cast to FullSouceFile for more robust unstable ts typechecking

Author: zardoy

typescript/src/codeFixes.ts

@@ -173,7 +173,7 @@ export default (proxy: ts.LanguageService, languageService: ts.LanguageService,
             const program = languageService.getProgram()!
             const sourceFile = program.getSourceFile(fileName)!
             const importAdder = tsFull.codefix.createImportAdder(
-                sourceFile as any,
+                sourceFile as FullSourceFile,
                 program as any,
                 preferences,
                 languageServiceHost as any /* cancellationToken */,
@@ -258,7 +258,7 @@ export default (proxy: ts.LanguageService, languageService: ts.LanguageService,
                         ),
                     )
                     try {
-                        importAdder.addImportFromDiagnostic({ ...diagnostic, file: sourceFile as any } as any, context)
+                        importAdder.addImportFromDiagnostic({ ...diagnostic, file: sourceFile as FullSourceFile } as any, context)
                     } catch (err) {
                         if (err.message === 'No fixes') continue
                         throw err

typescript/src/completionsAtPosition.ts

@@ -66,7 +66,8 @@ export const getCompletionsAtPosition = (
     if (!scriptSnapshot || isInBannedPosition(position, scriptSnapshot, sourceFile)) return
     const exactNode = findChildContainingExactPosition(sourceFile, position)
     const isCheckedFile =
-        !tsFull.isSourceFileJS(sourceFile as any) || !!tsFull.isCheckJsEnabledForFile(sourceFile as any, additionalData.compilerOptions as any)
+        !tsFull.isSourceFileJS(sourceFile as FullSourceFile) ||
+        !!tsFull.isCheckJsEnabledForFile(sourceFile as FullSourceFile, additionalData.compilerOptions as any)
     Object.assign(sharedCompletionContext, {
         position,
         languageService,

typescript/src/namespaceAutoImports.ts

@@ -61,7 +61,7 @@ export default (
         )
         const changeTracker = getChangesTracker(formatOptions)
         // todo respect sorting?
-        changeTracker.insertNodeAtTopOfFile(sourceFile as any, importDeclaration as any, true)
+        changeTracker.insertNodeAtTopOfFile(sourceFile as FullSourceFile, importDeclaration as any, true)
         const changes = changeTracker.getChanges()
         const { textChanges: importTextChanges } = changes[0]!
         textChanges.unshift(...importTextChanges)