mteehan
5135de0921
- lib/system_import: new module to import system configs into JSON at daemon startup - daemon/server.py: call import_all() during startup for config reconciliation - daemon/handlers/nginx.py: simplify add_domain auth handling, remove duplicate code - scripts/install.sh: replace inline Python setup with curl-based daemon API calls; apply IP forwarding at runtime - hoover: bump internal asset versions to v=8 - pages: bump asset versions to v=9
119 lines
3.1 KiB
JavaScript
119 lines
3.1 KiB
JavaScript
/**
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* Hoover — component.js
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*
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* Component wrapper: definePage, lifecycle hooks, state caching.
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*
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* definePage wraps a page definition into a renderer function compatible
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* with hoover's render engine. Handles reactive state creation and
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* lifecycle management. Data loading is handled by the model layer.
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*
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* Usage:
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* export default definePage({
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* init() { return { firewall: getModel('firewall') }; },
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* async load(state) { ... }, // optional, for one-time setup
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* render(state) { return [vnodes],
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* });
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*/
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import { reactive } from './reactivity.js?v=8';
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import { h } from './vdom.js?v=8';
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import { _compExpandedCache } from './render.js?v=8';
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/** Registry of mounted components: key → { state } */
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const _mounted = new Map();
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/**
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* Define a page component.
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*
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* @param {object} def — Page definition
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* @param {function} def.init — Return initial state object
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* @param {function} [def.load] — Optional one-time setup called on mount
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* @param {function} def.render — Render function that returns vnodes
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* @returns {object} — Component renderer compatible with h('#comp', ...)
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*/
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export function definePage(def) {
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let state = null;
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let stateInitialized = false;
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const renderer = () => {
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if (!stateInitialized) {
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state = reactive(def.init());
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stateInitialized = true;
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}
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return def.render(state);
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};
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renderer._pageDef = {
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get state() {
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if (!stateInitialized) {
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state = reactive(def.init());
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stateInitialized = true;
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}
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return state;
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},
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load: def.load || null,
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onUnmount: def.onUnmount || null,
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};
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return renderer;
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}
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/**
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* Mount a page component. Called by the render engine when a #comp vnode
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* enters the tree for the first time.
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*/
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export function mountComponent(key, renderer) {
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const pd = renderer._pageDef;
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if (!pd) return;
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let entry = _mounted.get(key);
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if (entry) {
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// Re-mount: component already exists with its state.
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// Don't re-run load — that re-render was triggered by a reactive update.
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return;
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}
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entry = { state: pd.state };
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_mounted.set(key, entry);
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pd.state.error = null;
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if (pd.load) {
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Promise.resolve().then(() => pd.load(pd.state));
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}
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}
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/**
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* Unmount a page component. Called by the render engine when a #comp vnode
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* is removed from the tree.
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*/
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export function unmountComponent(key, renderer) {
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const entry = _mounted.get(key);
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if (!entry) return;
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const pd = renderer._pageDef;
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if (pd.onUnmount) {
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try { pd.onUnmount(entry.state); } catch (_) {}
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}
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_compExpandedCache.delete(key);
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_mounted.delete(key);
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}
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/**
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* Get the state of a mounted component.
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*/
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export function getComponentState(key) {
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const entry = _mounted.get(key);
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return entry ? entry.state : null;
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}
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/**
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* Create a component vnode that the render engine will wire up to lifecycle.
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*/
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export function hComp(renderer, key) {
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return h('#comp', { component: renderer, key }, []);
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}
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