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, 8 insertions, 11 deletions

diff --git a/std/log/handlers.ts b/std/log/handlers.ts
index 5dfd0caa4..93bdd3edd 100644
--- a/std/log/handlers.ts
+++ b/std/log/handlers.ts
@@ -37,19 +37,16 @@ export class BaseHandler {
       return this.formatter(logRecord);
     }
 
-    return this.formatter.replace(
-      /{(\S+)}/g,
-      (match, p1): string => {
-        const value = logRecord[p1 as keyof LogRecord];
+    return this.formatter.replace(/{(\S+)}/g, (match, p1): string => {
+      const value = logRecord[p1 as keyof LogRecord];
 
-        // do not interpolate missing values
-        if (!value) {
-          return match;
-        }
-
-        return String(value);
+      // do not interpolate missing values
+      if (!value) {
+        return match;
       }
-    );
+
+      return String(value);
+    });
   }
 
   log(_msg: string): void {}