90a3d9e5a5
- Add ConnectionIndicator component showing green/red dot - Send lastPing signal every 15 seconds via SSE - Indicator turns red if no ping received in 20 seconds - Gives users confidence the live connection is active
29 lines
704 B
Go
29 lines
704 B
Go
// Package sse provides helpers for SSE signal handling.
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package sse
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import (
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"encoding/json"
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"time"
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"github.com/starfederation/datastar-go/datastar"
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)
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// Signals holds client-side state managed via SSE.
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type Signals struct {
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LastPing int64 `json:"lastPing,omitempty"`
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}
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// SendPing sends a heartbeat signal with the current timestamp.
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func SendPing(sse *datastar.ServerSentEventGenerator) error {
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return PatchSignals(sse, Signals{LastPing: time.Now().UnixMilli()})
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}
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// PatchSignals sends a signals patch to the client.
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func PatchSignals(sse *datastar.ServerSentEventGenerator, s Signals) error {
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data, err := json.Marshal(s)
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if err != nil {
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return err
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}
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return sse.PatchSignals(data)
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}
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