Added framework folder

framework/bigcommerce/api/index.ts

@@ -0,0 +1,88 @@
+import type { RequestInit } from '@vercel/fetch'
+import type { CommerceAPIConfig } from '@commerce/api'
+import fetchGraphqlApi from './utils/fetch-graphql-api'
+import fetchStoreApi from './utils/fetch-store-api'
+
+export interface BigcommerceConfig extends CommerceAPIConfig {
+  // Indicates if the returned metadata with translations should be applied to the
+  // data or returned as it is
+  applyLocale?: boolean
+  storeApiUrl: string
+  storeApiToken: string
+  storeApiClientId: string
+  storeChannelId?: string
+  storeApiFetch<T>(endpoint: string, options?: RequestInit): Promise<T>
+}
+
+const API_URL = process.env.BIGCOMMERCE_STOREFRONT_API_URL
+const API_TOKEN = process.env.BIGCOMMERCE_STOREFRONT_API_TOKEN
+const STORE_API_URL = process.env.BIGCOMMERCE_STORE_API_URL
+const STORE_API_TOKEN = process.env.BIGCOMMERCE_STORE_API_TOKEN
+const STORE_API_CLIENT_ID = process.env.BIGCOMMERCE_STORE_API_CLIENT_ID
+const STORE_CHANNEL_ID = process.env.BIGCOMMERCE_CHANNEL_ID
+
+if (!API_URL) {
+  throw new Error(
+    `The environment variable BIGCOMMERCE_STOREFRONT_API_URL is missing and it's required to access your store`
+  )
+}
+
+if (!API_TOKEN) {
+  throw new Error(
+    `The environment variable BIGCOMMERCE_STOREFRONT_API_TOKEN is missing and it's required to access your store`
+  )
+}
+
+if (!(STORE_API_URL && STORE_API_TOKEN && STORE_API_CLIENT_ID)) {
+  throw new Error(
+    `The environment variables BIGCOMMERCE_STORE_API_URL, BIGCOMMERCE_STORE_API_TOKEN, BIGCOMMERCE_STORE_API_CLIENT_ID have to be set in order to access the REST API of your store`
+  )
+}
+
+export class Config {
+  private config: BigcommerceConfig
+
+  constructor(config: Omit<BigcommerceConfig, 'customerCookie'>) {
+    this.config = {
+      ...config,
+      // The customerCookie is not customizable for now, BC sets the cookie and it's
+      // not important to rename it
+      customerCookie: 'SHOP_TOKEN',
+    }
+  }
+
+  getConfig(userConfig: Partial<BigcommerceConfig> = {}) {
+    return Object.entries(userConfig).reduce<BigcommerceConfig>(
+      (cfg, [key, value]) => Object.assign(cfg, { [key]: value }),
+      { ...this.config }
+    )
+  }
+
+  setConfig(newConfig: Partial<BigcommerceConfig>) {
+    Object.assign(this.config, newConfig)
+  }
+}
+
+const ONE_DAY = 60 * 60 * 24
+const config = new Config({
+  commerceUrl: API_URL,
+  apiToken: API_TOKEN,
+  cartCookie: process.env.BIGCOMMERCE_CART_COOKIE ?? 'bc_cartId',
+  cartCookieMaxAge: ONE_DAY * 30,
+  fetch: fetchGraphqlApi,
+  applyLocale: true,
+  // REST API only
+  storeApiUrl: STORE_API_URL,
+  storeApiToken: STORE_API_TOKEN,
+  storeApiClientId: STORE_API_CLIENT_ID,
+  storeChannelId: STORE_CHANNEL_ID,
+  storeApiFetch: fetchStoreApi,
+})
+
+export function getConfig(userConfig?: Partial<BigcommerceConfig>) {
+  return config.getConfig(userConfig)
+}
+
+export function setConfig(newConfig: Partial<BigcommerceConfig>) {
+  return config.setConfig(newConfig)
+}