[wip] Build mode

internal/api/server.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	"strconv"
 	"sync"
+	"time"
 
 	"github.com/go-json-experiment/json"
 	"github.com/microsoft/typescript-go/internal/bundled"
@@ -472,3 +473,8 @@ func (s *Server) Stat(path string) vfs.FileInfo {
 func (s *Server) Remove(path string) error {
 	panic("unimplemented")
 }
+
+// Chtimes implements vfs.FS.
+func (s *Server) Chtimes(path string, aTime time.Time, mTime time.Time) error {
+	panic("unimplemented")
+}

internal/bundled/embed.go

@@ -161,6 +161,13 @@ func (vfs *wrappedFS) Remove(path string) error {
 	return vfs.fs.Remove(path)
 }
 
+func (vfs *wrappedFS) Chtimes(path string, aTime time.Time, mTime time.Time) error {
+	if _, ok := splitPath(path); ok {
+		panic("cannot change times on embedded file system")
+	}
+	return vfs.fs.Chtimes(path, aTime, mTime)
+}
+
 type fileInfo struct {
 	mode fs.FileMode
 	name string

internal/checker/checker.go

@@ -14633,7 +14633,7 @@ func (c *Checker) resolveExternalModule(location *ast.Node, moduleReference stri
 							}
 
 							var message *diagnostics.Message
-							if overrideHost != nil && overrideHost.Kind == ast.KindImportDeclaration && overrideHost.AsImportDeclaration().ImportClause.IsTypeOnly() {
+							if overrideHost != nil && overrideHost.Kind == ast.KindImportDeclaration && overrideHost.AsImportDeclaration().ImportClause != nil && overrideHost.AsImportDeclaration().ImportClause.IsTypeOnly() {
 								message = diagnostics.Type_only_import_of_an_ECMAScript_module_from_a_CommonJS_module_must_have_a_resolution_mode_attribute
 							} else if overrideHost != nil && overrideHost.Kind == ast.KindImportType {
 								message = diagnostics.Type_import_of_an_ECMAScript_module_from_a_CommonJS_module_must_have_a_resolution_mode_attribute

internal/collections/syncset.go

@@ -11,8 +11,13 @@ func (s *SyncSet[T]) Has(key T) bool {
 	return ok
 }
 
+func (s *SyncSet[T]) AddIfAbsent(key T) bool {
+	_, loaded := s.m.LoadOrStore(key, struct{}{})
+	return !loaded
+}
+
 func (s *SyncSet[T]) Add(key T) {
-	s.m.Store(key, struct{}{})
+	s.AddIfAbsent(key)
 }
 
 func (s *SyncSet[T]) Delete(key T) {

internal/compiler/emitter.go

@@ -42,9 +42,6 @@ type emitter struct {
 }
 
 func (e *emitter) emit() {
-	if e.host.Options().ListEmittedFiles.IsTrue() {
-		e.emitResult.EmittedFiles = []string{}
-	}
 	// !!! tracing
 	e.emitJSFile(e.sourceFile, e.paths.JsFilePath(), e.paths.SourceMapFilePath())
 	e.emitDeclarationFile(e.sourceFile, e.paths.DeclarationFilePath(), e.paths.DeclarationMapPath())
@@ -262,7 +259,7 @@ func (e *emitter) printSourceFile(jsFilePath string, sourceMapFilePath string, s
 			err := e.host.WriteFile(sourceMapFilePath, sourceMap, false /*writeByteOrderMark*/)
 			if err != nil {
 				e.emitterDiagnostics.Add(ast.NewCompilerDiagnostic(diagnostics.Could_not_write_file_0_Colon_1, jsFilePath, err.Error()))
-			} else if e.emitResult.EmittedFiles != nil {
+			} else {
 				e.emitResult.EmittedFiles = append(e.emitResult.EmittedFiles, sourceMapFilePath)
 			}
 		}
@@ -286,7 +283,7 @@ func (e *emitter) printSourceFile(jsFilePath string, sourceMapFilePath string, s
 	}
 	if err != nil {
 		e.emitterDiagnostics.Add(ast.NewCompilerDiagnostic(diagnostics.Could_not_write_file_0_Colon_1, jsFilePath, err.Error()))
-	} else if e.emitResult.EmittedFiles != nil && !skippedDtsWrite {
+	} else if !skippedDtsWrite {
 		e.emitResult.EmittedFiles = append(e.emitResult.EmittedFiles, jsFilePath)
 	}
 

internal/compiler/fileInclude.go

@@ -8,6 +8,7 @@ import (
 	"github.com/microsoft/typescript-go/internal/core"
 	"github.com/microsoft/typescript-go/internal/diagnostics"
 	"github.com/microsoft/typescript-go/internal/module"
+	"github.com/microsoft/typescript-go/internal/scanner"
 	"github.com/microsoft/typescript-go/internal/tsoptions"
 	"github.com/microsoft/typescript-go/internal/tspath"
 )
@@ -57,7 +58,11 @@ type referenceFileLocation struct {
 
 func (r *referenceFileLocation) text() string {
 	if r.node != nil {
-		return r.node.Text()
+		if !ast.NodeIsSynthesized(r.node) {
+			return r.file.Text()[scanner.SkipTrivia(r.file.Text(), r.node.Loc.Pos()):r.node.End()]
+		} else {
+			return fmt.Sprintf(`"%s"`, r.node.Text())
+		}
 	} else {
 		return r.file.Text()[r.ref.Pos():r.ref.End()]
 	}

internal/compiler/fileloader.go

@@ -610,19 +610,19 @@ func (p *fileLoader) pathForLibFile(name string) *LibFile {
 
 	path := tspath.CombinePaths(p.defaultLibraryPath, name)
 	replaced := false
-	if p.opts.Config.CompilerOptions().LibReplacement.IsTrue() {
+	if p.opts.Config.CompilerOptions().LibReplacement.IsTrue() && name != "lib.d.ts" {
 		libraryName := getLibraryNameFromLibFileName(name)
 		resolveFrom := getInferredLibraryNameResolveFrom(p.opts.Config.CompilerOptions(), p.opts.Host.GetCurrentDirectory(), name)
 		resolution, trace := p.resolver.ResolveModuleName(libraryName, resolveFrom, core.ModuleKindCommonJS, nil)
 		if resolution.IsResolved() {
 			path = resolution.ResolvedFileName
 			replaced = true
-			p.pathForLibFileResolutions.LoadOrStore(p.toPath(resolveFrom), &libResolution{
-				libraryName: libraryName,
-				resolution:  resolution,
-				trace:       trace,
-			})
 		}
+		p.pathForLibFileResolutions.LoadOrStore(p.toPath(resolveFrom), &libResolution{
+			libraryName: libraryName,
+			resolution:  resolution,
+			trace:       trace,
+		})
 	}
 
 	libPath, _ := p.pathForLibFileCache.LoadOrStore(name, &LibFile{name, path, replaced})

internal/compiler/program.go

@@ -270,6 +270,7 @@ func equalCheckJSDirectives(d1 *ast.CheckJsDirective, d2 *ast.CheckJsDirective)
 
 func (p *Program) SourceFiles() []*ast.SourceFile { return p.files }
 func (p *Program) Options() *core.CompilerOptions { return p.opts.Config.CompilerOptions() }
+func (p *Program) GetRootFileNames() []string     { return p.opts.Config.FileNames() }
 func (p *Program) Host() CompilerHost             { return p.opts.Host }
 func (p *Program) GetConfigFileParsingDiagnostics() []*ast.Diagnostic {
 	return slices.Clip(p.opts.Config.GetConfigFileParsingDiagnostics())
@@ -1364,9 +1365,7 @@ func CombineEmitResults(results []*EmitResult) *EmitResult {
 			result.EmitSkipped = true
 		}
 		result.Diagnostics = append(result.Diagnostics, emitResult.Diagnostics...)
-		if emitResult.EmittedFiles != nil {
-			result.EmittedFiles = append(result.EmittedFiles, emitResult.EmittedFiles...)
-		}
+		result.EmittedFiles = append(result.EmittedFiles, emitResult.EmittedFiles...)
 		if emitResult.SourceMaps != nil {
 			result.SourceMaps = append(result.SourceMaps, emitResult.SourceMaps...)
 		}

internal/compiler/projectreferencedtsfakinghost.go

@@ -2,6 +2,7 @@ package compiler
 
 import (
 	"strings"
+	"time"
 
 	"github.com/microsoft/typescript-go/internal/collections"
 	"github.com/microsoft/typescript-go/internal/core"
@@ -82,6 +83,11 @@ func (fs *projectReferenceDtsFakingVfs) Remove(path string) error {
 	panic("should not be called by resolver")
 }
 
+// Chtimes implements vfs.FS.
+func (fs *projectReferenceDtsFakingVfs) Chtimes(path string, aTime time.Time, mTime time.Time) error {
+	panic("should not be called by resolver")
+}
+
 // DirectoryExists implements vfs.FS.
 func (fs *projectReferenceDtsFakingVfs) DirectoryExists(path string) bool {
 	if fs.projectReferenceFileMapper.opts.Host.FS().DirectoryExists(path) {

internal/core/buildoptions.go

@@ -0,0 +1,15 @@
+package core
+
+type BuildOptions struct {
+	_ noCopy
+
+	Dry               Tristate `json:"dry,omitzero"`
+	Force             Tristate `json:"force,omitzero"`
+	Verbose           Tristate `json:"verbose,omitzero"`
+	StopBuildOnErrors Tristate `json:"stopBuildOnErrors,omitzero"`
+
+	// CompilerOptions are not parsed here and will be available on ParsedBuildCommandLine
+
+	// Internal fields
+	Clean Tristate `json:"clean,omitzero"`
+}

internal/core/compileroptions.go

@@ -26,7 +26,6 @@ type CompilerOptions struct {
 	AllowUnusedLabels                         Tristate                                  `json:"allowUnusedLabels,omitzero"`
 	AssumeChangesOnlyAffectDirectDependencies Tristate                                  `json:"assumeChangesOnlyAffectDirectDependencies,omitzero"`
 	AlwaysStrict                              Tristate                                  `json:"alwaysStrict,omitzero"`
-	Build                                     Tristate                                  `json:"build,omitzero"`
 	CheckJs                                   Tristate                                  `json:"checkJs,omitzero"`
 	CustomConditions                          []string                                  `json:"customConditions,omitzero"`
 	Composite                                 Tristate                                  `json:"composite,omitzero"`
@@ -142,7 +141,7 @@ type CompilerOptions struct {
 	Version             Tristate `json:"version,omitzero"`
 	Watch               Tristate `json:"watch,omitzero"`
 	ShowConfig          Tristate `json:"showConfig,omitzero"`
-	TscBuild            Tristate `json:"tscBuild,omitzero"`
+	Build               Tristate `json:"build,omitzero"`
 	Help                Tristate `json:"help,omitzero"`
 	All                 Tristate `json:"all,omitzero"`
 

internal/core/projectreference.go

@@ -9,10 +9,10 @@ type ProjectReference struct {
 }
 
 func ResolveProjectReferencePath(ref *ProjectReference) string {
-	return resolveConfigFileNameOfProjectReference(ref.Path)
+	return ResolveConfigFileNameOfProjectReference(ref.Path)
 }
 
-func resolveConfigFileNameOfProjectReference(path string) string {
+func ResolveConfigFileNameOfProjectReference(path string) string {
 	if tspath.FileExtensionIs(path, tspath.ExtensionJson) {
 		return path
 	}

internal/diagnostics/extraDiagnosticMessages.json

@@ -22,5 +22,21 @@
     "A JSDoc '@type' tag may not occur with a '@param' or '@returns' tag.": {
         "category": "Error",
         "code": 8040
+    },
+    "Failed to delete file '{0}'.": {
+        "category": "Message",
+        "code": 6353
+    },
+    "Project '{0}' is out of date because config file does not exist.": {
+        "category": "Message",
+        "code": 6401
+    },
+    "Project '{0}' is out of date because input '{1}' does not exist.": {
+        "category": "Message",
+        "code": 6420
+    },
+    "Failed to update timestamp of file '{0}'.": {
+        "category": "Message",
+        "code": 5074
     }
 }

internal/diagnosticwriter/diagnosticwriter.go

@@ -39,7 +39,6 @@ func FormatDiagnosticsWithColorAndContext(output io.Writer, diags []*ast.Diagnos
 	if len(diags) == 0 {
 		return
 	}
-
 	for i, diagnostic := range diags {
 		if i > 0 {
 			fmt.Fprint(output, formatOpts.NewLine)
@@ -386,3 +385,15 @@ func WriteFormatDiagnostic(output io.Writer, diagnostic *ast.Diagnostic, formatO
 	WriteFlattenedDiagnosticMessage(output, diagnostic, formatOpts.NewLine)
 	fmt.Fprint(output, formatOpts.NewLine)
 }
+
+func FormatDiagnosticsStatusWithColorAndTime(output io.Writer, time string, diag *ast.Diagnostic, formatOpts *FormattingOptions) {
+	fmt.Fprint(output, "[")
+	writeWithStyleAndReset(output, time, foregroundColorEscapeGrey)
+	fmt.Fprint(output, "] ")
+	WriteFlattenedDiagnosticMessage(output, diag, formatOpts.NewLine)
+}
+
+func FormatDiagnosticsStatusAndTime(output io.Writer, time string, diag *ast.Diagnostic, formatOpts *FormattingOptions) {
+	fmt.Fprint(output, time, " - ")
+	WriteFlattenedDiagnosticMessage(output, diag, formatOpts.NewLine)
+}