Fix docs build for latest ember-data (3.6-canary)

Author: Gaurav0

generate-local.sh

@@ -20,7 +20,7 @@ elif [ "$COMMAND" == 'yui' ] && [ "${2}" == 'ember-data' ]
 then
   cd ../data
   echo "🏃 💨 Running ember data docs build 🏃 💨"
-  npm run production
+  npm run build:production
   echo "🚚 💨 Copying data docs output to ember-jsonapi-docs for version $1... 🚚 💨 "
   rm -rf ../ember-jsonapi-docs/tmp/s3-docs/v$VERSION/$PROJECT-docs.json
   rm -rf ../ember-jsonapi-docs/tmp/json-docs/$PROJECT/$VERSION

lib/fetch-yui-docs.js

@@ -66,8 +66,8 @@ export default async function fetchYuiDocs(
 		ignorePreviouslyIndexedDoc
 	)
 
-	return [
-		...(await fetchYuiDocsFromNpm(projects, 'ember', filterValidVersionsForRequestedDocs)),
-		...(await fetchYuiDocsFromNpm(projects, 'ember-data', filterValidVersionsForRequestedDocs)),
-	]
+	let emberYuidocs = await fetchYuiDocsFromNpm(projects, 'ember', filterValidVersionsForRequestedDocs)
+	let emberDataYuidocs = await fetchYuiDocsFromNpm(projects, 'ember-data', filterValidVersionsForRequestedDocs)
+
+	return [].concat(emberYuidocs || []).concat(emberDataYuidocs || [])
 }