From d47147fb6ad229b1c039aff9d0959b6e281f4df5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Tue, 14 Feb 2023 17:38:45 +0100
Subject: feat(ext/node): embed std/node into the snapshot (#17724)

This commit moves "deno_std/node" in "ext/node" crate. The code is
transpiled and snapshotted during the build process.

During the first pass a minimal amount of work was done to create the
snapshot, a lot of code in "ext/node" depends on presence of "Deno"
global. This code will be gradually fixed in the follow up PRs to migrate
it to import relevant APIs from "internal:" modules.

Currently the code from snapshot is not used in any way, and all
Node/npm compatibility still uses code from
"https://deno.land/std/node" (or from the location specified by
"DENO_NODE_COMPAT_URL"). This will also be handled in a follow
up PRs.

---------

Co-authored-by: crowlkats <crowlkats@toaxl.com>
Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
---
 ext/node/polyfills/_fs/_fs_appendFile.ts | 73 ++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 ext/node/polyfills/_fs/_fs_appendFile.ts

(limited to 'ext/node/polyfills/_fs/_fs_appendFile.ts')

diff --git a/ext/node/polyfills/_fs/_fs_appendFile.ts b/ext/node/polyfills/_fs/_fs_appendFile.ts
new file mode 100644
index 000000000..d47afe81b
--- /dev/null
+++ b/ext/node/polyfills/_fs/_fs_appendFile.ts
@@ -0,0 +1,73 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import {
+  CallbackWithError,
+  isFd,
+  maybeCallback,
+  WriteFileOptions,
+} from "internal:deno_node/polyfills/_fs/_fs_common.ts";
+import { Encodings } from "internal:deno_node/polyfills/_utils.ts";
+import {
+  copyObject,
+  getOptions,
+} from "internal:deno_node/polyfills/internal/fs/utils.mjs";
+import {
+  writeFile,
+  writeFileSync,
+} from "internal:deno_node/polyfills/_fs/_fs_writeFile.ts";
+import { promisify } from "internal:deno_node/polyfills/internal/util.mjs";
+
+/**
+ * TODO: Also accept 'data' parameter as a Node polyfill Buffer type once these
+ * are implemented. See https://github.com/denoland/deno/issues/3403
+ */
+export function appendFile(
+  path: string | number | URL,
+  data: string | Uint8Array,
+  options: Encodings | WriteFileOptions | CallbackWithError,
+  callback?: CallbackWithError,
+) {
+  callback = maybeCallback(callback || options);
+  options = getOptions(options, { encoding: "utf8", mode: 0o666, flag: "a" });
+
+  // Don't make changes directly on options object
+  options = copyObject(options);
+
+  // Force append behavior when using a supplied file descriptor
+  if (!options.flag || isFd(path)) {
+    options.flag = "a";
+  }
+
+  writeFile(path, data, options, callback);
+}
+
+/**
+ * TODO: Also accept 'data' parameter as a Node polyfill Buffer type once these
+ * are implemented. See https://github.com/denoland/deno/issues/3403
+ */
+export const appendFilePromise = promisify(appendFile) as (
+  path: string | number | URL,
+  data: string | Uint8Array,
+  options?: Encodings | WriteFileOptions,
+) => Promise<void>;
+
+/**
+ * TODO: Also accept 'data' parameter as a Node polyfill Buffer type once these
+ * are implemented. See https://github.com/denoland/deno/issues/3403
+ */
+export function appendFileSync(
+  path: string | number | URL,
+  data: string | Uint8Array,
+  options?: Encodings | WriteFileOptions,
+) {
+  options = getOptions(options, { encoding: "utf8", mode: 0o666, flag: "a" });
+
+  // Don't make changes directly on options object
+  options = copyObject(options);
+
+  // Force append behavior when using a supplied file descriptor
+  if (!options.flag || isFd(path)) {
+    options.flag = "a";
+  }
+
+  writeFileSync(path, data, options);
+}
-- 
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