f1176a0673
* intial work * update lock * add routes and fix HMR of configs * cleanup * rm imports * rm debug from plugin * address feedback * address feedback
57 lines
1.5 KiB
TypeScript
57 lines
1.5 KiB
TypeScript
import compression from "compression"
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import { Request, Response, Router, static as static_ } from "express"
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import fs from "fs"
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import { ServerResponse } from "http"
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import path from "path"
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type ServeOptions = {
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outDir: string
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}
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const router = Router()
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export async function serve(options: ServeOptions) {
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const htmlPath = path.resolve(options.outDir, "index.html")
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/**
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* The admin UI should always be built at this point, but in the
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* rare case that another plugin terminated a previous startup, the admin
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* may not have been built correctly. Here we check if the admin UI
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* build files exist, and if not, we throw an error, providing the
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* user with instructions on how to fix their build.
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*/
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const indexExists = fs.existsSync(htmlPath)
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if (!indexExists) {
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throw new Error(
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`Could not find index.html in the admin build directory. Make sure to run 'medusa build' before starting the server.`
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)
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}
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const html = fs.readFileSync(htmlPath, "utf-8")
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const sendHtml = (_req: Request, res: Response) => {
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res.setHeader("Cache-Control", "no-cache")
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res.setHeader("Vary", "Origin, Cache-Control")
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res.send(html)
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}
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const setStaticHeaders = (res: ServerResponse) => {
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res.setHeader("Cache-Control", "max-age=31536000, immutable")
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res.setHeader("Vary", "Origin, Cache-Control")
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}
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router.use(compression())
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router.get("/", sendHtml)
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router.use(
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static_(options.outDir, {
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setHeaders: setStaticHeaders,
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})
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)
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router.get(`/*`, sendHtml)
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return router
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}
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