Add some more bench snippets

4 files changed, 79 insertions, 1 deletions

diff --git a/bench/snippets/array-map.mjs b/bench/snippets/array-map.mjs
index 56f0cc3c3..2b6f4f669 100644
--- a/bench/snippets/array-map.mjs
+++ b/bench/snippets/array-map.mjs
@@ -1,6 +1,8 @@
 // https://github.com/oven-sh/bun/issues/1096
 import { bench, run } from "mitata";
 
+const identity = (x) => x;
+
 for (let i = 0; i < 20; i++) {
   var array = new Array(i);
   for (let j = 0; j < i; j++) {
diff --git a/bench/snippets/index-of.mjs b/bench/snippets/index-of.mjs
new file mode 100644
index 000000000..a7aad7a1e
--- /dev/null
+++ b/bench/snippets/index-of.mjs
@@ -0,0 +1,12 @@
+import { bench, run } from "mitata";
+
+const input =
+  "Hello, World! foo bar baz qux quux corge grault garply waldo fred plugh xyzzy thud z a b c d e f g h i j k l m n o p q r s t u v w x y z".split(
+    " "
+  );
+
+bench(`Array.indexOf`, () => {
+  return input.indexOf("thud");
+});
+
+await run();
diff --git a/bench/snippets/object-entries.mjs b/bench/snippets/object-entries.mjs
new file mode 100644
index 000000000..c3e4bf9e5
--- /dev/null
+++ b/bench/snippets/object-entries.mjs
@@ -0,0 +1,64 @@
+// so it can run in environments without node module resolution
+import { bench, run } from "../../node_modules/mitata/src/cli.mjs";
+
+const obj = {
+  a: 1,
+  b: 2,
+  c: 3,
+  d: 4,
+  e: 5,
+  f: 6,
+  g: 7,
+  h: 8,
+  i: 9,
+  j: 10,
+  k: 11,
+  l: 12,
+  m: 13,
+  n: 14,
+  o: 15,
+  p: 16,
+  q: 17,
+  r: 18,
+  s: 19,
+  t: 20,
+  u: 21,
+  v: 22,
+  w: 23,
+  x: 24,
+  y: 25,
+  z: 26,
+};
+
+bench("Object.entries(26 keys)", () => {
+  var k;
+  for (let [key, value] of Object.entries(obj)) {
+    value = key;
+  }
+  return k;
+});
+
+bench("Object.keys(26 keys)", () => {
+  var k;
+  for (let [key, value] of Object.keys(obj)) {
+    value = key;
+  }
+  return k;
+});
+
+bench("Object.entries(2 keys)", () => {
+  var k;
+  for (let [key, value] of Object.entries({ a: 1, b: 2 })) {
+    value = key;
+  }
+  return k;
+});
+
+bench("Object.keys(2 keys)", () => {
+  var k;
+  for (let item of Object.keys({ a: 1, b: 2 })) {
+  }
+  return k;
+});
+
+await run();
diff --git a/bench/snippets/readdir.mjs b/bench/snippets/readdir.mjs
index 1486485ec..70c3e960c 100644
--- a/bench/snippets/readdir.mjs
+++ b/bench/snippets/readdir.mjs
@@ -6,7 +6,7 @@ const dir = argv.length > 2 ? argv[2] : "/tmp";
 
 const count = readdirSync(dir).length;
 bench(`readdir("${dir}")`, () => {
-  readdirSync(dir);
+  readdirSync(dir, { withFileTypes: true });
 });
 
 await run();