Port verifyCompilerOptions, error on things removed from this repo

internal/checker/checker.go

@@ -1830,17 +1830,8 @@ func (c *Checker) isBlockScopedNameDeclaredBeforeUse(declaration *ast.Node, usag
 	useFile := ast.GetSourceFileOfNode(usage)
 	declContainer := ast.GetEnclosingBlockScopeContainer(declaration)
 	if declarationFile != useFile {
-		if (c.moduleKind != core.ModuleKindNone && (declarationFile.ExternalModuleIndicator != nil || useFile.ExternalModuleIndicator != nil)) || c.compilerOptions.OutFile == "" || IsInTypeQuery(usage) || declaration.Flags&ast.NodeFlagsAmbient != 0 {
-			// nodes are in different files and order cannot be determined
-			return true
-		}
-		// declaration is after usage
-		// can be legal if usage is deferred (i.e. inside function or in initializer of instance property)
-		if c.isUsedInFunctionOrInstanceProperty(usage, declaration, declContainer) {
-			return true
-		}
-		sourceFiles := c.program.SourceFiles()
-		return slices.Index(sourceFiles, declarationFile) <= slices.Index(sourceFiles, useFile)
+		// nodes are in different files and order cannot be determined
+		return true
 	}
 	// deferred usage in a type context is always OK regardless of the usage position:
 	if usage.Flags&ast.NodeFlagsJSDoc != 0 || IsInTypeQuery(usage) || c.isInAmbientOrTypeNode(usage) {

internal/checker/nodebuilderimpl.go

@@ -1073,7 +1073,7 @@ func (b *nodeBuilderImpl) getSpecifierForModuleSymbol(symbol *ast.Symbol, overri
 	if ok {
 		return result
 	}
-	isBundle := len(b.ch.compilerOptions.OutFile) > 0
+	isBundle := false // !!! remove me
 	// For declaration bundles, we need to generate absolute paths relative to the common source dir for imports,
 	// just like how the declaration emitter does for the ambient module declarations - we can easily accomplish this
 	// using the `baseUrl` compiler option (which we would otherwise never use in declaration emit) and a non-relative

internal/checker/utilities.go

@@ -44,13 +44,6 @@ func findInMap[K comparable, V any](m map[K]V, predicate func(V) bool) V {
 	return *new(V)
 }
 
-func boolToTristate(b bool) core.Tristate {
-	if b {
-		return core.TSTrue
-	}
-	return core.TSFalse
-}
-
 func isCompoundAssignment(token ast.Kind) bool {
 	return token >= ast.KindFirstCompoundAssignment && token <= ast.KindLastCompoundAssignment
 }

internal/compiler/emitter.go

@@ -436,7 +436,6 @@ func sourceFileMayBeEmitted(sourceFile *ast.SourceFile, host SourceFileMayBeEmit
 }
 
 func getSourceFilesToEmit(host SourceFileMayBeEmittedHost, targetSourceFile *ast.SourceFile, forceDtsEmit bool) []*ast.SourceFile {
-	// !!! outFile not yet implemented, may be deprecated
 	var sourceFiles []*ast.SourceFile
 	if targetSourceFile != nil {
 		sourceFiles = []*ast.SourceFile{targetSourceFile}
@@ -453,6 +452,7 @@ func isSourceFileNotJson(file *ast.SourceFile) bool {
 }
 
 func getDeclarationDiagnostics(host EmitHost, file *ast.SourceFile) []*ast.Diagnostic {
+	// TODO: use p.getSourceFilesToEmit cache
 	fullFiles := core.Filter(getSourceFilesToEmit(host, file, false), isSourceFileNotJson)
 	if !core.Some(fullFiles, func(f *ast.SourceFile) bool { return f == file }) {
 		return []*ast.Diagnostic{}