From e6c49d14b1ea6331d2e13f7a0b74a0e41c142596 Mon Sep 17 00:00:00 2001
From: Leo Kettmeir <crowlkats@toaxl.com>
Date: Mon, 9 Jan 2023 20:19:55 +0100
Subject: feat(runtime/os): add `Deno.env.has()` (#17315)

---
 runtime/js/30_os.js | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'runtime/js')

diff --git a/runtime/js/30_os.js b/runtime/js/30_os.js
index f81a5c08d..8069c3a34 100644
--- a/runtime/js/30_os.js
+++ b/runtime/js/30_os.js
@@ -96,6 +96,9 @@
       return ops.op_env();
     },
     set: setEnv,
+    has(key) {
+      return getEnv(key) !== undefined;
+    },
     delete: deleteEnv,
   };
 
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