From ab72019a17ccc077384c37eaeae15fffc9ce4d92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Wed, 1 Nov 2023 23:25:18 +0100
Subject: feat: enable Array.fromAsync (#21048)

---
 cli/tests/unit/console_test.ts |  1 +
 cli/tests/unit/globals_test.ts | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

(limited to 'cli/tests')

diff --git a/cli/tests/unit/console_test.ts b/cli/tests/unit/console_test.ts
index d8990559e..d6e2a5263 100644
--- a/cli/tests/unit/console_test.ts
+++ b/cli/tests/unit/console_test.ts
@@ -500,6 +500,7 @@ Deno.test(function consoleTestStringifyFunctionWithProperties() {
   [isArray]: [Function: isArray] { [length]: 1, [name]: "isArray" },
   [from]: [Function: from] { [length]: 1, [name]: "from" },
   [of]: [Function: of] { [length]: 0, [name]: "of" },
+  [fromAsync]: [Function: fromAsync] { [length]: 1, [name]: "fromAsync" },
   [Symbol(Symbol.species)]: [Getter]
 }`,
   );
diff --git a/cli/tests/unit/globals_test.ts b/cli/tests/unit/globals_test.ts
index e5ff2cc8e..b47e83cfd 100644
--- a/cli/tests/unit/globals_test.ts
+++ b/cli/tests/unit/globals_test.ts
@@ -153,3 +153,20 @@ Deno.test(async function promiseWithResolvers() {
     await assertRejects(() => promise, Error, "boom!");
   }
 });
+
+Deno.test(async function arrayFromAsync() {
+  // Taken from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fromAsync#examples
+  // Thank you.
+  const asyncIterable = (async function* () {
+    for (let i = 0; i < 5; i++) {
+      await new Promise((resolve) => setTimeout(resolve, 10 * i));
+      yield i;
+    }
+  })();
+
+  const a = await Array.fromAsync(asyncIterable);
+  assertEquals(a, [0, 1, 2, 3, 4]);
+
+  const b = await Array.fromAsync(new Map([[1, 2], [3, 4]]));
+  assertEquals(b, [[1, 2], [3, 4]]);
+});
-- 
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