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[web_server] Add legacy_id to SSE events for third-party integration compatibility

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This commit is contained in:
J. Nick Koston
2026-01-23 08:18:24 -10:00
parent cfb61bc50a
commit d67e9d0926
1 changed files with 11 additions and 0 deletions
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11
esphome/components/web_server/web_server.cpp
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@@ -533,6 +533,17 @@ static void set_json_id(JsonObject &root, EntityBase *obj, const char *prefix, J
root[ESPHOME_F("id")] = id_buf;
// Add legacy_id for backward compatibility with third-party integrations
// Old format: {prefix}-{object_id} (e.g., "cover-garage_door")
// Remove before 2026.7.0 when object_id support is fully removed
char legacy_buf[ESPHOME_DOMAIN_MAX_LEN + 1 + OBJECT_ID_MAX_LEN];
char *lp = legacy_buf;
memcpy(lp, prefix, prefix_len);
lp += prefix_len;
*lp++ = '-';
obj->write_object_id_to(lp, sizeof(legacy_buf) - (lp - legacy_buf));
root[ESPHOME_F("legacy_id")] = legacy_buf;
if (start_config == DETAIL_ALL) {
root[ESPHOME_F("domain")] = prefix;
root[ESPHOME_F("name")] = name;