resuma 0.4.7

Resuma — resumable SSR Rust web framework: zero hydration, islands, server actions, Flow (Axum).
Documentation 
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//! Helpers for emitting / parsing the resumability payload.

use super::context::ResumePayload;

/// Serialize a `ResumePayload` to a compact JSON blob suitable for inlining
/// in `<script type="resuma/state">`.
///
/// Escapes `<`, `>`, `&`, and Unicode line separators so user-controlled signal
/// data cannot break out of the script block (XSS).
pub fn encode_payload(payload: &ResumePayload) -> String {
    let raw = serde_json::to_string(payload).unwrap_or_else(|_| "{}".into());
    sanitize_json_for_script(&raw)
}

/// Prevent `</script>` and HTML injection from serialized JSON embedded in HTML.
pub fn sanitize_json_for_script(json: &str) -> String {
    json.replace('<', "\\u003c")
        .replace('>', "\\u003e")
        .replace('&', "\\u0026")
        .replace('\u{2028}', "\\u2028")
        .replace('\u{2029}', "\\u2029")
}