1 files changed, 22 insertions, 0 deletions
diff --git a/tools/release/helpers/crates_io.ts b/tools/release/helpers/crates_io.ts
new file mode 100644
index 000000000..b26539964
--- /dev/null
+++ b/tools/release/helpers/crates_io.ts
@@ -0,0 +1,22 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+
+export interface CratesIoMetadata {
+  crate: {
+    id: string;
+    name: string;
+  };
+  versions: {
+    crate: string;
+    num: string;
+  }[];
+}
+
+export async function getCratesIoMetadata(crateName: string) {
+  // rate limit
+  await new Promise((resolve) => setTimeout(resolve, 100));
+
+  const response = await fetch(`https://crates.io/api/v1/crates/${crateName}`);
+  const data = await response.json();
+
+  return data as CratesIoMetadata;
+}