fix(support-chat): support legacy mobile browsers

2026-08-30 12:29:22 +08:00
parent 12c7060dbe
commit 46144ef63a
8 changed files with 302 additions and 101 deletions
@@ -116,6 +116,7 @@ func TestSupportChatUsesRealtimeUIWithoutMessagePolling(t *testing.T) {
 		"你可以继续留言",
 		"等待期间可以继续留言",
 		`String(event.type || "").startsWith("conversation.")`,
+		`image.addEventListener("error"`,
 	} {
 		if !strings.Contains(source, marker) {
 			t.Fatalf("support chat queue flow does not contain %q", marker)
@@ -129,6 +130,54 @@ func TestSupportChatUsesRealtimeUIWithoutMessagePolling(t *testing.T) {
 	}
 }

+func TestSupportChatKeepsOlderMobileWebViewsCompatible(t *testing.T) {
+	script, err := assets.ReadFile("assets/chat.js")
+	if err != nil {
+		t.Fatalf("read support chat script: %v", err)
+	}
+	source := string(script)
+	for _, forbidden := range []string{
+		"?.",
+		"??",
+		"||=",
+		".at(",
+		".flat(",
+		".replaceAll(",
+		".replaceChildren(",
+	} {
+		if strings.Contains(source, forbidden) {
+			t.Fatalf("support chat must not require newer mobile JavaScript API or syntax %q", forbidden)
+		}
+	}
+	for _, marker := range []string{
+		"function lastItem",
+		"function replaceChildrenCompat",
+		`window.crypto && window.crypto.randomUUID`,
+		`Array.from(map.values())`,
+	} {
+		if !strings.Contains(source, marker) {
+			t.Fatalf("support chat compatibility flow does not contain %q", marker)
+		}
+	}
+
+	stylesheet, err := assets.ReadFile("assets/chat.css")
+	if err != nil {
+		t.Fatalf("read support chat stylesheet: %v", err)
+	}
+	css := string(stylesheet)
+	for _, fallback := range []string{
+		`background: linear-gradient(145deg, #3c80fb, #4c66ea);`,
+		`background: linear-gradient(135deg, #397ffb, #5368ed);`,
+		`background: #eaf2ff;`,
+		`top: 0; right: 0; bottom: 0; left: 0; inset: 0;`,
+		`width: 100%; max-width: 360px; width: min(100%, 360px);`,
+	} {
+		if !strings.Contains(css, fallback) {
+			t.Fatalf("support chat stylesheet does not contain older mobile fallback %q", fallback)
+		}
+	}
+}
+
 func TestSupportChatStagesUploadsUntilExplicitSend(t *testing.T) {
 	script, err := assets.ReadFile("assets/chat.js")
 	if err != nil {