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>

1 files changed, 30 insertions, 0 deletions

diff --git a/ext/node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/pem.js b/ext/node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/pem.js
new file mode 100644
index 000000000..d2487e1ce
--- /dev/null
+++ b/ext/node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/pem.js
@@ -0,0 +1,30 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright 2017 Fedor Indutny. All rights reserved. MIT license.
+
+import { DEREncoder } from "internal:deno_node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/der.js";
+
+export function PEMEncoder(entity) {
+  DEREncoder.call(this, entity);
+  this.enc = "pem";
+}
+// inherits(PEMEncoder, DEREncoder);
+PEMEncoder.prototype = Object.create(DEREncoder.prototype, {
+  constructor: {
+    value: PEMEncoder,
+    enumerable: false,
+    writable: true,
+    configurable: true,
+  },
+});
+
+PEMEncoder.prototype.encode = function encode(data, options) {
+  const buf = DEREncoder.prototype.encode.call(this, data);
+
+  const p = buf.toString("base64");
+  const out = ["-----BEGIN " + options.label + "-----"];
+  for (let i = 0; i < p.length; i += 64) {
+    out.push(p.slice(i, i + 64));
+  }
+  out.push("-----END " + options.label + "-----");
+  return out.join("\n");
+};