1234567891011121314151617181920212223242526272829303132333435363738
import { MiddlewareTarget } from '../models/middleware-target.ts';import { StaticFilesConfig } from '../models/static-config.ts';import { send } from '../static/send.ts';import { getStaticFile } from '../utils/get-static-file.ts';import { Context } from '../models/context.ts';
export class SpaBuilder<TState> implements MiddlewareTarget<TState> {    constructor(private staticConfig: StaticFilesConfig) {}
    onPreRequest(context: Context<TState>): Promise<void> {        return new Promise(async (resolve, reject) => {                        if (await getStaticFile(context, this.staticConfig)) {                context.response.setImmediately();            }
            resolve();        });    }
    onPostRequest(context: Context<TState>): Promise<void> {        return new Promise(async (resolve, reject) => {            if (context.response.result === undefined && this.staticConfig.index && !hasUrlExtension(context.request.url)) {                                if (await send({ request: context.request.serverRequest, response: context.response }, this.staticConfig.index, this.staticConfig)) {                    context.response.setImmediately();                }            }
            resolve();        });    }}
function hasUrlExtension(url: string): boolean {    const fragments = url.split('/');    return fragments[fragments.length - 1].includes('.');}