ui: optimize: debounced reload

install/install.ts

@@ -86,12 +86,12 @@ let migration;
 let retry = 0;
 log.info('install.start');
 const defaultDict = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
-String.random = function random(digit = 32, dict = defaultDict) {
+function randomstring(digit = 32, dict = defaultDict) {
     let str = '';
     for (let i = 1; i <= digit; i++) str += dict[Math.floor(Math.random() * dict.length)];
     return str;
-};
-let DATABASE_PASSWORD = String.random(32);
+}
+let password = randomstring(32);
 // TODO read from args
 const CN = true;
 
@@ -128,9 +128,14 @@ function removeOptionalEsbuildDeps() {
     data.resolutions = data.resolutions || {};
     Object.assign(data.resolutions, Object.fromEntries([
         '@esbuild/linux-loong64',
-        ...['android', 'windows', 'darwin', 'freebsd'].flatMap((i) => [`${i}-64`, `${i}-arm64`, `${i}-32`]),
-        ...['32', 'arm', 'mips64', 'ppc64', 'riscv64', 's390x'].map((i) => `esbuild-linux-${i}`),
-        ...['netbsd', 'openbsd', 'sunos'].map((i) => `esbuild-${i}-64`),
+        'esbuild-windows-32',
+        ...['android', 'darwin', 'freebsd', 'windows']
+            .flatMap((i) => [`${i}-64`, `${i}-arm64`])
+            .map((i) => `esbuild-${i}`),
+        ...['32', 'arm', 'mips64', 'ppc64', 'riscv64', 's390x']
+            .map((i) => `esbuild-linux-${i}`),
+        ...['netbsd', 'openbsd', 'sunos']
+            .map((i) => `esbuild-${i}-64`),
     ].map((i) => [i, 'link:/dev/null'])));
     exec(`mkdir -p ${yarnGlobalPath}`);
     writeFileSync(pkgjson, JSON.stringify(data, null, 2));
@@ -195,7 +200,7 @@ const steps = [
             () => sleep(3000),
             () => writeFileSync('/tmp/createUser.js', `db.createUser(${JSON.stringify({
                 user: 'hydro',
-                pwd: DATABASE_PASSWORD,
+                pwd: password,
                 roles: [{ role: 'readWrite', db: 'hydro' }],
             })})`),
             ['mongo 127.0.0.1:27017/hydro /tmp/createUser.js', { retry: true }],
@@ -204,7 +209,7 @@ const steps = [
                 port: 27017,
                 name: 'hydro',
                 username: 'hydro',
-                password: DATABASE_PASSWORD,
+                password,
             })),
             'pm2 stop mongod',
             'pm2 del mongod',
@@ -250,10 +255,10 @@ const steps = [
         init: 'install.done',
         operations: [
             () => {
-                DATABASE_PASSWORD = require(`${process.env.HOME}/.hydro/config.json`).password;
+                password = require(`${process.env.HOME}/.hydro/config.json`).password;
             },
             () => log.info('extra.dbUser'),
-            () => log.info('extra.dbPassword', DATABASE_PASSWORD),
+            () => log.info('extra.dbPassword', password),
         ],
     },
 ];

packages/hydrooj/package.json

@@ -49,7 +49,8 @@
         "semver": "^7.3.7",
         "serialize-javascript": "^6.0.0",
         "superagent": "^8.0.0",
-        "thirty-two": "^1.0.2"
+        "thirty-two": "^1.0.2",
+        "ws": "^8.9.0"
     },
     "devDependencies": {
         "@types/adm-zip": "^0.4.34",

packages/hydrooj/src/loader.ts

@@ -38,8 +38,7 @@ export function resolveConfig(plugin: any, config: any) {
 Context.service('loader');
 
 export class Loader {
-    static readonly kUpdate = Symbol.for('koishi.loader.update');
-    static readonly kRecord = Symbol.for('koishi.loader.record');
+    static readonly Record = Symbol.for('loader.record');
 
     public app: Context;
     public config: Context.Config;
@@ -47,19 +46,18 @@ export class Loader {
     public cache: Record<string, string> = Object.create(null);
 
     unloadPlugin(ctx: Context, key: string) {
-        const fork = ctx.state[Loader.kRecord][key];
+        const fork = ctx.state[Loader.Record][key];
         if (fork) {
             fork.dispose();
-            delete ctx.state[Loader.kRecord][key];
+            delete ctx.state[Loader.Record][key];
             logger.info('unload plugin %c', key);
         }
     }
 
     async reloadPlugin(parent: Context, key: string, config: any, asName = '') {
-        let fork = parent.state[Loader.kRecord]?.[key];
+        let fork = parent.state[Loader.Record]?.[key];
         if (fork) {
             logger.info('reload plugin %c', key);
-            fork[Loader.kUpdate] = true;
             fork.update(config);
         } else {
             logger.info('apply plugin %c', key);
@@ -70,8 +68,8 @@ export class Loader {
             // fork = parent.plugin(plugin, this.interpolate(config));
             fork = parent.plugin(plugin, config);
             if (!fork) return;
-            parent.state[Loader.kRecord] ||= Object.create(null);
-            parent.state[Loader.kRecord][key] = fork;
+            parent.state[Loader.Record] ||= Object.create(null);
+            parent.state[Loader.Record][key] = fork;
         }
         return fork;
     }
@@ -121,7 +119,7 @@ Context.service('loader');
 const loader = new Loader();
 app.loader = loader;
 loader.app = app;
-app.state[Loader.kRecord] = Object.create(null);
+app.state[Loader.Record] = Object.create(null);
 
 export async function load() {
     addon(path.resolve(__dirname, '..'), true);

packages/hydrooj/src/service/watcher.ts

@@ -49,7 +49,7 @@ export default class Watcher extends Service {
         if (process.env.WATCH_ROOT) roots.push(process.env.WATCH_ROOT);
         this.watcher = watch(roots, {
             ...this.config,
-            ignored: ['node_modules', '.git', 'logs', '.cache']
+            ignored: ['node_modules', '.git', 'logs', '.cache', '.yarn']
                 .map((i) => `**/${i}/**`).concat('**/tsconfig.tsbuildinfo'),
         });
         logger.info(`Start watching changes in ${this.root}`);

packages/ui-default/handler.ts

@@ -13,6 +13,7 @@ import user from 'hydrooj/src/model/user';
 import { UiContextBase } from 'hydrooj/src/service/layers/base';
 import { Handler } from 'hydrooj/src/service/server';
 import { SystemSettings } from 'hydrooj/src/settings';
+import { debounce } from 'lodash';
 import { ObjectID } from 'mongodb';
 import { tmpdir } from 'os';
 import { join, resolve } from 'path';
@@ -239,14 +240,13 @@ export function apply(ctx) {
   ctx.on('app/started', buildUI);
   ctx.on('app/started', updateLogo);
   ctx.on('system/setting', updateLogo);
-  ctx.on('app/watch/change', (path) => {
+  const debouncedBuildUI = debounce(buildUI, 1000);
+  const triggerHotUpdate = (path) => {
     if (!path.includes('/ui-default/') && !path.includes('/public/')) return;
-    buildUI();
-  });
-  ctx.on('app/watch/unlink', (path) => {
-    if (!path.includes('/ui-default/') && !path.includes('/public/')) return;
-    buildUI();
-  });
+    debouncedBuildUI();
+  };
+  ctx.on('app/watch/change', triggerHotUpdate);
+  ctx.on('app/watch/unlink', triggerHotUpdate);
   buildUI();
   updateLogo();
 }