Remove event-source-polyfill dependency (vercel#6407)

ryck · Feb 22, 2019 · b88addf · b88addf
1 parent a99323c
commit b88addf
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Showing 4 changed files with 854 additions and 2 deletions.
diff --git a/packages/next-server/lib/utils.js b/packages/next-server/lib/utils.js
@@ -63,7 +63,7 @@ export function formatWithValidation (url, options) {
   if (process.env.NODE_ENV === 'development') {
     if (url !== null && typeof url === 'object') {
       Object.keys(url).forEach((key) => {
-        if (!urlObjectKeys.includes(key)) {
+        if (urlObjectKeys.indexOf(key) === -1) {
           console.warn(`Unknown key passed via urlObject into url.format: ${key}`)
         }
       })