Vendure provider (#223)

* Minimal list/detail views working with Vendure

* Implement useCart/useAddItem

* Implement useUpdateItem & useRemoveItem

* Implement useSearch

* Add operations codegen, tidy up

* Dummy checkout page

* Implement auth/customer hooks

* Use env var for Shop API url

* Add some documentation

* Improve error handling

* Optimize preview image size

* Fix accidental change

* Update Vendure provider to latest changes

* Vendure provider: split out gql operations, remove unused files

* Update Vendure provider readme

* Add local next.config to Vendure provider, update docs

* Update to use demo server

* Fix build errors

* Use proxy for vendure api

* Simplify instructions in Vendure readme

* Refactor Vendure checkout api handler

* Improve image quality

framework/vendure/product/get-all-product-paths.ts

@@ -0,0 +1,48 @@
+import type {
+  GetAllProductPathsQuery,
+  GetAllProductPathsQueryVariables,
+} from '../schema'
+import { getConfig, VendureConfig } from '../api'
+import { getAllProductPathsQuery } from '../lib/queries/get-all-product-paths-query'
+
+export type GetAllProductPathsResult = {
+  products: Array<{ node: { path: string } }>
+}
+
+async function getAllProductPaths(opts?: {
+  variables?: GetAllProductPathsQueryVariables
+  config?: VendureConfig
+}): Promise<GetAllProductPathsResult>
+
+async function getAllProductPaths<
+  T extends { products: any[] },
+  V = any
+>(opts: {
+  query: string
+  variables?: V
+  config?: VendureConfig
+}): Promise<GetAllProductPathsResult>
+
+async function getAllProductPaths({
+  query = getAllProductPathsQuery,
+  variables,
+  config,
+}: {
+  query?: string
+  variables?: GetAllProductPathsQueryVariables
+  config?: VendureConfig
+} = {}): Promise<GetAllProductPathsResult> {
+  config = getConfig(config)
+  // RecursivePartial forces the method to check for every prop in the data, which is
+  // required in case there's a custom `query`
+  const { data } = await config.fetch<GetAllProductPathsQuery>(query, {
+    variables,
+  })
+  const products = data.products.items
+
+  return {
+    products: products.map((p) => ({ node: { path: `/${p.slug}` } })),
+  }
+}
+
+export default getAllProductPaths