import { readFile } from "node:fs/promises";
import { serveStatic } from "@hono/node-server/serve-static";
import type { BkndConfig } from "bknd";
import { App } from "bknd";
async function getHtml() {
return readFile("index.html", "utf8");
}
function addViteScripts(html: string) {
return html.replace(
"",
`
`
);
}
function createApp(config: BkndConfig, env: any) {
const create_config = typeof config.app === "function" ? config.app(env) : config.app;
return App.create(create_config);
}
function setAppBuildListener(app: App, config: BkndConfig, html: string) {
app.emgr.on(
"app-built",
async () => {
await config.onBuilt?.(app);
app.module.server.setAdminHtml(html);
app.module.server.client.get("/assets/!*", serveStatic({ root: "./" }));
},
"sync"
);
}
export async function serveFresh(config: BkndConfig, _html?: string) {
let html = _html;
if (!html) {
html = await getHtml();
}
html = addViteScripts(html);
return {
async fetch(request: Request, env: any, ctx: ExecutionContext) {
const app = createApp(config, env);
setAppBuildListener(app, config, html);
await app.build();
//console.log("routes", app.module.server.client.routes);
return app.fetch(request, env, ctx);
}
};
}
let app: App;
export async function serveCached(config: BkndConfig, _html?: string) {
let html = _html;
if (!html) {
html = await getHtml();
}
html = addViteScripts(html);
return {
async fetch(request: Request, env: any, ctx: ExecutionContext) {
if (!app) {
app = createApp(config, env);
setAppBuildListener(app, config, html);
await app.build();
}
return app.fetch(request, env, ctx);
}
};
}