✨ feat: get all collection

:%s

framework/vendure/api/operations/get-all-collection.ts

@@ -0,0 +1,45 @@
+import { OperationContext } from '@commerce/api/operations'
+import { Collection } from '@commerce/types/collection'
+import { Provider, VendureConfig } from '..'
+import { GetAllCollectionsQuery } from '../../schema'
+import { getAllCollectionsQuery } from '../../utils/queries/get-all-collections-query'
+
+export type CollectionVariables = { first?: number }
+
+export default function getAllCollectionsOperation({
+  commerce,
+}: OperationContext<Provider>) {
+  async function getAllCollections(opts?: {
+    variables?: CollectionVariables
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  }): Promise<{ collections: Collection[] }>
+
+  async function getAllCollections({
+    query = getAllCollectionsQuery,
+    variables: { ...vars } = {},
+    config: cfg,
+  }: {
+    query?: string
+    variables?: CollectionVariables
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  } = {}): Promise<{ collections: Collection[] | any[] }> {
+    const config = commerce.getConfig(cfg)
+    const variables = {
+      input: {
+        take: vars.first,
+        groupByCollection: true,
+      },
+    }
+    const { data } = await config.fetch<GetAllCollectionsQuery>(query, {
+      variables,
+    })
+
+    return {
+      collections: data.collections.items,
+    }
+  }
+
+  return getAllCollections
+}