Add test for noPropertyAccessFromIndexSignature as style option in tsc --init

Co-authored-by: RyanCavanaugh <6685088+RyanCavanaugh@users.noreply.github.com>

src/testRunner/unittests/config/initializeTSConfig.ts

@@ -30,6 +30,8 @@ describe("unittests:: config:: initTSConfig", () => {
 
     initTSConfigCorrectly("Initialized TSConfig with incorrect compiler option value", ["--init", "--lib", "nonExistLib,es5,es2015.promise"]);
 
+    initTSConfigCorrectly("Initialized TSConfig with noPropertyAccessFromIndexSignature", ["--init", "--noPropertyAccessFromIndexSignature"]);
+
     initTSConfigCorrectly("Initialized TSConfig with advanced options", ["--init", "--declaration", "--declarationDir", "lib", "--skipLibCheck", "--noErrorTruncation"]);
 
     initTSConfigCorrectly("Initialized TSConfig with --help", ["--init", "--help"]);

tests/baselines/reference/config/initTSConfig/Initialized TSConfig with noPropertyAccessFromIndexSignature/tsconfig.json

@@ -0,0 +1,44 @@
+{
+  // Visit https://aka.ms/tsconfig to read more about this file
+  "compilerOptions": {
+    // File Layout
+    // "rootDir": "./src",
+    // "outDir": "./dist",
+
+    // Environment Settings
+    // See also https://aka.ms/tsconfig/module
+    "module": "nodenext",
+    "target": "esnext",
+    "types": [],
+    // For nodejs:
+    // "lib": ["esnext"],
+    // "types": ["node"],
+    // and npm install -D @types/node
+
+    // Other Outputs
+    "sourceMap": true,
+    "declaration": true,
+    "declarationMap": true,
+
+    // Stricter Typechecking Options
+    "noUncheckedIndexedAccess": true,
+    "exactOptionalPropertyTypes": true,
+
+    // Style Options
+    // "noImplicitReturns": true,
+    // "noImplicitOverride": true,
+    // "noUnusedLocals": true,
+    // "noUnusedParameters": true,
+    // "noFallthroughCasesInSwitch": true,
+    "noPropertyAccessFromIndexSignature": true,
+
+    // Recommended Options
+    "strict": true,
+    "jsx": "react-jsx",
+    "verbatimModuleSyntax": true,
+    "isolatedModules": true,
+    "noUncheckedSideEffectImports": true,
+    "moduleDetection": "force",
+    "skipLibCheck": true,
+  }
+}