Fix output buffer pipe issue (#5310)

* Fixed issue where piped results were truncated

* Fixed pipe limit issue

* Update CHANGELOG.md

---------

Co-authored-by: joehan <joehanley@google.com>

CHANGELOG.md

@@ -1,3 +1,4 @@
 - Released Firestore emulator v1.18.2.
   - Removed nano precision in timestamp used in Firestore emulator (#5893)
   - Fixed a bug where query behaves differently from production.
+- Fixed an issue where very long command outputs would be cut off. (#3286)

src/command.ts

@@ -125,7 +125,7 @@ export class Command {
   }
 
   /**
-   * Registers the command with the client. This is used to inisially set up
+   * Registers the command with the client. This is used to initially set up
    * all the commands and wraps their functionality with analytics and error
    * handling.
    * @param client the client object (from src/index.js).
@@ -190,7 +190,7 @@ export class Command {
       runner(...args)
         .then(async (result) => {
           if (getInheritedOption(options, "json")) {
-            console.log(
+            process.stdout.write(
               JSON.stringify(
                 {
                   status: "success",
@@ -222,7 +222,6 @@ export class Command {
               ])
             );
           }
-          process.exit();
         })
         .catch(async (err) => {
           if (getInheritedOption(options, "json")) {