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, 12 insertions, 16 deletions

diff --git a/cli/js/globals_test.ts b/cli/js/globals_test.ts
index d7c50c5b1..a4f12e5bd 100644
--- a/cli/js/globals_test.ts
+++ b/cli/js/globals_test.ts
@@ -81,22 +81,18 @@ test(async function windowQueueMicrotask(): Promise<void> {
   let resolve1: () => void | undefined;
   let resolve2: () => void | undefined;
   let microtaskDone = false;
-  const p1 = new Promise(
-    (res): void => {
-      resolve1 = (): void => {
-        microtaskDone = true;
-        res();
-      };
-    }
-  );
-  const p2 = new Promise(
-    (res): void => {
-      resolve2 = (): void => {
-        assert(microtaskDone);
-        res();
-      };
-    }
-  );
+  const p1 = new Promise((res): void => {
+    resolve1 = (): void => {
+      microtaskDone = true;
+      res();
+    };
+  });
+  const p2 = new Promise((res): void => {
+    resolve2 = (): void => {
+      assert(microtaskDone);
+      res();
+    };
+  });
   window.queueMicrotask(resolve1!);
   setTimeout(resolve2!, 0);
   await p1;