From cc1f46ce22cb71073c771e486133491ced63c74a Mon Sep 17 00:00:00 2001
From: Maximilien Mellen <maxmellen0@gmail.com>
Date: Tue, 11 Feb 2020 14:47:33 +0100
Subject: [PATCH] squash! Update codebase to support TypeScript strict mode

Post-rebase fixes for strict mode
---
 std/fs/copy.ts  | 2 ++
 std/io/bufio.ts | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/std/fs/copy.ts b/std/fs/copy.ts
index 62e6f59e541d2d..86fac78dff7493 100644
--- a/std/fs/copy.ts
+++ b/std/fs/copy.ts
@@ -85,6 +85,8 @@ async function copyFile(
   await Deno.copyFile(src, dest);
   if (options.preserveTimestamps) {
     const statInfo = await Deno.stat(src);
+    assert(statInfo.accessed != null, `statInfo.accessed is unavailable`);
+    assert(statInfo.modified != null, `statInfo.modified is unavailable`);
     await Deno.utime(dest, statInfo.accessed, statInfo.modified);
   }
 }
diff --git a/std/io/bufio.ts b/std/io/bufio.ts
index f721022f30caad..ba573d0e5d822c 100644
--- a/std/io/bufio.ts
+++ b/std/io/bufio.ts
@@ -311,7 +311,7 @@ export class BufReader implements Reader {
    */
   async readSlice(delim: number): Promise<Uint8Array | Deno.EOF> {
     let s = 0; // search start index
-    let slice: Uint8Array;
+    let slice: Uint8Array | undefined;
 
     while (true) {
       // Search buffer.