Download docs before clearing index to reduce time taken to process docs

Author: sivakumar-kailasam

lib/api.js

@@ -13,14 +13,14 @@ const apiIndexes = ['modules', 'classes', 'methods', 'versions']
 export async function runApi(clearIndex = false, useJsonDriver = false) {
   let driver = useJsonDriver ? jsonDriver : algoliaDriver
 
+  await downloadApiDocs()
+
   apiIndexes.map(driver.init)
 
   if (clearIndex) {
     apiIndexes.map(driver.clear)
   }
 
-  await downloadApiDocs()
-
   await Promise.all([
     processDocs(driver, 'ember'),
     processDocs(driver, 'ember-data'),