Add jsgo.io example

vendor/github.com/pkg/browser/LICENSE

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+Copyright (c) 2014, Dave Cheney <dave@cheney.net>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/github.com/pkg/browser/README.md

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+
+# browser
+    import "github.com/pkg/browser"
+
+Package browser provides helpers to open files, readers, and urls in a browser window.
+
+The choice of which browser is started is entirely client dependant.
+
+
+
+
+
+## Variables
+``` go
+var Stderr io.Writer = os.Stderr
+```
+Stderr is the io.Writer to which executed commands write standard error.
+
+``` go
+var Stdout io.Writer = os.Stdout
+```
+Stdout is the io.Writer to which executed commands write standard output.
+
+
+## func OpenFile
+``` go
+func OpenFile(path string) error
+```
+OpenFile opens new browser window for the file path.
+
+
+## func OpenReader
+``` go
+func OpenReader(r io.Reader) error
+```
+OpenReader consumes the contents of r and presents the
+results in a new browser window.
+
+
+## func OpenURL
+``` go
+func OpenURL(url string) error
+```
+OpenURL opens a new browser window pointing to url.
+
+
+
+
+
+
+
+
+
+- - -
+Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)

vendor/github.com/pkg/browser/browser.go

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+// Package browser provides helpers to open files, readers, and urls in a browser window.
+//
+// The choice of which browser is started is entirely client dependant.
+package browser
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
+// Stdout is the io.Writer to which executed commands write standard output.
+var Stdout io.Writer = os.Stdout
+
+// Stderr is the io.Writer to which executed commands write standard error.
+var Stderr io.Writer = os.Stderr
+
+// OpenFile opens new browser window for the file path.
+func OpenFile(path string) error {
+	path, err := filepath.Abs(path)
+	if err != nil {
+		return err
+	}
+	return OpenURL("file://" + path)
+}
+
+// OpenReader consumes the contents of r and presents the
+// results in a new browser window.
+func OpenReader(r io.Reader) error {
+	f, err := ioutil.TempFile("", "browser")
+	if err != nil {
+		return fmt.Errorf("browser: could not create temporary file: %v", err)
+	}
+	if _, err := io.Copy(f, r); err != nil {
+		f.Close()
+		return fmt.Errorf("browser: caching temporary file failed: %v", err)
+	}
+	if err := f.Close(); err != nil {
+		return fmt.Errorf("browser: caching temporary file failed: %v", err)
+	}
+	oldname := f.Name()
+	newname := oldname + ".html"
+	if err := os.Rename(oldname, newname); err != nil {
+		return fmt.Errorf("browser: renaming temporary file failed: %v", err)
+	}
+	return OpenFile(newname)
+}
+
+// OpenURL opens a new browser window pointing to url.
+func OpenURL(url string) error {
+	return openBrowser(url)
+}
+
+func runCmd(prog string, args ...string) error {
+	cmd := exec.Command(prog, args...)
+	cmd.Stdout = Stdout
+	cmd.Stderr = Stderr
+	return cmd.Run()
+}

vendor/github.com/pkg/browser/browser_darwin.go

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+package browser
+
+func openBrowser(url string) error {
+	return runCmd("open", url)
+}

vendor/github.com/pkg/browser/browser_linux.go

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+package browser
+
+func openBrowser(url string) error {
+	return runCmd("xdg-open", url)
+}

vendor/github.com/pkg/browser/browser_openbsd.go

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+package browser
+
+import (
+	"errors"
+	"os/exec"
+)
+
+func openBrowser(url string) error {
+	err := runCmd("xdg-open", url)
+	if e, ok := err.(*exec.Error); ok && e.Err == exec.ErrNotFound {
+		return errors.New("xdg-open: command not found - install xdg-utils from ports(8)")
+	}
+	return err
+}

vendor/github.com/pkg/browser/browser_unsupported.go

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+// +build !linux,!windows,!darwin,!openbsd
+
+package browser
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func openBrowser(url string) error {
+	return fmt.Errorf("openBrowser: unsupported operating system: %v", runtime.GOOS)
+}

vendor/github.com/pkg/browser/browser_windows.go

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+package browser
+
+import (
+	"strings"
+)
+
+func openBrowser(url string) error {
+	r := strings.NewReplacer("&", "^&")
+	return runCmd("cmd", "/c", "start", r.Replace(url))
+}