Dont add "use strict" prologue in json emit (#36380)

* Add test for strict with isolated modules and resolveJson
Test for #36372

* Dont add "use strict" prologue in json emit
Fixes #36372

Author: sheetalkamat

src/compiler/transformers/module/module.ts

@@ -91,7 +91,7 @@ namespace ts {
 
             const statements: Statement[] = [];
             const ensureUseStrict = getStrictOptionValue(compilerOptions, "alwaysStrict") || (!compilerOptions.noImplicitUseStrict && isExternalModule(currentSourceFile));
-            const statementOffset = addPrologue(statements, node.statements, ensureUseStrict, sourceElementVisitor);
+            const statementOffset = addPrologue(statements, node.statements, ensureUseStrict && !isJsonSourceFile(node), sourceElementVisitor);
 
             if (shouldEmitUnderscoreUnderscoreESModule()) {
                 append(statements, createUnderscoreUnderscoreESModule());

tests/baselines/reference/isolatedModules_resolveJsonModule_strict_outDir_commonJs.js

@@ -0,0 +1,14 @@
+//// [tests/cases/compiler/isolatedModules_resolveJsonModule_strict_outDir_commonJs.ts] ////
+
+//// [a.ts]
+import * as j from "./j.json";
+
+//// [j.json]
+{}
+
+
+//// [j.json]
+{}
+//// [a.js]
+"use strict";
+exports.__esModule = true;

tests/baselines/reference/isolatedModules_resolveJsonModule_strict_outDir_commonJs.symbols

@@ -0,0 +1,8 @@
+=== /a.ts ===
+import * as j from "./j.json";
+>j : Symbol(j, Decl(a.ts, 0, 6))
+
+=== /j.json ===
+{}
+No type information for this code.
+No type information for this code.

tests/baselines/reference/isolatedModules_resolveJsonModule_strict_outDir_commonJs.types

@@ -0,0 +1,8 @@
+=== /a.ts ===
+import * as j from "./j.json";
+>j : {}
+
+=== /j.json ===
+{}
+>{} : {}
+

tests/cases/compiler/isolatedModules_resolveJsonModule_strict_outDir_commonJs.ts

@@ -0,0 +1,11 @@
+// @isolatedModules: true
+// @resolveJsonModule: true
+// @strict: true
+// @outDir: /dist
+// @module: commonjs
+
+// @Filename: /a.ts
+import * as j from "./j.json";
+
+// @Filename: /j.json
+{}