Make preProcessFile public again

Author: rbuckton

src/harness/harnessLanguageService.ts

@@ -233,7 +233,7 @@ namespace Harness.LanguageService {
         getHost() { return this.host; }
         getLanguageService(): ts.LanguageService { return ts.createLanguageService(this.host); }
         getClassifier(): ts.Classifier { return ts.Classifier.createClassifier(); }
-        getPreProcessedFileInfo(fileName: string, fileContents: string): ts.PreProcessedFileInfo { return ts.PreProcess.preProcessFile(fileContents, /* readImportFiles */ true, ts.hasJavaScriptFileExtension(fileName)); }
+        getPreProcessedFileInfo(fileName: string, fileContents: string): ts.PreProcessedFileInfo { return ts.preProcessFile(fileContents, /* readImportFiles */ true, ts.hasJavaScriptFileExtension(fileName)); }
     }
 
     /// Shim adapter
@@ -258,7 +258,7 @@ namespace Harness.LanguageService {
                 };
                 this.getModuleResolutionsForFile = (fileName) => {
                     const scriptInfo = this.getScriptInfo(fileName);
-                    const preprocessInfo = ts.PreProcess.preProcessFile(scriptInfo.content, /*readImportFiles*/ true);
+                    const preprocessInfo = ts.preProcessFile(scriptInfo.content, /*readImportFiles*/ true);
                     const imports = ts.createMap<string>();
                     for (const module of preprocessInfo.importedFiles) {
                         const resolutionInfo = ts.resolveModuleName(module.fileName, fileName, compilerOptions, moduleResolutionHost);
@@ -271,7 +271,7 @@ namespace Harness.LanguageService {
                 this.getTypeReferenceDirectiveResolutionsForFile = (fileName) => {
                     const scriptInfo = this.getScriptInfo(fileName);
                     if (scriptInfo) {
-                        const preprocessInfo = ts.PreProcess.preProcessFile(scriptInfo.content, /*readImportFiles*/ false);
+                        const preprocessInfo = ts.preProcessFile(scriptInfo.content, /*readImportFiles*/ false);
                         const resolutions = ts.createMap<ts.ResolvedTypeReferenceDirective>();
                         const settings = this.nativeHost.getCompilationSettings();
                         for (const typeReferenceDirective of preprocessInfo.typeReferenceDirectives) {

src/harness/unittests/services/preProcessFile.ts

@@ -2,7 +2,7 @@
 
 describe("PreProcessFile:", function () {
     function test(sourceText: string, readImportFile: boolean, detectJavaScriptImports: boolean, expectedPreProcess: ts.PreProcessedFileInfo): void {
-        const resultPreProcess = ts.PreProcess.preProcessFile(sourceText, readImportFile, detectJavaScriptImports);
+        const resultPreProcess = ts.preProcessFile(sourceText, readImportFile, detectJavaScriptImports);
 
         assert.equal(resultPreProcess.isLibFile, expectedPreProcess.isLibFile, "Pre-processed file has different value for isLibFile. Expected: " + expectedPreProcess.isLibFile + ". Actual: " + resultPreProcess.isLibFile);
 

src/services/preProcess.ts

@@ -1,5 +1,4 @@
-/* @internal */
-namespace ts.PreProcess {
+namespace ts {
     export function preProcessFile(sourceText: string, readImportFiles = true, detectJavaScriptImports = false): PreProcessedFileInfo {
         const referencedFiles: FileReference[] = [];
         const typeReferenceDirectives: FileReference[] = [];

src/services/shims.ts

@@ -1047,7 +1047,7 @@ namespace ts {
                 `getPreProcessedFileInfo('${fileName}')`,
                 () => {
                     // for now treat files as JavaScript
-                    const result = PreProcess.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), /* readImportFiles */ true, /* detectJavaScriptImports */ true);
+                    const result = preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), /* readImportFiles */ true, /* detectJavaScriptImports */ true);
                     return {
                         referencedFiles: this.convertFileReferences(result.referencedFiles),
                         importedFiles: this.convertFileReferences(result.importedFiles),