ui: lazyload api

packages/ui-default/api.ts

@@ -16,38 +16,10 @@ export { default as React } from 'react';
 export { default as ReactDOM } from 'react-dom/client';
 export * from './misc/Page';
 export { initPageLoader } from './hydro';
+export * from './lazyload';
+import { load } from './lazyload';
 
-const lazyModules = {};
-const features = {};
-export default async function load(name: string) {
-  if (window.node_modules[name]) return window.node_modules[name];
-  if (name === 'echarts') return import('echarts');
-  if (name === 'moment') return import('moment');
-  if (!window.lazyloadMetadata?.[`${name}.lazy.js`]) throw new Error(`Module ${name} not found`);
-  if (lazyModules[name]) return lazyModules[name];
-  const tag = document.createElement('script');
-  tag.src = `/lazy/${window.lazyloadMetadata[`${name}.lazy.js`]}/${name}.lazy.js`;
-  lazyModules[name] = new Promise((resolve, reject) => {
-    tag.onerror = reject;
-    const timeout = setTimeout(reject, 30000);
-    window.lazyModuleResolver[name] = (item) => {
-      clearTimeout(timeout);
-      resolve(item);
-    };
-  });
-  document.body.appendChild(tag);
-  return lazyModules[name];
-}
-export async function getFeatures(name: string) {
-  const legacy = Object.keys(window.externalModules).filter((i) => i === name || i.startsWith(`${name}@`));
-  const c = Object.keys(features).filter((i) => i === name || i.startsWith(`${name}@`));
-  return legacy.concat(c);
-}
-
-export function provideFeature(name: string, content: string) {
-  features[name] = content;
-}
-
+export default load;
 export interface EventMap { }
 
 import AutoComplete from './components/autocomplete';
@@ -57,7 +29,7 @@ import ProblemSelectAutoComplete from './components/autocomplete/ProblemSelectAu
 import UserSelectAutoComplete from './components/autocomplete/UserSelectAutoComplete';
 
 export {
-  load, AutoComplete, UserSelectAutoComplete, ProblemSelectAutoComplete, DomainSelectAutoComplete, CustomSelectAutoComplete,
+  AutoComplete, UserSelectAutoComplete, ProblemSelectAutoComplete, DomainSelectAutoComplete, CustomSelectAutoComplete,
 };
 export function addPage(page: import('./misc/Page').Page | (() => Promise<void> | void)) {
   window.Hydro.extraPages.push(page);
@@ -82,7 +54,7 @@ import ReactDOM from 'react-dom/client';
 import * as redux from 'react-redux';
 
 const modules = {
-  _, $, React, redux, ReactDOM, load,
+  _, $, React, redux, ReactDOM,
 };
 
 declare global {

packages/ui-default/components/monaco/loader.ts

@@ -1,4 +1,4 @@
-import { load as loadModule } from '@hydrooj/ui-default';
+import { getFeatures, load as loadModule } from '../../lazyload';
 
 let loaded;
 
@@ -35,9 +35,10 @@ const loaders = {
   typescript: () => import('./languages/typescript'),
   yaml: () => import('./languages/yaml'),
   external: async (monaco, feat) => {
-    const items = Object.keys(window.externalModules).filter((i) => i === `monaco-${feat}` || i.startsWith(`monaco-${feat}@`));
-    for (const item of items) {
-      let apply = (item.startsWith('http') || item.startsWith('/'))
+    for (const item of await getFeatures(`monaco-${feat}`)) {
+      let apply = typeof item === 'function'
+        ? item
+        : (item.startsWith('http') || item.startsWith('/'))
           ? await legacyLoadExternalModule(window.externalModules[item])
           : (await loadModule(item)).apply;
       if (typeof apply !== 'function') apply = apply.default || apply.apply;
@@ -65,7 +66,7 @@ export async function load(features = ['markdown']) {
   for (const feat of features) {
     if (loaded.includes(feat)) continue;
     if (!loaders[feat]) {
-      const items = Object.keys(window.externalModules).filter((i) => i === `monaco-${feat}` || i.startsWith(`monaco-${feat}@`));
+      const items = await getFeatures(`monaco-${feat}`);
       if (!items.length) {
         console.warn('Unknown monaco feature:', feat);
         continue;

packages/ui-default/lazyload.ts

@@ -0,0 +1,34 @@
+const lazyModules = {};
+const features: Record<string, string | (() => Promise<any>)> = {};
+export default async function load(name: string) {
+  if (window.node_modules[name]) return window.node_modules[name];
+  if (name === 'echarts') return import('echarts');
+  if (name === 'moment') return import('moment');
+  if (!window.lazyloadMetadata?.[`${name}.lazy.js`]) throw new Error(`Module ${name} not found`);
+  if (lazyModules[name]) return lazyModules[name];
+  const tag = document.createElement('script');
+  tag.src = `/lazy/${window.lazyloadMetadata[`${name}.lazy.js`]}/${name}.lazy.js`;
+  lazyModules[name] = new Promise((resolve, reject) => {
+    tag.onerror = reject;
+    const timeout = setTimeout(reject, 30000);
+    window.lazyModuleResolver[name] = (item) => {
+      clearTimeout(timeout);
+      resolve(item);
+    };
+  });
+  document.body.appendChild(tag);
+  return lazyModules[name];
+}
+export { load };
+export async function getFeatures(name: string) {
+  const legacy = Object.keys(window.externalModules).filter((i) => i === name || i.startsWith(`${name}@`))
+    .map((i) => window.externalModules[i]);
+  const c = Object.keys(features).filter((i) => i === name || i.startsWith(`${name}@`))
+    .map((i) => features[i]);
+  console.log(legacy, c, features);
+  return c.concat(legacy);
+}
+
+export function provideFeature(name: string, content: string | (() => Promise<any>)) {
+  features[name] = content;
+}