Update Swell Provider (#359)

* fix update cart item

* update types

* update checkout

* update get-page, cleanup types

* revert change to incorrect file

* cleanup

Co-authored-by: Greg Hoskin <greghoskin@Gregs-MacBook-Pro.local>

framework/swell/api/utils/create-api-handler.ts

@@ -1,58 +0,0 @@
-import type { NextApiHandler, NextApiRequest, NextApiResponse } from 'next'
-import { SwellConfig, getConfig } from '..'
-
-export type SwellApiHandler<
-  T = any,
-  H extends SwellHandlers = {},
-  Options extends {} = {}
-> = (
-  req: NextApiRequest,
-  res: NextApiResponse<SwellApiResponse<T>>,
-  config: SwellConfig,
-  handlers: H,
-  // Custom configs that may be used by a particular handler
-  options: Options
-) => void | Promise<void>
-
-export type SwellHandler<T = any, Body = null> = (options: {
-  req: NextApiRequest
-  res: NextApiResponse<SwellApiResponse<T>>
-  config: SwellConfig
-  body: Body
-}) => void | Promise<void>
-
-export type SwellHandlers<T = any> = {
-  [k: string]: SwellHandler<T, any>
-}
-
-export type SwellApiResponse<T> = {
-  data: T | null
-  errors?: { message: string; code?: string }[]
-}
-
-export default function createApiHandler<
-  T = any,
-  H extends SwellHandlers = {},
-  Options extends {} = {}
->(
-  handler: SwellApiHandler<T, H, Options>,
-  handlers: H,
-  defaultOptions: Options
-) {
-  return function getApiHandler({
-    config,
-    operations,
-    options,
-  }: {
-    config?: SwellConfig
-    operations?: Partial<H>
-    options?: Options extends {} ? Partial<Options> : never
-  } = {}): NextApiHandler {
-    const ops = { ...operations, ...handlers }
-    const opts = { ...defaultOptions, ...options }
-
-    return function apiHandler(req, res) {
-      return handler(req, res, getConfig(config), ops, opts)
-    }
-  }
-}