Add swell provider folder

framework/swell/cart/utils/checkout-create.ts

@@ -0,0 +1,29 @@
+import {
+  SHOPIFY_CHECKOUT_ID_COOKIE,
+  SHOPIFY_CHECKOUT_URL_COOKIE,
+  SHOPIFY_COOKIE_EXPIRE,
+} from '../../const'
+
+import checkoutCreateMutation from '../../utils/mutations/checkout-create'
+import Cookies from 'js-cookie'
+
+export const checkoutCreate = async (fetch: any) => {
+  const data = await fetch({
+    query: checkoutCreateMutation,
+  })
+
+  const checkout = data.checkoutCreate?.checkout
+  const checkoutId = checkout?.id
+
+  if (checkoutId) {
+    const options = {
+      expires: SHOPIFY_COOKIE_EXPIRE,
+    }
+    Cookies.set(SHOPIFY_CHECKOUT_ID_COOKIE, checkoutId, options)
+    Cookies.set(SHOPIFY_CHECKOUT_URL_COOKIE, checkout?.webUrl, options)
+  }
+
+  return checkout
+}
+
+export default checkoutCreate

framework/swell/cart/utils/checkout-to-cart.ts

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+import { Cart } from '../../types'
+import { CommerceError, ValidationError } from '@commerce/utils/errors'
+
+import {
+  CheckoutLineItemsAddPayload,
+  CheckoutLineItemsRemovePayload,
+  CheckoutLineItemsUpdatePayload,
+  Maybe,
+} from '../../schema'
+import { normalizeCart } from '../../utils'
+
+export type CheckoutPayload =
+  | CheckoutLineItemsAddPayload
+  | CheckoutLineItemsUpdatePayload
+  | CheckoutLineItemsRemovePayload
+
+const checkoutToCart = (checkoutPayload?: Maybe<CheckoutPayload>): Cart => {
+  if (!checkoutPayload) {
+    throw new CommerceError({
+      message: 'Invalid response from Shopify',
+    })
+  }
+
+  const checkout = checkoutPayload?.checkout
+  const userErrors = checkoutPayload?.userErrors
+
+  if (userErrors && userErrors.length) {
+    throw new ValidationError({
+      message: userErrors[0].message,
+    })
+  }
+
+  if (!checkout) {
+    throw new CommerceError({
+      message: 'Invalid response from Shopify',
+    })
+  }
+
+  return normalizeCart(checkout)
+}
+
+export default checkoutToCart

framework/swell/cart/utils/fetcher.ts

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+import { HookFetcherFn } from '@commerce/utils/types'
+import { Cart } from '@commerce/types'
+import { checkoutCreate, checkoutToCart } from '.'
+import { FetchCartInput } from '@commerce/cart/use-cart'
+
+const fetcher: HookFetcherFn<Cart | null, FetchCartInput> = async ({
+  options,
+  input: { cartId: checkoutId },
+  fetch,
+}) => {
+  let checkout
+
+  if (checkoutId) {
+    const data = await fetch({
+      ...options,
+      variables: {
+        checkoutId,
+      },
+    })
+    checkout = data.node
+  }
+
+  if (checkout?.completedAt || !checkoutId) {
+    checkout = await checkoutCreate(fetch)
+  }
+
+  // TODO: Fix this type
+  return checkoutToCart({ checkout } as any)
+}
+
+export default fetcher

framework/swell/cart/utils/index.ts

@@ -0,0 +1,2 @@
+export { default as checkoutToCart } from './checkout-to-cart'
+export { default as checkoutCreate } from './checkout-create'