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Update server/main.go to show GopherJS errors

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This commit is contained in:
Hajime Hoshi 2015-01-06 22:24:34 +09:00
parent c98631a703
commit b769e0eb6c
1 changed files with 18 additions and 14 deletions
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32
example/server/main.go
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@ -15,8 +15,10 @@
package main package main
import ( import (
"errors"
"flag" "flag"
"fmt" "fmt"
"html/template"
"io" "io"
"io/ioutil" "io/ioutil"
"log" "log"
@ -61,8 +63,10 @@ func createJSIfNeeded(name string) (string, error) {
} }
if (err != nil && os.IsNotExist(err)) || time.Now().Sub(stat.ModTime()) > 10*time.Second { if (err != nil && os.IsNotExist(err)) || time.Now().Sub(stat.ModTime()) > 10*time.Second {
target := "github.com/hajimehoshi/ebiten/example/" + name target := "github.com/hajimehoshi/ebiten/example/" + name
if err := exec.Command("gopherjs", "build", "-o", out, target).Run(); err != nil { out, err := exec.Command("gopherjs", "build", "-o", out, target).CombinedOutput()
return "", err if err != nil {
log.Print(string(out))
return "", errors.New(string(out))
} }
} }
return out, nil return out, nil
@ -97,19 +101,22 @@ func appName(r *http.Request) (string, error) {
func serveMainJS(w http.ResponseWriter, r *http.Request) { func serveMainJS(w http.ResponseWriter, r *http.Request) {
name, err := appName(r) name, err := appName(r)
if err != nil { if err != nil {
w.WriteHeader(http.StatusBadRequest) http.Error(w, err.Error(), http.StatusBadRequest)
fmt.Fprint(w, err.Error())
return return
} }
out, err := createJSIfNeeded(name) out, err := createJSIfNeeded(name)
if err != nil { if err != nil {
w.WriteHeader(http.StatusInternalServerError) t := template.JSEscapeString(template.HTMLEscapeString(err.Error()))
fmt.Fprint(w, err.Error()) js := `
window.onload = function() {
document.body.innerHTML="<pre style='white-space: pre-wrap;'><code>` + t + `</code></pre>";
}`
w.Header().Set("Content-Type", "text/javascript")
fmt.Fprintf(w, js)
return return
} }
if err := serveFile(w, out, "text/javascript"); err != nil { if err := serveFile(w, out, "text/javascript"); err != nil {
w.WriteHeader(http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
fmt.Fprint(w, err.Error())
return return
} }
} }
@ -117,20 +124,17 @@ func serveMainJS(w http.ResponseWriter, r *http.Request) {
func serveMainJSMap(w http.ResponseWriter, r *http.Request) { func serveMainJSMap(w http.ResponseWriter, r *http.Request) {
name, err := appName(r) name, err := appName(r)
if err != nil { if err != nil {
w.WriteHeader(http.StatusBadRequest) http.Error(w, err.Error(), http.StatusInternalServerError)
fmt.Fprint(w, err.Error())
return return
} }
out, err := createJSIfNeeded(name) out, err := createJSIfNeeded(name)
if err != nil { if err != nil {
w.WriteHeader(http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
fmt.Fprint(w, err.Error())
return return
} }
out += ".map" out += ".map"
if err := serveFile(w, out, "application/octet-stream"); err != nil { if err := serveFile(w, out, "application/octet-stream"); err != nil {
w.WriteHeader(http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
fmt.Fprint(w, err.Error())
return return
} }
} }