chore: Implement strict mode (denoland/deno_std#453)

Original: https://github.com/denoland/deno_std/commit/be24677d15494e83eea2e99bfc5ccfdde31cb892

1 files changed, 4 insertions, 10 deletions

diff --git a/testing/format.ts b/testing/format.ts
index 8ed066eb0..af8391b23 100644
--- a/testing/format.ts
+++ b/testing/format.ts
@@ -525,16 +525,10 @@ const getConfig = (options: Options): Config => ({
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export function format(val: any, options: Optional<Options> = {}): string {
-  const opts = Object.keys(DEFAULT_OPTIONS).reduce(
-    (acc: Options, k: keyof Options): unknown => {
-      const opt = options[k];
-      if (typeof opt === "undefined") {
-        return { ...acc, [k]: DEFAULT_OPTIONS[k] };
-      }
-      return { ...acc, [k]: opt };
-    },
-    {}
-  ) as Options;
+  const opts: Options = {
+    ...DEFAULT_OPTIONS,
+    ...options
+  };
   const basicResult = printBasicValue(val, opts);
   if (basicResult !== null) {
     return basicResult;