Started to implement server

vendor/deno.land/std@0.189.0/streams/write_all.ts

@@ -0,0 +1,65 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// This module is browser compatible.
+
+import type { Writer, WriterSync } from "../types.d.ts";
+
+/** Write all the content of the array buffer (`arr`) to the writer (`w`).
+ *
+ * ```ts
+ * import { Buffer } from "https://deno.land/std@$STD_VERSION/io/buffer.ts";
+ * import { writeAll } from "https://deno.land/std@$STD_VERSION/streams/write_all.ts";
+
+ * // Example writing to stdout
+ * let contentBytes = new TextEncoder().encode("Hello World");
+ * await writeAll(Deno.stdout, contentBytes);
+ *
+ * // Example writing to file
+ * contentBytes = new TextEncoder().encode("Hello World");
+ * const file = await Deno.open('test.file', {write: true});
+ * await writeAll(file, contentBytes);
+ * file.close();
+ *
+ * // Example writing to buffer
+ * contentBytes = new TextEncoder().encode("Hello World");
+ * const writer = new Buffer();
+ * await writeAll(writer, contentBytes);
+ * console.log(writer.bytes().length);  // 11
+ * ```
+ */
+export async function writeAll(w: Writer, arr: Uint8Array) {
+  let nwritten = 0;
+  while (nwritten < arr.length) {
+    nwritten += await w.write(arr.subarray(nwritten));
+  }
+}
+
+/** Synchronously write all the content of the array buffer (`arr`) to the
+ * writer (`w`).
+ *
+ * ```ts
+ * import { Buffer } from "https://deno.land/std@$STD_VERSION/io/buffer.ts";
+ * import { writeAllSync } from "https://deno.land/std@$STD_VERSION/streams/write_all.ts";
+ *
+ * // Example writing to stdout
+ * let contentBytes = new TextEncoder().encode("Hello World");
+ * writeAllSync(Deno.stdout, contentBytes);
+ *
+ * // Example writing to file
+ * contentBytes = new TextEncoder().encode("Hello World");
+ * const file = Deno.openSync('test.file', {write: true});
+ * writeAllSync(file, contentBytes);
+ * file.close();
+ *
+ * // Example writing to buffer
+ * contentBytes = new TextEncoder().encode("Hello World");
+ * const writer = new Buffer();
+ * writeAllSync(writer, contentBytes);
+ * console.log(writer.bytes().length);  // 11
+ * ```
+ */
+export function writeAllSync(w: WriterSync, arr: Uint8Array) {
+  let nwritten = 0;
+  while (nwritten < arr.length) {
+    nwritten += w.writeSync(arr.subarray(nwritten));
+  }
+}