ryan/via
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases 12 Wiki Activity

Use beacon (#19)

Browse Source 
Perfect. Tried with send beacon before. Dodn work for me. Because was using get instead o post.
This commit is contained in:
Jeff Winkler
2025-11-16 08:44:03 -05:00
committed by GitHub
parent e0fa5560ab
commit 2bb5d80502
1 changed files with 15 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
via.go
View File

@@ -11,6 +11,7 @@ import (
"encoding/hex" "encoding/hex"
"encoding/json" "encoding/json"
"fmt" "fmt"
"io"
"log" "log"
"net/http" "net/http"
"os" "os"
@@ -146,8 +147,11 @@ func (v *V) Page(route string, initContextFn func(c *Context)) {
} }
headElements := v.documentHeadIncludes headElements := v.documentHeadIncludes
headElements = append(headElements, h.Meta(h.Data("signals", fmt.Sprintf("{'via-ctx':'%s'}", id)))) headElements = append(headElements, h.Meta(h.Data("signals", fmt.Sprintf("{'via-ctx':'%s'}", id))))
headElements = append(headElements, h.Meta(h.Data("init", `window.addEventListener('beforeunload', (evt) => { unloadJS := fmt.Sprintf(`
evt.preventDefault(); evt.returnValue = ''; @get('/_session/close'); return ''; })`))) window.addEventListener('beforeunload', (evt) => {
navigator.sendBeacon('/_session/close', '%s');
});`, c.id)
headElements = append(headElements, h.Meta(h.Data("init", unloadJS)))
headElements = append(headElements, h.Meta(h.Data("init", "@get('/_sse')"))) headElements = append(headElements, h.Meta(h.Data("init", "@get('/_sse')")))
bottomBodyElements := []h.H{c.view()} bottomBodyElements := []h.H{c.view()}
bottomBodyElements = append(bottomBodyElements, v.documentFootIncludes...) bottomBodyElements = append(bottomBodyElements, v.documentFootIncludes...)
@@ -394,10 +398,15 @@ func New() *V {
actionFn() actionFn()
}) })
v.mux.HandleFunc("GET /_session/close", func(w http.ResponseWriter, r *http.Request) { v.mux.HandleFunc("POST /_session/close", func(w http.ResponseWriter, r *http.Request) {
var sigs map[string]any body, err := io.ReadAll(r.Body)
_ = datastar.ReadSignals(r, &sigs) if err != nil {
cID, _ := sigs["via-ctx"].(string) log.Printf("Error reading body: %v", err)
w.WriteHeader(http.StatusBadRequest)
return
}
defer r.Body.Close()
cID := string(body)
c, err := v.getCtx(cID) c, err := v.getCtx(cID)
if err != nil { if err != nil {
v.logErr(c, "failed to handle session close: %v", err) v.logErr(c, "failed to handle session close: %v", err)