Started to implement server

vendor/deno.land/std@0.178.0/streams/read_all.ts

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+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+import { Buffer } from "../io/buffer.ts";
+import type { Reader, ReaderSync } from "../types.d.ts";
+
+/** Read Reader `r` until EOF (`null`) and resolve to the content as
+ * Uint8Array`.
+ *
+ * ```ts
+ * import { Buffer } from "https://deno.land/std@$STD_VERSION/io/buffer.ts";
+ * import { readAll } from "https://deno.land/std@$STD_VERSION/streams/read_all.ts";
+ *
+ * // Example from stdin
+ * const stdinContent = await readAll(Deno.stdin);
+ *
+ * // Example from file
+ * const file = await Deno.open("my_file.txt", {read: true});
+ * const myFileContent = await readAll(file);
+ * file.close();
+ *
+ * // Example from buffer
+ * const myData = new Uint8Array(100);
+ * // ... fill myData array with data
+ * const reader = new Buffer(myData.buffer);
+ * const bufferContent = await readAll(reader);
+ * ```
+ */
+export async function readAll(r: Reader): Promise<Uint8Array> {
+  const buf = new Buffer();
+  await buf.readFrom(r);
+  return buf.bytes();
+}
+
+/** Synchronously reads Reader `r` until EOF (`null`) and returns the content
+ * as `Uint8Array`.
+ *
+ * ```ts
+ * import { Buffer } from "https://deno.land/std@$STD_VERSION/io/buffer.ts";
+ * import { readAllSync } from "https://deno.land/std@$STD_VERSION/streams/read_all.ts";
+ *
+ * // Example from stdin
+ * const stdinContent = readAllSync(Deno.stdin);
+ *
+ * // Example from file
+ * const file = Deno.openSync("my_file.txt", {read: true});
+ * const myFileContent = readAllSync(file);
+ * file.close();
+ *
+ * // Example from buffer
+ * const myData = new Uint8Array(100);
+ * // ... fill myData array with data
+ * const reader = new Buffer(myData.buffer);
+ * const bufferContent = readAllSync(reader);
+ * ```
+ */
+export function readAllSync(r: ReaderSync): Uint8Array {
+  const buf = new Buffer();
+  buf.readFromSync(r);
+  return buf.bytes();
+}