Merge pull request #4 from storefront-foundation/prerender

Added prerender helper

src/getPrerenderUrls.js

@@ -0,0 +1,31 @@
+import getClient from './utils/client'
+
+// Fetches the page and API paths for all categories and a few product from each specified by the given options
+export default async function getPrerenderUrls(options = { offset: 0, limit: 10 }) {
+  const client = await getClient()
+
+  const { categories = [] } = await client.getMenu()
+
+  const paths = []
+
+  // Prerender all category pages
+  for (let category of categories) {
+    paths.push({ path: `/s/${category.id}` })
+    paths.push({ path: `/api/s/${category.id}` })
+
+    // Try prerendering the first 10 products of each category
+    const search = await client.findProducts({
+      ...options,
+      refine: [`cgid=${category.id}`],
+    })
+
+    if (search.hits) {
+      for (let hit of search.hits) {
+        paths.push({ path: `/p/${hit.productId}` })
+        paths.push({ path: `/api/p/${hit.productId}` })
+      }
+    }
+  }
+
+  return paths
+}

src/index.js

@@ -15,3 +15,4 @@ export { default as subcategory } from './subcategory.js'
 export { default as signUp } from './signUp.js'
 export { default as signIn } from './signIn.js'
 export { default as signOut } from './signOut.js'
+export { default as getPrerenderUrls } from './getPrerenderUrls.js'

src/utils/client.js

@@ -1,3 +1,4 @@
+import fetch from 'node-fetch'
 import querystring from 'querystring'
 import { COOKIES } from './constants'