Added framework folder

framework/bigcommerce/api/utils/fetch-store-api.ts

@@ -0,0 +1,71 @@
+import type { RequestInit, Response } from '@vercel/fetch'
+import { getConfig } from '..'
+import { BigcommerceApiError, BigcommerceNetworkError } from './errors'
+import fetch from './fetch'
+
+export default async function fetchStoreApi<T>(
+  endpoint: string,
+  options?: RequestInit
+): Promise<T> {
+  const config = getConfig()
+  let res: Response
+
+  try {
+    res = await fetch(config.storeApiUrl + endpoint, {
+      ...options,
+      headers: {
+        ...options?.headers,
+        'Content-Type': 'application/json',
+        'X-Auth-Token': config.storeApiToken,
+        'X-Auth-Client': config.storeApiClientId,
+      },
+    })
+  } catch (error) {
+    throw new BigcommerceNetworkError(
+      `Fetch to Bigcommerce failed: ${error.message}`
+    )
+  }
+
+  const contentType = res.headers.get('Content-Type')
+  const isJSON = contentType?.includes('application/json')
+
+  if (!res.ok) {
+    const data = isJSON ? await res.json() : await getTextOrNull(res)
+    const headers = getRawHeaders(res)
+    const msg = `Big Commerce API error (${
+      res.status
+    }) \nHeaders: ${JSON.stringify(headers, null, 2)}\n${
+      typeof data === 'string' ? data : JSON.stringify(data, null, 2)
+    }`
+
+    throw new BigcommerceApiError(msg, res, data)
+  }
+
+  if (res.status !== 204 && !isJSON) {
+    throw new BigcommerceApiError(
+      `Fetch to Bigcommerce API failed, expected JSON content but found: ${contentType}`,
+      res
+    )
+  }
+
+  // If something was removed, the response will be empty
+  return res.status === 204 ? null : await res.json()
+}
+
+function getRawHeaders(res: Response) {
+  const headers: { [key: string]: string } = {}
+
+  res.headers.forEach((value, key) => {
+    headers[key] = value
+  })
+
+  return headers
+}
+
+function getTextOrNull(res: Response) {
+  try {
+    return res.text()
+  } catch (err) {
+    return null
+  }
+}