chore(gatsby-source-medusa): Cleanup plugin setup (#4419)

* chore(gatsby-source-medusa): Cleanup plugin setup

* fix process-node

* Create gentle-cups-crash.md

packages/gatsby-source-medusa/src/__tests__/__snapshots__/process-node.test.ts.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`helper functions should return return a new node from processNode 1`] = `
+Array [
+  Object {
+    "children": Array [],
+    "description": "A test product",
+    "id": "prod_test_1234",
+    "internal": Object {
+      "content": "{\\"id\\":\\"prod_test_1234\\",\\"title\\":\\"Test Shirt\\",\\"description\\":\\"A test product\\",\\"unit_price\\":2500}",
+      "contentDigest": "digest_string",
+      "type": "MedusaProduct",
+    },
+    "parent": null,
+    "title": "Test Shirt",
+    "unit_price": 2500,
+  },
+]
+`;

packages/gatsby-source-medusa/src/__tests__/process-node.test.ts

@@ -0,0 +1,20 @@
+const { processNode } = require("../process-node.ts")
+
+describe("helper functions", () => {
+  it("should return return a new node from processNode", () => {
+    const fieldName = "product"
+    const node = {
+      id: "prod_test_1234",
+      title: "Test Shirt",
+      description: "A test product",
+      unit_price: 2500,
+    }
+
+    const createContentDigest = jest.fn(() => "digest_string")
+    const processNodeResult = processNode(node, fieldName, createContentDigest)
+
+    expect(createContentDigest).toBeCalled()
+
+    expect(processNodeResult).toMatchSnapshot()
+  })
+})

packages/gatsby-source-medusa/src/interface.ts

@@ -0,0 +1,29 @@
+interface MedusaPluginOptions {
+  storeUrl: string
+  apiKey: string
+}
+
+interface MedusaProductImage {
+  url: string
+  metadata: Record<string, unknown> | null
+  id: string
+  created_at: string
+  updated_at: string
+  deleted_at: string | null
+}
+
+interface IMedusaOperation {
+  execute: () => Promise<any[]>
+  name: string
+}
+
+interface IOperations {
+  createProductsOperation: IMedusaOperation
+  createCollectionsOperation: IMedusaOperation
+  createRegionsOperation: IMedusaOperation
+  createOrdersOperation: IMedusaOperation
+  incrementalProductsOperation: (date: string) => IMedusaOperation
+  incrementalCollectionsOperation: (date: string) => IMedusaOperation
+  incrementalRegionsOperation: (date: string) => IMedusaOperation
+  incrementalOrdersOperation: (date: string) => IMedusaOperation
+}

packages/gatsby-source-medusa/src/process-node.ts

@@ -1,5 +1,3 @@
-import { capitalize } from "./utils/capitalize"
-
 export const processNode = (
   node: any,
   fieldName: string,
@@ -34,12 +32,14 @@ export const processNode = (
     delete node.images
   }
 
+  // TODO: use upperFirstCase from medusajs/utils when it's available
+  const type = `Medusa${fieldName[0].toUpperCase() + fieldName.slice(1)}`
   const nodeData = Object.assign({}, node, {
     id: nodeId,
     parent: null,
     children: [],
     internal: {
-      type: `Medusa${capitalize(fieldName)}`,
+      type,
       content: nodeContent,
       contentDigest: nodeContentDigest,
     },

packages/gatsby-source-medusa/src/utils/capitalize.ts

@@ -1,3 +0,0 @@
-export function capitalize(s: string): string {
-  return s[0].toUpperCase() + s.slice(1)
-}