Kit Langton
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
import type { Hono } from "hono"
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import { createBunWebSocket } from "hono/bun"
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import type { Adapter, FetchApp, Opts } from "./adapter"
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function listen(app: FetchApp, opts: Opts, websocket?: ReturnType<typeof createBunWebSocket>["websocket"]) {
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const start = (port: number) => {
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try {
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if (websocket) {
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return Bun.serve({ fetch: app.fetch, hostname: opts.hostname, idleTimeout: 0, websocket, port })
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}
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return Bun.serve({ fetch: app.fetch, hostname: opts.hostname, idleTimeout: 0, port })
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} catch {
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return
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}
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}
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const server = opts.port === 0 ? (start(4096) ?? start(0)) : start(opts.port)
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if (!server) {
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throw new Error(`Failed to start server on port ${opts.port}`)
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}
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if (!server.port) {
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throw new Error(`Failed to resolve server address for port ${opts.port}`)
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}
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return {
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port: server.port,
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stop(close?: boolean) {
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return Promise.resolve(server.stop(close))
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},
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}
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}
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export const adapter: Adapter = {
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create(app: Hono) {
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const ws = createBunWebSocket()
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return {
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upgradeWebSocket: ws.upgradeWebSocket,
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listen: (opts) => Promise.resolve(listen(app, opts, ws.websocket)),
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}
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},
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createFetch(app) {
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return {
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listen: (opts) => Promise.resolve(listen(app, opts)),
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}
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},
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}
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