Update to TypeScript 3.7 (#3275)

and update to prettier 1.19

Also, update `assert()` and remove not null assertions where possibly
in `cli`.

Closes #3273

1 files changed, 3 insertions, 5 deletions

diff --git a/std/log/logger.ts b/std/log/logger.ts
index 7ef96e15a..482743b23 100644
--- a/std/log/logger.ts
+++ b/std/log/logger.ts
@@ -36,11 +36,9 @@ export class Logger {
       level: level,
       levelName: getLevelName(level)
     };
-    this.handlers.forEach(
-      (handler): void => {
-        handler.handle(record);
-      }
-    );
+    this.handlers.forEach((handler): void => {
+      handler.handle(record);
+    });
   }
 
   debug(msg: string, ...args: unknown[]): void {