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fix(plugins): JSON-serialize CallFunctionJSON return values + backward compat Lua args 

Root cause: CallFunctionJSON used .String() on Lua return values, which
for tables produces 'table: 0x...' — not valid JSON. Frontend does
JSON.parse() on the result and silently caught the parse error.

Fix:
- runtime.go: convert Lua return value to JSON via luaValueToGo +
  json.Marshal so tables become proper JSON arrays/objects
- main.lua: add backward compat in get_events() and update_event()
  to accept both positional args (start, end) and table params
- CalendarPluginPage.svelte: show errors in UI instead of silent catch;
  restructure template to always show iframe + error overlay
This commit is contained in:
mirivlad 2026-06-08 11:31:18 +08:00
parent fddbd3a98a
commit f769daa617
9 changed files with 61 additions and 25 deletions
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1
cmd/verstak-gui/frontend-dist/assets/main-B1PBee3I.css Normal file
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5
cmd/verstak-gui/frontend-dist/assets/main-BZoJ6Hxg.js Normal file
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1
cmd/verstak-gui/frontend-dist/assets/main-BdKe9T_7.css
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5
cmd/verstak-gui/frontend-dist/assets/main-Ch0NvF0Q.js
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4
cmd/verstak-gui/frontend-dist/index.html
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@ -19,8 +19,8 @@
background: #13131f;
}
</style>
<script type="module" crossorigin src="/assets/main-Ch0NvF0Q.js"></script>
<link rel="stylesheet" crossorigin href="/assets/main-BdKe9T_7.css">
<script type="module" crossorigin src="/assets/main-BZoJ6Hxg.js"></script>
<link rel="stylesheet" crossorigin href="/assets/main-B1PBee3I.css">
</head>
<body>
<div id="app"></div>

18
contrib/plugins/calendar/main.lua
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@ -143,9 +143,13 @@ end
--------------------------------------------------------------------------------
-- Get events within a date range (inclusive)
function M.get_events(params)
function M.get_events(params, end_date)
-- Backward compat: support positional (start, end) and table {start=, end=}
if type(params) == "string" then
return M.get_events{ start_date = params, ["end"] = end_date or params }
end
local start_date = params.start_date or params.start
local end_date = params.end_date or params["end"] or params.end_date
local end_date = params["end"] or params.end_date or params.end_date
if not start_date then error("start_date required") end
if not end_date then end_date = start_date end
return verstak.db.query(
@ -244,7 +248,15 @@ function M.create_event(opts)
end
-- Update an event (partial fields)
function M.update_event(params)
function M.update_event(params, fields)
-- Backward compat: support positional (id, fields) and table { id = ..., ... }
if type(params) == "string" then
local t = { id = params }
if fields then
for k, v in pairs(fields) do t[k] = v end
end
return M.update_event(t)
end
local id = params.id
if not id then error("event id required") end
local old = verstak.db.query_row("SELECT * FROM events WHERE id = ?", id)

30
frontend/src/lib/CalendarPluginPage.svelte
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@ -107,6 +107,7 @@
})
} catch (e) {
console.error('[CalendarPluginPage] loadCalendarData:', e)
error = String(e)
}
}
@ -206,9 +207,16 @@
<div class="plugin-page">
{#if loading}
<p class="loading">Загрузка…</p>
{:else if error}
<p class="error">⚠ {error}</p>
{:else if htmlPanel}
{:else if !htmlPanel}
<div class="empty-state">
<p>Плагин «{pluginName}» активен, но HTML-панель не настроена.</p>
<p class="hint">Для отображения контента добавьте поле <code>panel</code> в <code>plugin.json</code>.</p>
</div>
{:else}
<div class="plugin-frame-container">
{#if error}
<div class="plugin-error-bar">⚠ {error}</div>
{/if}
<iframe
bind:this={iframeEl}
class="plugin-frame"
@ -216,10 +224,6 @@
sandbox="allow-scripts allow-same-origin"
title="{pluginName} panel"
></iframe>
{:else}
<div class="empty-state">
<p>Плагин «{pluginName}» активен, но HTML-панель не настроена.</p>
<p class="hint">Для отображения контента добавьте поле <code>panel</code> в <code>plugin.json</code>.</p>
</div>
{/if}
</div>
@ -232,5 +236,17 @@
.error { color: #f87171; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-dim, #888); }
.empty-state code { background: var(--surface-alt, #252538); padding: 0.15rem 0.4rem; border-radius: 3px; font-size: 0.85rem; }
.plugin-frame-container { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.plugin-error-bar {
padding: 0.5rem 1rem;
background: rgba(248, 113, 113, 0.12);
border: 1px solid #f87171;
border-bottom: none;
border-radius: 8px 8px 0 0;
color: #f87171;
font-size: 0.85rem;
flex-shrink: 0;
}
.plugin-frame { flex: 1; border: 1px solid var(--border, #2a2a3e); border-radius: 8px; background: #fff; width: 100%; min-height: 400px; display: block; }
.plugin-frame-container .plugin-frame { border-radius: 0 0 8px 8px; border-top: none; }
</style>

10
internal/core/plugins/runtime.go
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@ -255,7 +255,15 @@ func (vm *LuaVM) CallFunctionJSON(segments []string, paramsJSON string) (string,
if err != nil {
return "", err
}
return ret.String(), nil
// Convert Lua return value to JSON for the frontend.
// Lua tables (from db.query, etc.) return "table: 0x..." via .String() —
// the frontend always expects valid JSON for JSON.parse().
goVal := luaValueToGo(ret)
jsonBytes, marshalErr := json.Marshal(goVal)
if marshalErr != nil {
return "", fmt.Errorf("failed to marshal return value: %w", marshalErr)
}
return string(jsonBytes), nil
}
// LState returns the underlying lua.LState (for table creation outside CallFunctionJSON).

4
internal/core/plugins/security_test.go
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@ -1569,8 +1569,8 @@ end
if err != nil {
t.Fatalf("CallFunctionJSON: %v", err)
}
if result != "hello:42" {
t.Errorf("echo_json = %q, want %q", result, "hello:42")
if result != `"hello:42"` {
t.Errorf("echo_json = %q, want %q", result, `"hello:42"`)
}
// Test with JSON array