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/operations/get-site-info.ts

@@ -0,0 +1,37 @@
+import getCategories from '../../utils/get-categories'
+import getVendors, { Brands } from '../../utils/get-vendors'
+import { Provider, SwellConfig } from '../'
+import { OperationContext } from '@commerce/api/operations'
+import { Category } from '@commerce/types/site'
+
+export type GetSiteInfoResult<
+  T extends { categories: any[]; brands: any[] } = {
+    categories: Category[]
+    brands: Brands
+  }
+> = T
+
+export default function getSiteInfoOperation({
+  commerce,
+}: OperationContext<Provider>) {
+  async function getSiteInfo({
+    variables,
+    config: cfg,
+  }: {
+    query?: string
+    variables?: any
+    config?: Partial<SwellConfig>
+    preview?: boolean
+  } = {}): Promise<GetSiteInfoResult> {
+    const config = commerce.getConfig(cfg)
+    const categories = await getCategories(config)
+    const brands = await getVendors(config)
+
+    return {
+      categories,
+      brands,
+    }
+  }
+
+  return getSiteInfo
+}