core: hot reload for ui modules

packages/hydrooj/src/init.ts

@@ -21,7 +21,6 @@ if (!global.Hydro) {
         lib: {},
         // @ts-ignore
         ui: {
-            manifest: {},
             template: {},
         },
         // @ts-ignore

packages/hydrooj/src/interface.ts

@@ -705,7 +705,6 @@ export interface Lib extends Record<string, any> {
 
 export type UIInjectableFields = 'ProblemAdd' | 'Nav' | 'UserDropdown';
 export interface UI {
-    manifest: Dictionary<string>,
     template: Dictionary<string>,
     nodes: Record<UIInjectableFields, any[]>,
     getNodes: typeof import('./lib/ui').getNodes,

packages/hydrooj/src/loader.ts

@@ -32,18 +32,6 @@ export function addon(addonPath: string, prepend = false) {
         const name = payload.name.startsWith('@hydrooj/') ? payload.name.split('@hydrooj/')[1] : payload.name;
         global.Hydro.version[name] = payload.version;
         const modulePath = path.dirname(packagejson);
-        const publicPath = path.resolve(modulePath, 'public');
-        if (fs.existsSync(publicPath)) {
-            global.publicDirs[prepend ? 'push' : 'unshift'](publicPath);
-            const targets = fs.readdirSync(publicPath);
-            for (const target of targets) {
-                if (global.Hydro.ui.manifest[target] && !prepend) {
-                    global.Hydro.ui.manifest[target] = publicPath;
-                } else if (!global.Hydro.ui.manifest[target]) {
-                    global.Hydro.ui.manifest[target] = publicPath;
-                }
-            }
-        }
         global.addons[prepend ? 'unshift' : 'push'](modulePath);
     } catch (e) {
         logger.error(`Addon not found: ${addonPath}`);

packages/hydrooj/src/service/watcher.ts

@@ -59,14 +59,21 @@ class Watcher {
 
         this.watcher.on('change', (path) => {
             logger.debug('change detected:', relative(this.root, path));
+            bus.emit('app/watch/change', path);
 
             if (this.externals.has(path)) {
                 logger.warn('Require full reload');
             } else if (require.cache[path]) {
                 this.stashed.add(path);
+                bus.emit('app/before-reload', this.stashed);
                 triggerLocalReload();
+                bus.emit('app/reload', this.stashed);
             }
         });
+        this.watcher.on('unlink', (path) => {
+            logger.debug('change detected: ', `-${relative(this.root, path)}`);
+            bus.emit('app/watch/unlink', path);
+        });
     }
 
     stop() {
@@ -133,7 +140,6 @@ class Watcher {
     private triggerLocalReload() {
         const start = Date.now();
         this.analyzeChanges();
-        console.log(this.accepted);
 
         /** plugins pending classification */
         const pending = new Map<string, Runtime>();