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* Recursively clones an object and strips non-cloneable elements
* (like functions, circular references, and DOM nodes).
* @param {*} val - The value to sanitize.
* @param {WeakSet<object>} [seen] - WeakSet tracking visited objects to prevent circular loops.
* @returns {*} The safe clone.
*/
export function serializeSafe(val, seen = new WeakSet()) {
if (val === null || typeof val !== 'object') {
if (typeof val === 'function') {
return '[Function]';
}
return val;
}
// Handle DOM elements and window references
if (typeof window !== 'undefined' && ((typeof Node !== 'undefined' && val instanceof Node) || val === window)) {
return `[DOM Element: ${val.nodeName || 'Window'}]`;
}
if (seen.has(val)) {
return '[Circular]';
}
if (Array.isArray(val)) {
seen.add(val);
const res = val.map(item => serializeSafe(item, seen));
seen.delete(val);
return res;
}
// Use toJSON if available
if (typeof val.toJSON === 'function') {
try {
return val.toJSON();
} catch {
// Ignored fallback
}
}
seen.add(val);
const res = {};
for (const [key, value] of Object.entries(val)) {
if (typeof value === 'function') {
res[key] = '[Function]';
} else if (key.startsWith('__')) {
res[key] = '[Internal]';
} else {
res[key] = serializeSafe(value, seen);
}
}
seen.delete(val);
return res;
}
/**
* Collects all active component instances and application registration metadata.
* @param {object} app - The AvenxApp instance.
* @returns {object} Inspector data payload.
*/
function getInspectorData(app) {
const activeComponents = [];
if (typeof document !== 'undefined') {
const elements = document.querySelectorAll('[data-avenx-comp], [data-avenx-comp-dynamic]');
elements.forEach((el) => {
if (el.__avenx_comp_instance) {
const comp = el.__avenx_comp_instance;
activeComponents.push({
name: comp.constructor.name,
state: comp.state || {},
props: comp.props || {},
});
}
});
}
const registeredBridges = {};
for (const [name, bridge] of Object.entries(app.bridges || {})) {
registeredBridges[name] = bridge;
}
const registeredComponents = app.components ? Array.from(app.components.keys()) : [];
const registeredPages = app.pages ? Array.from(app.pages.keys()) : [];
const routes = app.router ? app.router.routes : {};
const currentRoute = app.router ? app.router.currentRoute : null;
return serializeSafe({
activeComponents,
registeredBridges,
registeredComponents,
registeredPages,
routes,
currentRoute,
});
}
/**
* Initializes the inspector for an AvenxApp.
* @param {object} app - The AvenxApp instance.
*/
export function initInspector(app) {
if (typeof window === 'undefined' || !window.__avenx_inspect_enabled || typeof globalThis.BroadcastChannel === 'undefined') {
return;
}
const channel = new globalThis.BroadcastChannel('avenx-inspector-channel');
const broadcast = () => {
try {
channel.postMessage({
type: 'inspect-data',
data: getInspectorData(app),
});
} catch (err) {
// Gracefully catch any remaining clone/postMessage errors
console.warn('[Avenx Inspector] Failed to broadcast state:', err);
}
};
channel.onmessage = (event) => {
if (event.data === 'request-inspect-data') {
broadcast();
}
};
// Automatically broadcast on page transitions or component lifecycles/updates.
const originalUpdateAll = app.updateAll;
app.updateAll = function (...args) {
const res = originalUpdateAll.apply(this, args);
broadcast();
return res;
};
const originalMountPage = app.mountPage;
app.mountPage = function (...args) {
const res = originalMountPage.apply(this, args);
broadcast();
return res;
};
// Intercept component lifecycles using capturing phase listeners (since they don't bubble)
window.addEventListener('avenx:update', () => broadcast(), true);
window.addEventListener('avenx:mount', () => broadcast(), true);
window.addEventListener('avenx:unmount', () => broadcast(), true);
}
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