralExpression;
 
     interface Info {
-        container: ContainerDeclaration;
-        isStatic: boolean;
-        isReadonly: boolean;
-        type: TypeNode | undefined;
-        declaration: AcceptedDeclaration;
-        fieldName: AcceptedNameType;
-        accessorName: AcceptedNameType;
-        originalName: AcceptedNameType;
-        renameAccessor: boolean;
+        readonly container: ContainerDeclaration;
+        readonly isStatic: boolean;
+        readonly isReadonly: boolean;
+        readonly type: TypeNode | undefined;
+        readonly declaration: AcceptedDeclaration;
+        readonly fieldName: AcceptedNameType;
+        readonly accessorName: AcceptedNameType;
+        readonly originalName: AcceptedNameType;
+        readonly renameAccessor: boolean;
     }
 
     function getAvailableActions(context: RefactorContext): ApplicableRefactorInfo[] | undefined {
-        const { file } = context;
-        if (!getConvertibleFieldAtPosition(context, file)) return undefined;
+        if (!getConvertibleFieldAtPosition(context)) return undefined;
 
         return [{
             name: actionName,
@@ -39,7 +38,7 @@ namespace ts.refactor.generateGetAccessorAndSetAccessor {
     function getEditsForAction(context: RefactorContext, _actionName: string): RefactorEditInfo | undefined {
         const { file } = context;
 
-        const fieldInfo = getConvertibleFieldAtPosition(context, file);
+        const fieldInfo = getConvertibleFieldAtPosition(context);
         if (!fieldInfo) return undefined;
 
         const isJS = isSourceFileJavaScript(file);
@@ -117,14 +116,14 @@ namespace ts.refactor.generateGetAccessorAndSetAccessor {
         return name.charCodeAt(0) === CharacterCodes._;
     }
 
-    function getConvertibleFieldAtPosition(context: RefactorContext, file: SourceFile): Info | undefined {
-        const { startPosition, endPosition } = context;
+    function getConvertibleFieldAtPosition(context: RefactorContext): Info | undefined {
+        const { file, startPosition, endPosition } = context;
 
         const node = getTokenAtPosition(file, startPosition, /*includeJsDocComment*/ false);
         const declaration = findAncestor(node.parent, isAcceptedDeclaration);
         // make sure declaration have AccessibilityModifier or Static Modifier or Readonly Modifier
         const meaning = ModifierFlags.AccessibilityModifier | ModifierFlags.Static | ModifierFlags.Readonly;
-        if (!declaration || !rangeOverlapsWithStartEnd(declaration.name, startPosition, endPosition!) // TODO: GH#18217
+        if (!declaration || !nodeOverlapsWithStartEnd(declaration.name, file, startPosition, endPosition!) // TODO: GH#18217
             || !isConvertibleName(declaration.name) || (getModifierFlags(declaration) | meaning) !== meaning) return undefined;
 
         const name = declaration.name.text;

src/services/utilities.ts

@@ -439,6 +439,10 @@ namespace ts {
         return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end);
     }
 
+    export function nodeOverlapsWithStartEnd(node: Node, sourceFile: SourceFile, start: number, end: number) {
+        return startEndOverlapsWithStartEnd(node.getStart(sourceFile), node.end, start, end);
+    }
+
     export function startEndOverlapsWithStartEnd(start1: number, end1: number, start2: number, end2: number) {
         const start = Math.max(start1, start2);
         const end = Math.min(end1, end2);

tests/baselines/reference/api/tsserverlibrary.d.ts

@@ -10670,6 +10670,7 @@ declare namespace ts {
     function startEndContainsRange(start: number, end: number, range: TextRange): boolean;
     function rangeContainsStartEnd(range: TextRange, start: number, end: number): boolean;
     function rangeOverlapsWithStartEnd(r1: TextRange, start: number, end: number): boolean;
+    function nodeOverlapsWithStartEnd(node: Node, sourceFile: SourceFile, start: number, end: number): boolean;
     function startEndOverlapsWithStartEnd(start1: number, end1: number, start2: number, end2: number): boolean;
     /**
      * Assumes `candidate.start <= position` holds.

tests/cases/fourslash/fourslash.ts

@@ -190,6 +190,7 @@ declare namespace FourSlashInterface {
         applicableRefactorAvailableForRange(): void;
 
         refactorAvailable(name: string, actionName?: string): void;
+        refactorsAvailable(names: ReadonlyArray<string>): void;
         refactor(options: {
             name: string;
             actionName: string;

tests/cases/fourslash/refactorConvertToGetAccessAndSetAccess_notOnWhitespace.ts

@@ -0,0 +1,8 @@
+/// <reference path='fourslash.ts' />
+
+////class A {
+/////*a*/    /*b*/p = 0;
+////}
+
+goTo.select("a", "b");
+verify.refactorsAvailable([]);