Ensure JsonSourceFile has all the non-optional properties of SourceFile (microsoft#26162)

* Ensure JsonSourceFile has all the non-optional properties of SourceFile

* Set properties in parseSourceFile

Author: Andy

src/compiler/moduleSpecifiers.ts

@@ -429,6 +429,7 @@ namespace ts.moduleSpecifiers {
     }
 
     function removeExtensionAndIndexPostFix(fileName: string, ending: Ending, options: CompilerOptions): string {
+        if (fileExtensionIs(fileName, Extension.Json)) return fileName;
         const noExtension = removeFileExtension(fileName);
         switch (ending) {
             case Ending.Minimal:

src/compiler/parser.ts

@@ -515,7 +515,7 @@ namespace ts {
         performance.mark("beforeParse");
         let result: SourceFile;
         if (languageVersion === ScriptTarget.JSON) {
-            result = Parser.parseJsonText(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes);
+            result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes, ScriptKind.JSON);
         }
         else {
             result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes, scriptKind);
@@ -689,8 +689,12 @@ namespace ts {
             if (scriptKind === ScriptKind.JSON) {
                 const result = parseJsonText(fileName, sourceText, languageVersion, syntaxCursor, setParentNodes);
                 convertToObjectWorker(result, result.parseDiagnostics, /*returnValue*/ false, /*knownRootOptions*/ undefined, /*jsonConversionNotifier*/ undefined);
+                result.referencedFiles = emptyArray;
                 result.typeReferenceDirectives = emptyArray;
+                result.libReferenceDirectives = emptyArray;
                 result.amdDependencies = emptyArray;
+                result.hasNoDefaultLib = false;
+                result.pragmas = emptyMap;
                 return result;
             }
 
@@ -7754,7 +7758,6 @@ namespace ts {
         }
     }
 
-    /*@internal*/
     type PragmaDiagnosticReporter = (pos: number, length: number, message: DiagnosticMessage) => void;
 
     /*@internal*/

src/compiler/types.ts

@@ -2632,7 +2632,7 @@ namespace ts {
         /* @internal */ ambientModuleNames: ReadonlyArray<string>;
         /* @internal */ checkJsDirective?: CheckJsDirective;
         /* @internal */ version: string;
-        /* @internal */ pragmas: PragmaMap;
+        /* @internal */ pragmas: ReadonlyPragmaMap;
         /* @internal */ localJsxNamespace?: __String;
         /* @internal */ localJsxFactory?: EntityName;
 
@@ -5588,13 +5588,19 @@ namespace ts {
     /* @internal */
     export type PragmaPsuedoMapEntry = {[K in keyof PragmaPsuedoMap]: {name: K, args: PragmaPsuedoMap[K]}}[keyof PragmaPsuedoMap];
 
+    /* @internal */
+    export interface ReadonlyPragmaMap extends ReadonlyMap<PragmaPsuedoMap[keyof PragmaPsuedoMap] | PragmaPsuedoMap[keyof PragmaPsuedoMap][]> {
+        get<TKey extends keyof PragmaPsuedoMap>(key: TKey): PragmaPsuedoMap[TKey] | PragmaPsuedoMap[TKey][];
+        forEach(action: <TKey extends keyof PragmaPsuedoMap>(value: PragmaPsuedoMap[TKey] | PragmaPsuedoMap[TKey][], key: TKey) => void): void;
+    }
+
     /**
      * A strongly-typed es6 map of pragma entries, the values of which are either a single argument
      * value (if only one was found), or an array of multiple argument values if the pragma is present
      * in multiple places
      */
     /* @internal */
-    export interface PragmaMap extends Map<PragmaPsuedoMap[keyof PragmaPsuedoMap] | PragmaPsuedoMap[keyof PragmaPsuedoMap][]> {
+    export interface PragmaMap extends Map<PragmaPsuedoMap[keyof PragmaPsuedoMap] | PragmaPsuedoMap[keyof PragmaPsuedoMap][]>, ReadonlyPragmaMap {
         set<TKey extends keyof PragmaPsuedoMap>(key: TKey, value: PragmaPsuedoMap[TKey] | PragmaPsuedoMap[TKey][]): this;
         get<TKey extends keyof PragmaPsuedoMap>(key: TKey): PragmaPsuedoMap[TKey] | PragmaPsuedoMap[TKey][];
         forEach(action: <TKey extends keyof PragmaPsuedoMap>(value: PragmaPsuedoMap[TKey] | PragmaPsuedoMap[TKey][], key: TKey) => void): void;

src/compiler/utilities.ts

@@ -16,7 +16,7 @@ namespace ts {
 namespace ts {
     export const emptyArray: never[] = [] as never[];
     export const resolvingEmptyArray: never[] = [] as never[];
-    export const emptyMap: ReadonlyMap<never> = createMap<never>();
+    export const emptyMap = createMap<never>() as ReadonlyMap<never> & ReadonlyPragmaMap;
     export const emptyUnderscoreEscapedMap: ReadonlyUnderscoreEscapedMap<never> = emptyMap as ReadonlyUnderscoreEscapedMap<never>;
 
     export const externalHelpersModuleNameText = "tslib";

tests/cases/fourslash/getEditsForFileRename_resolveJsonModule.ts

@@ -0,0 +1,17 @@
+/// <reference path='fourslash.ts' />
+
+// @resolveJsonModule: true
+
+// @Filename: /a.ts
+////import text from "./message.json";
+
+// @Filename: /message.json
+////{}
+
+verify.getEditsForFileRename({
+    oldPath: "/a.ts",
+    newPath: "/src/a.ts",
+    newFileContents: {
+        "/a.ts": 'import text from "../message.json";',
+    },
+});