feat: add deleteBucket method

src/client.ts

@@ -1,5 +1,5 @@
 import { AWSSignerV4 } from "../deps.ts";
-import type { CreateBucketOptions } from "./types.ts";
+import type { CreateBucketOptions, DeleteBucketOptions } from "./types.ts";
 import { S3Error } from "./error.ts";
 import { S3Bucket } from "./bucket.ts";
 import { doRequest, encoder } from "./request.ts";
@@ -88,4 +88,30 @@ export class S3 {
       bucket,
     });
   }
+
+  async deleteBucket(
+    bucket: string,
+    options?: DeleteBucketOptions,
+  ): Promise<void> {
+    const headers: Params = {};
+
+    if (options?.expectedBucketOwner) {
+      headers["x-amz-expected-bucket-owner"] = options.expectedBucketOwner;
+    }
+
+    const resp = await doRequest({
+      host: this.#host,
+      signer: this.#signer,
+      path: bucket,
+      method: "DELETE",
+      headers,
+    });
+
+    if (resp.status !== 204) {
+      throw new S3Error(
+        `Failed to delete bucket "${bucket}": ${resp.status} ${resp.statusText}`,
+        await resp.text(),
+      );
+    }
+  }
 }

src/client_test.ts

@@ -27,7 +27,6 @@ Deno.test({
 
     // teardown
     await bucket.deleteObject("foo");
-    // @TODO: delete also bucket once s3.deleteBucket is implemented.
   },
 });
 
@@ -42,3 +41,22 @@ Deno.test({
     );
   },
 });
+
+Deno.test({
+  name: "[client] should delete a bucket",
+  async fn() {
+    await s3.deleteBucket("test.bucket");
+  },
+});
+
+Deno.test({
+  name:
+    "[client] should throw when deleting a bucket if the bucket does not exist",
+  async fn() {
+    await assertThrowsAsync(
+      () => s3.deleteBucket("test.bucket"),
+      S3Error,
+      'Failed to delete bucket "test.bucket": 404 Not Found',
+    );
+  },
+});

src/types.ts

@@ -566,3 +566,7 @@ export interface CreateBucketOptions {
   /** Allows grantee to write the ACL for the applicable bucket. */
   grantWriteAcp?: string;
 }
+
+export interface DeleteBucketOptions {
+  expectedBucketOwner?: string;
+}