feat(medusa,utils): add server level configurable http compression (#3785)

* feat(medusa,utils): add server level configurable http compression

* chore: remove unwanted middleware

* chore: add a log for running compression

* chore: change package position

* chore: reposition options

* chore: change equality

packages/medusa/src/utils/api/http-compression.ts

@@ -0,0 +1,39 @@
+import { Request, Response, NextFunction } from "express"
+import compression from "compression"
+import { Logger } from "@medusajs/types"
+import {
+  ProjectConfigOptions,
+  HttpCompressionOptions,
+} from "@medusajs/types"
+
+export function shouldCompressResponse(req: Request, res: Response) {
+  const logger: Logger = req.scope.resolve("logger")
+  const { projectConfig } = req.scope.resolve("configModule")
+  const { enabled } = compressionOptions(projectConfig)
+
+  if (!enabled) {
+    return false
+  }
+
+  if (req.headers["x-no-compression"]) {
+    // don't compress responses with this request header
+    return false
+  }
+
+  // fallback to standard filter function
+  return compression.filter(req, res)
+}
+
+export function compressionOptions(
+  config: ProjectConfigOptions
+): HttpCompressionOptions {
+  const responseCompressionOptions = config.http_compression ?? {}
+
+  responseCompressionOptions.enabled = responseCompressionOptions.enabled ?? false
+  responseCompressionOptions.level = responseCompressionOptions.level ?? 6
+  responseCompressionOptions.memLevel = responseCompressionOptions.memLevel ?? 8
+  responseCompressionOptions.threshold =
+    responseCompressionOptions.threshold ?? 1024
+
+  return responseCompressionOptions
+}