Golang build.NewSession函数代码示例

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本文整理汇总了Golang中github.com/gopherjs/gopherjs/build.NewSession函数的典型用法代码示例。如果您正苦于以下问题：Golang NewSession函数的具体用法？Golang NewSession怎么用？Golang NewSession使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NewSession函数的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Build

// Build creates a build and returns the first error happening. All errors are typed.
func (b *builder) Build() error {
	if b.target == nil {
		return ErrorMissingTarget{}
	}
	fileSet := token.NewFileSet()

	files := []*ast.File{}

	for name, reader := range b.files {
		if reader == nil {
			return ErrorParsing{name, "reader must not be nil"}
		}
		f, err := parser.ParseFile(fileSet, name, reader, 0)
		if err != nil {
			return ErrorParsing{name, err.Error()}
		}
		files = append(files, f)
	}

	s := build.NewSession(b.options)

	archive, err := compiler.Compile(b.pkgName, files, fileSet, s.ImportContext, b.options.Minify)
	if err != nil {
		return ErrorCompiling(err.Error())
	}

	deps, err := compiler.ImportDependencies(archive, s.ImportContext.Import)
	if err != nil {
		return ErrorImportingDependencies(err.Error())
	}

	return compiler.WriteProgramCode(deps, &compiler.SourceMapFilter{Writer: b.target})
}

开发者ID:rexposadas，项目名称:gx，代码行数:34，代码来源:gopherjslib.go

示例2: Compile

func Compile(ctx context.Context, source []byte, mapping bool) ([]byte, error) {
	vos := vosctx.FromContext(ctx)

	options := &build.Options{
		GOROOT:        vos.Getenv("GOROOT"),
		GOPATH:        vos.Getenv("GOPATH"),
		CreateMapFile: mapping,
	}
	s := build.NewSession(options)

	packages := make(map[string]*compiler.Archive)
	importContext := &compiler.ImportContext{
		Packages: s.Types,
		Import:   s.BuildImportPath,
	}

	fileSet := token.NewFileSet()

	file, err := parser.ParseFile(fileSet, "prog.go", source, parser.ParseComments)
	if err != nil {
		return nil, kerr.Wrap("NCYFEKGCWX", err)
	}

	mainPkg, err := compiler.Compile("main", []*ast.File{file}, fileSet, importContext, false)
	if err != nil {
		return nil, kerr.Wrap("KPHUKOLTBX", err)
	}
	packages["main"] = mainPkg

	bufCode := bytes.NewBuffer(nil)
	filter := &compiler.SourceMapFilter{Writer: bufCode}
	allPkgs, err := compiler.ImportDependencies(mainPkg, importContext.Import)
	if err != nil {
		return nil, kerr.Wrap("TIMQHFQTWL", err)
	}

	if mapping {
		bufMap := bytes.NewBuffer(nil)
		smap := &sourcemap.Map{File: "script.js"}
		filter.MappingCallback = build.NewMappingCallback(smap, options.GOROOT, options.GOPATH, false)
		if err := compiler.WriteProgramCode(allPkgs, filter); err != nil {
			return nil, kerr.Wrap("YKQEKRKBPL", err)
		}
		if err := smap.WriteTo(bufMap); err != nil {
			return nil, kerr.Wrap("VYQGYAAADG", err)
		}
		return bufMap.Bytes(), nil
	}

	if err := compiler.WriteProgramCode(allPkgs, filter); err != nil {
		return nil, kerr.Wrap("DPPVHCOTBQ", err)
	}
	if _, err := bufCode.WriteString("//# sourceMappingURL=script.js.map\n"); err != nil {
		return nil, kerr.Wrap("CXXKWQVGUI", err)
	}
	return bufCode.Bytes(), nil
}

开发者ID:kego，项目名称:ke，代码行数:57，代码来源:compiler.go

示例3: NewJSSession

// NewJSSession returns a new session for build js files
func NewJSSession(tags []string, verbose, watch bool) *JSSession {

	options := &build.Options{
		Verbose:       verbose,
		Watch:         watch,
		CreateMapFile: true,
		Minify:        true,
		BuildTags:     tags,
	}

	session := build.NewSession(options)

	return &JSSession{
		Session: session,
		Option:  options,
	}
}

开发者ID:influx6，项目名称:reactors，代码行数:18，代码来源:js.go

示例4: Handler

func (g *GinGopher) Handler(c *gin.Context) {
	f, err := ioutil.TempFile("", "gingopher")
	if err != nil {
		c.String(200, "console.error(%s);", strconv.Quote(err.Error()))
		return
	}
	f.Close()

	filename := f.Name()
	defer os.Remove(filename)

	options := &gbuild.Options{
		GOROOT:        "",
		GOPATH:        os.Getenv("GOPATH"),
		Verbose:       false,
		Quiet:         false,
		Watch:         false,
		CreateMapFile: false,
		Minify:        false,
		Color:         true,
	}

	finalPath := "/"

	// Try to deduce the package path.
	paths := strings.Split(options.GOPATH, ":")
	for _, p := range paths {
		candidatePath := path.Join(p, "src", g.pkg)
		st, e := os.Stat(candidatePath)
		if e == nil && st.IsDir() {
			finalPath = candidatePath
			break
		}
	}

	s := gbuild.NewSession(options)
	err = s.BuildDir(finalPath, g.pkg, filename)
	if err != nil {
		c.String(200, "console.error(%s);", strconv.Quote(err.Error()))
		return
	}

	http.ServeFile(c.Writer, c.Request, f.Name())
}

开发者ID:abrander，项目名称:gingopherjs，代码行数:44，代码来源:gingopher.go

示例5: main

func main() {
	options := &gbuild.Options{CreateMapFile: true}
	var pkgObj string

	pflag.BoolVarP(&options.Verbose, "verbose", "v", false, "print the names of packages as they are compiled")
	flagVerbose := pflag.Lookup("verbose")
	pflag.BoolVarP(&options.Quiet, "quiet", "q", false, "suppress non-fatal warnings")
	flagQuiet := pflag.Lookup("quiet")
	pflag.BoolVarP(&options.Watch, "watch", "w", false, "watch for changes to the source files")
	flagWatch := pflag.Lookup("watch")
	pflag.BoolVarP(&options.Minify, "minify", "m", false, "minify generated code")
	flagMinify := pflag.Lookup("minify")
	pflag.BoolVar(&options.Color, "color", terminal.IsTerminal(int(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb", "colored output")
	flagColor := pflag.Lookup("color")
	tags := pflag.String("tags", "", "a list of build tags to consider satisfied during the build")
	flagTags := pflag.Lookup("tags")

	cmdBuild := &cobra.Command{
		Use:   "build [packages]",
		Short: "compile packages and dependencies",
	}
	cmdBuild.Flags().StringVarP(&pkgObj, "output", "o", "", "output file")
	cmdBuild.Flags().AddFlag(flagVerbose)
	cmdBuild.Flags().AddFlag(flagQuiet)
	cmdBuild.Flags().AddFlag(flagWatch)
	cmdBuild.Flags().AddFlag(flagMinify)
	cmdBuild.Flags().AddFlag(flagColor)
	cmdBuild.Flags().AddFlag(flagTags)
	cmdBuild.Run = func(cmd *cobra.Command, args []string) {
		options.BuildTags = strings.Fields(*tags)
		for {
			s := gbuild.NewSession(options)

			exitCode := handleError(func() error {
				if len(args) == 0 {
					return s.BuildDir(currentDirectory, currentDirectory, pkgObj)
				}

				if strings.HasSuffix(args[0], ".go") || strings.HasSuffix(args[0], ".inc.js") {
					for _, arg := range args {
						if !strings.HasSuffix(arg, ".go") && !strings.HasSuffix(arg, ".inc.js") {
							return fmt.Errorf("named files must be .go or .inc.js files")
						}
					}
					if pkgObj == "" {
						basename := filepath.Base(args[0])
						pkgObj = basename[:len(basename)-3] + ".js"
					}
					names := make([]string, len(args))
					for i, name := range args {
						name = filepath.ToSlash(name)
						names[i] = name
					}
					if err := s.BuildFiles(args, pkgObj, currentDirectory); err != nil {
						return err
					}
					return nil
				}

				for _, pkgPath := range args {
					pkgPath = filepath.ToSlash(pkgPath)
					pkg, err := gbuild.Import(pkgPath, 0, s.InstallSuffix(), options.BuildTags)
					if err != nil {
						return err
					}
					archive, err := s.BuildPackage(pkg)
					if err != nil {
						return err
					}
					if pkgObj == "" {
						pkgObj = filepath.Base(args[0]) + ".js"
					}
					if pkg.IsCommand() && !pkg.UpToDate {
						if err := s.WriteCommandPackage(archive, pkgObj); err != nil {
							return err
						}
					}
				}
				return nil
			}, options, nil)

			os.Exit(exitCode)
		}
	}

	cmdInstall := &cobra.Command{
		Use:   "install [packages]",
		Short: "compile and install packages and dependencies",
	}
	cmdInstall.Flags().AddFlag(flagVerbose)
	cmdInstall.Flags().AddFlag(flagQuiet)
	cmdInstall.Flags().AddFlag(flagWatch)
	cmdInstall.Flags().AddFlag(flagMinify)
	cmdInstall.Flags().AddFlag(flagColor)
	cmdInstall.Flags().AddFlag(flagTags)
	cmdInstall.Run = func(cmd *cobra.Command, args []string) {
		options.BuildTags = strings.Fields(*tags)
		for {
			s := gbuild.NewSession(options)

//.........这里部分代码省略.........

开发者ID:pombredanne，项目名称:camlistore，代码行数:101，代码来源:tool.go

示例6: Open

func (fs serveCommandFileSystem) Open(requestName string) (http.File, error) {
	name := path.Join(fs.serveRoot, requestName[1:]) // requestName[0] == '/'

	dir, file := path.Split(name)
	base := path.Base(dir) // base is parent folder name, which becomes the output file name.

	isPkg := file == base+".js"
	isMap := file == base+".js.map"
	isIndex := file == "index.html"

	if isPkg || isMap || isIndex {
		// If we're going to be serving our special files, make sure there's a Go command in this folder.
		s := gbuild.NewSession(fs.options)
		pkg, err := gbuild.Import(path.Dir(name), 0, s.InstallSuffix(), fs.options.BuildTags)
		if err != nil || pkg.Name != "main" {
			isPkg = false
			isMap = false
			isIndex = false
		}

		switch {
		case isPkg:
			buf := bytes.NewBuffer(nil)
			browserErrors := bytes.NewBuffer(nil)
			exitCode := handleError(func() error {
				archive, err := s.BuildPackage(pkg)
				if err != nil {
					return err
				}

				sourceMapFilter := &compiler.SourceMapFilter{Writer: buf}
				m := &sourcemap.Map{File: base + ".js"}
				sourceMapFilter.MappingCallback = gbuild.NewMappingCallback(m, fs.options.GOROOT, fs.options.GOPATH)

				deps, err := compiler.ImportDependencies(archive, s.BuildImportPath)
				if err != nil {
					return err
				}
				if err := compiler.WriteProgramCode(deps, sourceMapFilter); err != nil {
					return err
				}

				mapBuf := bytes.NewBuffer(nil)
				m.WriteTo(mapBuf)
				buf.WriteString("//# sourceMappingURL=" + base + ".js.map\n")
				fs.sourceMaps[name+".map"] = mapBuf.Bytes()

				return nil
			}, fs.options, browserErrors)
			if exitCode != 0 {
				buf = browserErrors
			}
			return newFakeFile(base+".js", buf.Bytes()), nil

		case isMap:
			if content, ok := fs.sourceMaps[name]; ok {
				return newFakeFile(base+".js.map", content), nil
			}
		}
	}

	for _, d := range fs.dirs {
		dir := http.Dir(filepath.Join(d, "src"))

		f, err := dir.Open(name)
		if err == nil {
			return f, nil
		}

		// source maps are served outside of serveRoot
		f, err = dir.Open(requestName)
		if err == nil {
			return f, nil
		}
	}

	if isIndex {
		// If there was no index.html file in any dirs, supply our own.
		return newFakeFile("index.html", []byte(`<html><head><meta charset="utf-8"><script src="`+base+`.js"></script></head></html>`)), nil
	}

	return nil, os.ErrNotExist
}

开发者ID:pombredanne，项目名称:camlistore，代码行数:83，代码来源:tool.go

示例7: main

func main() {
	flags := flag.NewFlagSet("", flag.ContinueOnError)
	cmd := "help"
	var cmdArgs []string
	if err := flags.Parse(os.Args[1:]); err == nil && flags.NArg() != 0 {
		cmd = flags.Arg(0)
		cmdArgs = flags.Args()[1:]
		if cmd == "help" && flags.NArg() == 2 {
			cmd = flags.Arg(1)
			cmdArgs = []string{"--help"}
		}
	}

	options := &gbuild.Options{CreateMapFile: true}
	switch cmd {
	case "build":
		buildFlags := flag.NewFlagSet("build command", flag.ExitOnError)
		var pkgObj string
		buildFlags.StringVar(&pkgObj, "o", "", "output file")
		buildFlags.BoolVar(&options.Verbose, "v", false, "print the names of packages as they are compiled")
		buildFlags.BoolVar(&options.Watch, "w", false, "watch for changes to the source files")
		buildFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
		buildFlags.Parse(cmdArgs)

		for {
			s := gbuild.NewSession(options)

			exitCode := handleError(func() error {
				if buildFlags.NArg() == 0 {
					return s.BuildDir(currentDirectory, currentDirectory, pkgObj)
				}

				if strings.HasSuffix(buildFlags.Arg(0), ".go") {
					for _, arg := range buildFlags.Args() {
						if !strings.HasSuffix(arg, ".go") {
							return fmt.Errorf("named files must be .go files")
						}
					}
					if pkgObj == "" {
						basename := filepath.Base(buildFlags.Arg(0))
						pkgObj = basename[:len(basename)-3] + ".js"
					}
					names := make([]string, buildFlags.NArg())
					for i, name := range buildFlags.Args() {
						name = filepath.ToSlash(name)
						names[i] = name
						if s.Watcher != nil {
							s.Watcher.Watch(filepath.ToSlash(name))
						}
					}
					if err := s.BuildFiles(buildFlags.Args(), pkgObj, currentDirectory); err != nil {
						return err
					}
					return nil
				}

				for _, pkgPath := range buildFlags.Args() {
					pkgPath = filepath.ToSlash(pkgPath)
					if s.Watcher != nil {
						s.Watcher.Watch(pkgPath)
					}
					buildPkg, err := gbuild.Import(pkgPath, 0, s.ArchSuffix())
					if err != nil {
						return err
					}
					pkg := &gbuild.PackageData{Package: buildPkg}
					if err := s.BuildPackage(pkg); err != nil {
						return err
					}
					if pkgObj == "" {
						pkgObj = filepath.Base(buildFlags.Arg(0)) + ".js"
					}
					if err := s.WriteCommandPackage(pkg, pkgObj); err != nil {
						return err
					}
				}
				return nil
			})

			if s.Watcher == nil {
				os.Exit(exitCode)
			}
			s.WaitForChange()
		}

	case "install":
		installFlags := flag.NewFlagSet("install command", flag.ExitOnError)
		installFlags.BoolVar(&options.Verbose, "v", false, "print the names of packages as they are compiled")
		installFlags.BoolVar(&options.Watch, "w", false, "watch for changes to the source files")
		installFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
		installFlags.Parse(cmdArgs)

		for {
			s := gbuild.NewSession(options)

			exitCode := handleError(func() error {
				pkgs := installFlags.Args()
				if len(pkgs) == 0 {
					firstGopathWorkspace := filepath.SplitList(build.Default.GOPATH)[0] // TODO: The GOPATH workspace that contains the package source should be chosen.
					srcDir, err := filepath.EvalSymlinks(filepath.Join(firstGopathWorkspace, "src"))
//.........这里部分代码省略.........

开发者ID:nvdnkpr，项目名称:gopherjs，代码行数:101，代码来源:tool.go

示例8: main

func main() {
	flags := flag.NewFlagSet("", flag.ContinueOnError)
	cmd := "help"
	var cmdArgs []string
	if err := flags.Parse(os.Args[1:]); err == nil && flags.NArg() != 0 {
		cmd = flags.Arg(0)
		cmdArgs = flags.Args()[1:]
		if cmd == "help" && flags.NArg() == 2 {
			cmd = flags.Arg(1)
			cmdArgs = []string{"--help"}
		}
	}

	options := &gbuild.Options{CreateMapFile: true}
	switch cmd {
	case "build":
		buildFlags := flag.NewFlagSet("build command", flag.ExitOnError)
		var pkgObj string
		buildFlags.StringVar(&pkgObj, "o", "", "output file")
		buildFlags.BoolVar(&options.Verbose, "v", false, "print the names of packages as they are compiled")
		buildFlags.BoolVar(&options.Watch, "w", false, "watch for changes to the source files")
		buildFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
		buildFlags.Parse(cmdArgs)

		for {
			s := gbuild.NewSession(options)

			exitCode := handleError(func() error {
				if buildFlags.NArg() == 0 {
					return s.BuildDir(currentDirectory, currentDirectory, pkgObj)
				}

				if strings.HasSuffix(buildFlags.Arg(0), ".go") {
					for _, arg := range buildFlags.Args() {
						if !strings.HasSuffix(arg, ".go") {
							return fmt.Errorf("named files must be .go files")
						}
					}
					if pkgObj == "" {
						basename := filepath.Base(buildFlags.Arg(0))
						pkgObj = basename[:len(basename)-3] + ".js"
					}
					names := make([]string, buildFlags.NArg())
					for i, name := range buildFlags.Args() {
						name = filepath.ToSlash(name)
						names[i] = name
						if s.Watcher != nil {
							s.Watcher.Watch(filepath.ToSlash(name))
						}
					}
					if err := s.BuildFiles(buildFlags.Args(), pkgObj, currentDirectory); err != nil {
						return err
					}
					return nil
				}

				for _, pkgPath := range buildFlags.Args() {
					pkgPath = filepath.ToSlash(pkgPath)
					if s.Watcher != nil {
						s.Watcher.Watch(pkgPath)
					}
					buildPkg, err := gbuild.Import(pkgPath, 0, s.ArchSuffix())
					if err != nil {
						return err
					}
					pkg := &gbuild.PackageData{Package: buildPkg}
					if err := s.BuildPackage(pkg); err != nil {
						return err
					}
					if pkgObj == "" {
						pkgObj = filepath.Base(buildFlags.Arg(0)) + ".js"
					}
					if err := s.WriteCommandPackage(pkg, pkgObj); err != nil {
						return err
					}
				}
				return nil
			})

			if s.Watcher == nil {
				os.Exit(exitCode)
			}
			s.WaitForChange()
		}

	case "install":
		installFlags := flag.NewFlagSet("install command", flag.ExitOnError)
		installFlags.BoolVar(&options.Verbose, "v", false, "print the names of packages as they are compiled")
		installFlags.BoolVar(&options.Watch, "w", false, "watch for changes to the source files")
		installFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
		installFlags.Parse(cmdArgs)

		for {
			s := gbuild.NewSession(options)

			exitCode := handleError(func() error {
				pkgs := installFlags.Args()
				if len(pkgs) == 0 {
					srcDir, err := filepath.EvalSymlinks(filepath.Join(build.Default.GOPATH, "src"))
					if err != nil {
//.........这里部分代码省略.........

开发者ID:phaikawl，项目名称:gopherjs，代码行数:101，代码来源:tool.go

示例9: main

func main() {
	options := &gbuild.Options{CreateMapFile: true}
	var pkgObj string

	pflag.BoolVarP(&options.Verbose, "verbose", "v", false, "print the names of packages as they are compiled")
	flagVerbose := pflag.Lookup("verbose")
	pflag.BoolVarP(&options.Watch, "watch", "w", false, "watch for changes to the source files")
	flagWatch := pflag.Lookup("watch")
	pflag.BoolVarP(&options.Minify, "minify", "m", false, "minify generated code")
	flagMinify := pflag.Lookup("minify")
	pflag.BoolVar(&options.Color, "color", terminal.IsTerminal(int(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb", "colored output")
	flagColor := pflag.Lookup("color")
	tags := pflag.String("tags", "", "a list of build tags to consider satisfied during the build")
	flagTags := pflag.Lookup("tags")

	cmdBuild := &cobra.Command{
		Use:   "build [packages]",
		Short: "compile packages and dependencies",
	}
	cmdBuild.Flags().StringVarP(&pkgObj, "output", "o", "", "output file")
	cmdBuild.Flags().AddFlag(flagVerbose)
	cmdBuild.Flags().AddFlag(flagWatch)
	cmdBuild.Flags().AddFlag(flagMinify)
	cmdBuild.Flags().AddFlag(flagColor)
	cmdBuild.Flags().AddFlag(flagTags)
	cmdBuild.Run = func(cmd *cobra.Command, args []string) {
		options.BuildTags = strings.Fields(*tags)
		for {
			s := gbuild.NewSession(options)

			exitCode := handleError(func() error {
				if len(args) == 0 {
					return s.BuildDir(currentDirectory, currentDirectory, pkgObj)
				}

				if strings.HasSuffix(args[0], ".go") || strings.HasSuffix(args[0], ".inc.js") {
					for _, arg := range args {
						if !strings.HasSuffix(arg, ".go") && !strings.HasSuffix(arg, ".inc.js") {
							return fmt.Errorf("named files must be .go or .inc.js files")
						}
					}
					if pkgObj == "" {
						basename := filepath.Base(args[0])
						pkgObj = basename[:len(basename)-3] + ".js"
					}
					names := make([]string, len(args))
					for i, name := range args {
						name = filepath.ToSlash(name)
						names[i] = name
						if s.Watcher != nil {
							s.Watcher.Add(name)
						}
					}
					if err := s.BuildFiles(args, pkgObj, currentDirectory); err != nil {
						return err
					}
					return nil
				}

				for _, pkgPath := range args {
					pkgPath = filepath.ToSlash(pkgPath)
					if s.Watcher != nil {
						s.Watcher.Add(pkgPath)
					}
					buildPkg, err := gbuild.Import(pkgPath, 0, s.InstallSuffix(), options.BuildTags)
					if err != nil {
						return err
					}
					pkg := &gbuild.PackageData{Package: buildPkg}
					if err := s.BuildPackage(pkg); err != nil {
						return err
					}
					if pkgObj == "" {
						pkgObj = filepath.Base(args[0]) + ".js"
					}
					if err := s.WriteCommandPackage(pkg, pkgObj); err != nil {
						return err
					}
				}
				return nil
			}, options, nil)

			if s.Watcher == nil {
				os.Exit(exitCode)
			}
			s.WaitForChange()
		}
	}

	cmdInstall := &cobra.Command{
		Use:   "install [packages]",
		Short: "compile and install packages and dependencies",
	}
	cmdInstall.Flags().AddFlag(flagVerbose)
	cmdInstall.Flags().AddFlag(flagWatch)
	cmdInstall.Flags().AddFlag(flagMinify)
	cmdInstall.Flags().AddFlag(flagColor)
	cmdInstall.Flags().AddFlag(flagTags)
	cmdInstall.Run = func(cmd *cobra.Command, args []string) {
		options.BuildTags = strings.Fields(*tags)
//.........这里部分代码省略.........

开发者ID:wmydz1，项目名称:gopherjs，代码行数:101，代码来源:tool.go

示例10: Open

func (fs serveCommandFileSystem) Open(name string) (http.File, error) {
	for _, d := range fs.dirs {
		file, err := http.Dir(filepath.Join(d, "src")).Open(name)
		if err == nil {
			return file, nil
		}
	}

	if strings.HasSuffix(name, "/main.js.map") {
		if content, ok := fs.sourceMaps[name]; ok {
			return newFakeFile("main.js.map", content), nil
		}
	}

	isIndex := strings.HasSuffix(name, "/index.html")
	isMain := strings.HasSuffix(name, "/main.js")
	if isIndex || isMain {
		s := gbuild.NewSession(fs.options)
		buildPkg, err := gbuild.Import(path.Dir(name[1:]), 0, s.InstallSuffix(), fs.options.BuildTags)
		if err != nil || buildPkg.Name != "main" {
			return nil, os.ErrNotExist
		}

		if isIndex {
			return newFakeFile("index.html", []byte(`<html><head><meta charset="utf-8"><script src="main.js"></script></head></html>`)), nil
		}

		if isMain {
			buf := bytes.NewBuffer(nil)
			browserErrors := bytes.NewBuffer(nil)
			exitCode := handleError(func() error {
				pkg := &gbuild.PackageData{Package: buildPkg}
				if err := s.BuildPackage(pkg); err != nil {
					return err
				}

				sourceMapFilter := &compiler.SourceMapFilter{Writer: buf}
				m := &sourcemap.Map{File: "main.js"}
				sourceMapFilter.MappingCallback = gbuild.NewMappingCallback(m, fs.options.GOROOT, fs.options.GOPATH)

				deps, err := compiler.ImportDependencies(pkg.Archive, s.ImportContext.Import)
				if err != nil {
					return err
				}
				if err := compiler.WriteProgramCode(deps, sourceMapFilter); err != nil {
					return err
				}

				mapBuf := bytes.NewBuffer(nil)
				m.WriteTo(mapBuf)
				buf.WriteString("//# sourceMappingURL=main.js.map\n")
				fs.sourceMaps[name+".map"] = mapBuf.Bytes()

				return nil
			}, fs.options, browserErrors)
			if exitCode != 0 {
				buf = browserErrors
			}
			return newFakeFile("main.js", buf.Bytes()), nil
		}
	}

	return nil, os.ErrNotExist
}

开发者ID:wmydz1，项目名称:gopherjs，代码行数:64，代码来源:tool.go

注：本文中的github.com/gopherjs/gopherjs/build.NewSession函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。