[dev/cli] stop trimming log lines from the server (#87199)

Co-authored-by: spalger <spalger@users.noreply.github.com>

src/dev/cli_dev_mode/log.ts

@@ -25,7 +25,7 @@ export interface Log {
   good(label: string, ...args: any[]): void;
   warn(label: string, ...args: any[]): void;
   bad(label: string, ...args: any[]): void;
-  write(label: string, ...args: any[]): void;
+  write(...args: any[]): void;
 }
 
 export class CliLog implements Log {
@@ -58,9 +58,9 @@ export class CliLog implements Log {
     console.log(Chalk.white.bgRed(` ${label.trim()} `), ...args);
   }
 
-  write(label: string, ...args: any[]) {
+  write(...args: any[]) {
     // eslint-disable-next-line no-console
-    console.log(` ${label.trim()} `, ...args);
+    console.log(...args);
   }
 }
 
@@ -88,10 +88,10 @@ export class TestLog implements Log {
     });
   }
 
-  write(label: string, ...args: any[]) {
+  write(...args: any[]) {
     this.messages.push({
       type: 'write',
-      args: [label, ...args],
+      args,
     });
   }
 }

src/dev/cli_dev_mode/optimizer.test.ts

@@ -191,8 +191,8 @@ it('is ready when optimizer phase is success or issue and logs in familiar forma
   const lines = await linesPromise;
   expect(lines).toMatchInlineSnapshot(`
     Array [
-      "np bld    log   [timestamp] [success][@kbn/optimizer] 0 bundles compiled successfully after 0 sec",
-      "np bld    log   [timestamp] [error][@kbn/optimizer] webpack compile errors",
+      " np bld    log   [timestamp] [success][@kbn/optimizer] 0 bundles compiled successfully after 0 sec",
+      " np bld    log   [timestamp] [error][@kbn/optimizer] webpack compile errors",
     ]
   `);
 });

src/dev/cli_dev_mode/optimizer.ts

@@ -105,7 +105,7 @@ export class Optimizer {
 
           ToolingLogTextWriter.write(
             options.writeLogTo ?? process.stdout,
-            `${dim}    log   [${time()}] [${level(msg.type)}][${name}] `,
+            ` ${dim}    log   [${time()}] [${level(msg.type)}][${name}] `,
             msg
           );
           return true;