59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
import {Express, Router} from "express";
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import path from "path";
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import config from "config";
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import ApplicationComponent from "../ApplicationComponent";
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import {logger} from "../Logger";
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import "svelte/register";
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import ViewEngine from "../frontend/ViewEngine";
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import {readdirRecursively} from "../Utils";
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import FileCache from "../utils/FileCache";
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export default class FrontendToolsComponent extends ApplicationComponent {
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private readonly publicAssetsCache: FileCache = new FileCache();
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public constructor(
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private readonly viewEngine: ViewEngine,
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) {
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super();
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}
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public async start(app: Express): Promise<void> {
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// Cache public assets
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if (config.get<boolean>('asset_cache')) {
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logger.info('Caching assets from', this.viewEngine.getPublicDir(), '...');
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await readdirRecursively(
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this.viewEngine.getPublicDir(),
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async file => await this.publicAssetsCache.load(file),
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);
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} else {
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logger.info('Asset cache disabled.');
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}
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// Setup express view engine
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app.engine(this.viewEngine.getExtension(), (path, options, callback) => {
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this.viewEngine.render(path, options as Record<string, unknown>, callback)
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.catch(err => callback(err));
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});
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app.set('views', this.viewEngine.getViewPaths());
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app.set('view engine', 'svelte');
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}
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public async stop(): Promise<void> {
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await this.viewEngine.stop();
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}
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public async handle(router: Router): Promise<void> {
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router.use((req, res, next) => {
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res.locals.inlineAsset = (urlPath: string) => {
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return this.publicAssetsCache.getOrFail(path.join(this.viewEngine.getPublicDir(), urlPath));
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};
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next();
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});
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}
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public async preCompileViews(watch: boolean): Promise<void> {
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await this.viewEngine.preCompileAll(watch);
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}
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}
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