chore(ext/node): use libz-sys w/`zlib-ng` feature in node (#21158)

We only want one zlib dependency.

Zlib dependencies are reorganized so they use a hidden
`__vendored_zlib_ng` flag in cli that enables zlib-ng for both libz-sys
(used by ext/node) and flate2 (used by deno_web).

3 files changed, 33 insertions, 37 deletions

diff --git a/ext/node/ops/zlib/mod.rs b/ext/node/ops/zlib/mod.rs
index d14b4342f..cf004219a 100644
--- a/ext/node/ops/zlib/mod.rs
+++ b/ext/node/ops/zlib/mod.rs
@@ -1,15 +1,14 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
-
 use deno_core::error::bad_resource_id;
 use deno_core::error::type_error;
 use deno_core::error::AnyError;
 use deno_core::op2;
 use deno_core::OpState;
-use libz_sys::*;
 use std::borrow::Cow;
 use std::cell::RefCell;
 use std::future::Future;
 use std::rc::Rc;
+use zlib::*;
 
 mod alloc;
 pub mod brotli;
diff --git a/ext/node/ops/zlib/mode.rs b/ext/node/ops/zlib/mode.rs
index ef89805ba..da12385e7 100644
--- a/ext/node/ops/zlib/mode.rs
+++ b/ext/node/ops/zlib/mode.rs
@@ -1,7 +1,5 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use libz_sys as sys;
-
 #[derive(Debug)]
 pub enum Error {
   BadArgument,
@@ -60,12 +58,12 @@ repr_i32! {
   #[derive(Clone, Copy, Debug, PartialEq, Default)]
   pub enum Flush {
     #[default]
-    None = sys::Z_NO_FLUSH,
-    Partial = sys::Z_PARTIAL_FLUSH,
-    Sync = sys::Z_SYNC_FLUSH,
-    Full = sys::Z_FULL_FLUSH,
-    Finish = sys::Z_FINISH,
-    Block = sys::Z_BLOCK,
-    Trees = sys::Z_TREES,
+    None = zlib::Z_NO_FLUSH,
+    Partial = zlib::Z_PARTIAL_FLUSH,
+    Sync = zlib::Z_SYNC_FLUSH,
+    Full = zlib::Z_FULL_FLUSH,
+    Finish = zlib::Z_FINISH,
+    Block = zlib::Z_BLOCK,
+    Trees = zlib::Z_TREES,
   }
 }
diff --git a/ext/node/ops/zlib/stream.rs b/ext/node/ops/zlib/stream.rs
index 90cd58ed3..e61c47c1c 100644
--- a/ext/node/ops/zlib/stream.rs
+++ b/ext/node/ops/zlib/stream.rs
@@ -2,19 +2,18 @@
 
 use super::mode::Flush;
 use super::mode::Mode;
-use libz_sys as sys;
 use std::ffi::c_int;
 use std::ops::Deref;
 use std::ops::DerefMut;
 
 pub struct StreamWrapper {
-  pub strm: sys::z_stream,
+  pub strm: zlib::z_stream,
 }
 
 impl Default for StreamWrapper {
   fn default() -> Self {
     Self {
-      strm: sys::z_stream {
+      strm: zlib::z_stream {
         next_in: std::ptr::null_mut(),
         avail_in: 0,
         total_in: 0,
@@ -25,7 +24,7 @@ impl Default for StreamWrapper {
         state: std::ptr::null_mut(),
         zalloc: super::alloc::zalloc,
         zfree: super::alloc::zfree,
-        opaque: 0 as sys::voidpf,
+        opaque: 0 as zlib::voidpf,
         data_type: 0,
         adler: 0,
         reserved: 0,
@@ -35,7 +34,7 @@ impl Default for StreamWrapper {
 }
 
 impl Deref for StreamWrapper {
-  type Target = sys::z_stream;
+  type Target = zlib::z_stream;
 
   fn deref(&self) -> &Self::Target {
     &self.strm
@@ -50,14 +49,14 @@ impl DerefMut for StreamWrapper {
 
 impl StreamWrapper {
   pub fn reset(&mut self, mode: Mode) -> c_int {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
     unsafe {
       match mode {
         Mode::Deflate | Mode::Gzip | Mode::DeflateRaw => {
-          sys::deflateReset(&mut self.strm)
+          zlib::deflateReset(&mut self.strm)
         }
         Mode::Inflate | Mode::Gunzip | Mode::InflateRaw | Mode::Unzip => {
-          sys::inflateReset(&mut self.strm)
+          zlib::inflateReset(&mut self.strm)
         }
         Mode::None => unreachable!(),
       }
@@ -65,14 +64,14 @@ impl StreamWrapper {
   }
 
   pub fn end(&mut self, mode: Mode) {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
     unsafe {
       match mode {
         Mode::Deflate | Mode::Gzip | Mode::DeflateRaw => {
-          sys::deflateEnd(&mut self.strm);
+          zlib::deflateEnd(&mut self.strm);
         }
         Mode::Inflate | Mode::Gunzip | Mode::InflateRaw | Mode::Unzip => {
-          sys::inflateEnd(&mut self.strm);
+          zlib::inflateEnd(&mut self.strm);
         }
         Mode::None => {}
       }
@@ -86,47 +85,47 @@ impl StreamWrapper {
     mem_level: c_int,
     strategy: c_int,
   ) -> c_int {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
     unsafe {
-      sys::deflateInit2_(
+      zlib::deflateInit2_(
         &mut self.strm,
         level,
-        sys::Z_DEFLATED,
+        zlib::Z_DEFLATED,
         window_bits,
         mem_level,
         strategy,
-        sys::zlibVersion(),
-        std::mem::size_of::<sys::z_stream>() as i32,
+        zlib::zlibVersion(),
+        std::mem::size_of::<zlib::z_stream>() as i32,
       )
     }
   }
 
   pub fn inflate_init(&mut self, window_bits: c_int) -> c_int {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
     unsafe {
-      sys::inflateInit2_(
+      zlib::inflateInit2_(
         &mut self.strm,
         window_bits,
-        sys::zlibVersion(),
-        std::mem::size_of::<sys::z_stream>() as i32,
+        zlib::zlibVersion(),
+        std::mem::size_of::<zlib::z_stream>() as i32,
       )
     }
   }
 
   pub fn deflate(&mut self, flush: Flush) -> c_int {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
-    unsafe { sys::deflate(&mut self.strm, flush as _) }
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
+    unsafe { zlib::deflate(&mut self.strm, flush as _) }
   }
 
   pub fn inflate(&mut self, flush: Flush) -> c_int {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
-    unsafe { sys::inflate(&mut self.strm, flush as _) }
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
+    unsafe { zlib::inflate(&mut self.strm, flush as _) }
   }
 
   pub fn inflate_set_dictionary(&mut self, dictionary: &[u8]) -> c_int {
-    // SAFETY: `self.strm` is an initialized `z_stream`.
+    // SAFETY: `self.strm` is an initialized `zlib::z_stream`.
     unsafe {
-      sys::inflateSetDictionary(
+      zlib::inflateSetDictionary(
         &mut self.strm,
         dictionary.as_ptr() as *const _,
         dictionary.len() as _,