Use trim

packages/apollo-codegen-flow/src/printer.ts

@@ -5,35 +5,18 @@ import { stripIndent } from "common-tags";
 
 type Printable = t.Node | string;
 
-function trimLeadingEmptyLines(result: string) {
-  let hasSeenContent = false;
-  return result
-    .split("\n")
-    .filter(line => {
-      if (!hasSeenContent && line.trim() === "") {
-        return false;
-      }
-      hasSeenContent = true;
-      return true;
-    })
-    .join("\n");
-}
-
 export default class Printer {
   private printQueue: Printable[] = [];
 
   public print(): string {
-    return trimLeadingEmptyLines(this.printQueue.reduce(
-      (document: string, printable) => {
-        if (typeof printable === "string") {
-          return document + printable;
-        } else {
-          const documentPart = generate(printable).code;
-          return document + this.fixCommas(documentPart);
-        }
-      },
-      ""
-    ) as string);
+    return (this.printQueue.reduce((document: string, printable) => {
+      if (typeof printable === "string") {
+        return document + printable;
+      } else {
+        const documentPart = generate(printable).code;
+        return document + this.fixCommas(documentPart);
+      }
+    }, "") as string).trim();
   }
 
   public enqueue(printable: Printable) {