74 lines
2.0 KiB
TypeScript
74 lines
2.0 KiB
TypeScript
import { DEBUG } from '../config';
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import { createCallbackManager } from './callbacks';
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export enum Bundles {
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Auth,
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Main,
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Extra,
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Calls,
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}
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interface ImportedBundles {
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[Bundles.Auth]: typeof import('../bundles/auth');
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[Bundles.Main]: typeof import('../bundles/main');
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[Bundles.Extra]: typeof import('../bundles/extra');
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[Bundles.Calls]: typeof import('../bundles/calls');
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}
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type BundlePromises = {
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[K in keyof ImportedBundles]: Promise<ImportedBundles[K]>
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};
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export type BundleModules<B extends keyof ImportedBundles> = keyof ImportedBundles[B];
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const LOAD_PROMISES: Partial<BundlePromises> = {};
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const MEMORY_CACHE: Partial<ImportedBundles> = {};
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const { addCallback, runCallbacks } = createCallbackManager();
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export async function loadModule<B extends Bundles, M extends BundleModules<B>>(bundleName: B, moduleName: M) {
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if (!LOAD_PROMISES[bundleName]) {
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switch (bundleName) {
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case Bundles.Auth:
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LOAD_PROMISES[Bundles.Auth] = import('../bundles/auth');
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break;
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case Bundles.Main:
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.log('>>> START LOAD MAIN BUNDLE');
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}
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LOAD_PROMISES[Bundles.Main] = import('../bundles/main');
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break;
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case Bundles.Extra:
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LOAD_PROMISES[Bundles.Extra] = import('../bundles/extra');
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break;
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case Bundles.Calls:
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LOAD_PROMISES[Bundles.Calls] = import('../bundles/calls');
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break;
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}
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(LOAD_PROMISES[bundleName] as Promise<ImportedBundles[B]>).then(runCallbacks);
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}
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const bundle = (await LOAD_PROMISES[bundleName]) as unknown as ImportedBundles[B];
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if (!MEMORY_CACHE[bundleName]) {
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MEMORY_CACHE[bundleName] = bundle;
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}
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return getModuleFromMemory(bundleName, moduleName);
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}
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export function getModuleFromMemory<B extends Bundles, M extends BundleModules<B>>(bundleName: B, moduleName: M) {
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const bundle = MEMORY_CACHE[bundleName] as ImportedBundles[B];
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if (!bundle) {
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return undefined;
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}
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return bundle[moduleName];
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}
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export const addLoadListener = addCallback;
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