feat: enhance fetch commands to include response status and error handling

Author: io-eric

schema.def

@@ -173,8 +173,8 @@ websocket|command|CLOSE|close|handle(WebSocket):handle|{ const ws = websockets[h
 # ------------------------------------------------------------------------------
 fetch|event|SUCCESS|handle(FetchRequest):id string:data
 fetch|event|ERROR|handle(FetchRequest):id string:error
-fetch|command|GET|get|string:url RET:handle(FetchRequest)|{ const id = (window.webcc_next_id = (window.webcc_next_id || 0) + 1); fetch(url).then(r => { if(!r.ok) throw new Error(r.status + ' ' + r.statusText); return r.text(); }).then(d => push_event_fetch_SUCCESS(id, d)).catch(e => push_event_fetch_ERROR(id, e.toString())); return id; }
-fetch|command|POST|post|string:url string:body RET:handle(FetchRequest)|{ const id = (window.webcc_next_id = (window.webcc_next_id || 0) + 1); fetch(url, { method: 'POST', body: body }).then(r => { if(!r.ok) throw new Error(r.status + ' ' + r.statusText); return r.text(); }).then(d => push_event_fetch_SUCCESS(id, d)).catch(e => push_event_fetch_ERROR(id, e.toString())); return id; }
+fetch|command|GET|get|string:url RET:handle(FetchRequest)|{ const id = (window.webcc_next_id = (window.webcc_next_id || 0) + 1); fetch(url).then(r => r.text().then(d => ({ ok: r.ok, status: r.status, statusText: r.statusText, data: d }))).then(res => { if(res.ok) push_event_fetch_SUCCESS(id, res.data); else push_event_fetch_ERROR(id, res.data && res.data.length ? res.data : (res.status + ' ' + res.statusText)); }).catch(e => push_event_fetch_ERROR(id, e.toString())); return id; }
+fetch|command|POST|post|string:url string:body RET:handle(FetchRequest)|{ const id = (window.webcc_next_id = (window.webcc_next_id || 0) + 1); fetch(url, { method: 'POST', body: body }).then(r => r.text().then(d => ({ ok: r.ok, status: r.status, statusText: r.statusText, data: d }))).then(res => { if(res.ok) push_event_fetch_SUCCESS(id, res.data); else push_event_fetch_ERROR(id, res.data && res.data.length ? res.data : (res.status + ' ' + res.statusText)); }).catch(e => push_event_fetch_ERROR(id, e.toString())); return id; }
 
 # ------------------------------------------------------------------------------
 # IMAGES