Initial Release

suzzy-v0-standalone/source/functions/serveFunctions.ts

@@ -0,0 +1,51 @@
+import { Request, RequestHandler, Response } from 'express'
+import { PRODUCTION } from '../constants'
+import { createHash } from 'crypto'
+import processView from './processView'
+import Log from './logger'
+
+// Renders a View from Disk and Serves it with Caching Enabled
+export async function Static(path: string): Promise<RequestHandler> {
+    if (PRODUCTION) {
+        Log('INFO', 'static', `Pre-Render: '${path}'`)
+        const content = await processView(path, {})
+        const length = Buffer.byteLength(content)
+        const hash = createHash('md5').update(content).digest('hex')
+
+        return function (req: Request, res: Response) {
+            if (req.headers['if-none-match'] === hash) {
+                res.status(304).end()
+                return
+            }
+            res.setHeader('Content-Type', 'text/html')
+            res.setHeader('Content-Length', length)
+            res.setHeader('ETag', hash)
+            res.end(content)
+        }
+    } else {
+        return async function (req: Request, res: Response) {
+            Log('INFO', 'static', `Render: '${path}'`)
+            processView(path, {})
+                .then(html => res.send(html))
+                .catch(err => res
+                    .status(500)
+                    .end('Caught Rendering Error! Check Console for more details.\n' + String(err))
+                )
+        }
+    }
+
+}
+
+// Redirect to Another Location
+export function Redirect(location: string) {
+    return function (req: Request, res: Response) {
+        res.redirect(location)
+    }
+}
+
+// Return a Response Code with an Empty Body
+export function Empty(status: number) {
+    return function (req: Request, res: Response) {
+        res.status(status).end()
+    }
+}