feat: initial wasm/ts/js bindings (#1079)

.github/workflows/js-bindings.yml

@@ -0,0 +1,63 @@
+name: JS bindings CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    paths:
+      # When we change pyproject.toml, we want to ensure that the maturin builds still work
+      - test-data/**
+      - crates/**
+      - Cargo.*
+
+      # When something in the bindings themselves changes
+      - 'js-rattler/**/*'
+
+      # Or when this workflow changes
+      - '.github/workflows/js-bindings.yml'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  format_lint_test:
+    name: Format, Lint and Test the JS bindings
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [ '20.x' ]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: clippy, rustfmt
+          target: wasm32-unknown-unknown
+
+      - name: Run rustfmt
+        uses: actions-rust-lang/rustfmt@v1
+        with:
+          manifest-path: js-rattler/Cargo.toml
+
+      - name: Run clippy
+        run: cargo clippy --all-targets
+        working-directory: js-rattler
+
+      - run: npm ci
+        working-directory: js-rattler
+      - run: npm run fmt
+        working-directory: js-rattler
+      - run: npm run build --if-present
+        working-directory: js-rattler
+      - run: npm test
+        working-directory: js-rattler

Cargo.toml

@@ -61,7 +61,7 @@ digest = "0.10.7"
 dirs = "6.0.0"
 dunce = "1.0.5"
 enum_dispatch = "0.3.13"
-fs-err = { version = "3.1.0", features = ["tokio"] }
+fs-err = { version = "3.1.0" }
 fslock = "0.2.1"
 futures = "0.3.31"
 futures-util = "0.3.31"

crates/rattler_conda_types/src/channel/mod.rs

@@ -9,7 +9,7 @@ use file_url::directory_path_to_url;
 use rattler_redaction::Redact;
 use serde::{Deserialize, Serialize, Serializer};
 use thiserror::Error;
-use typed_path::{Utf8NativePathBuf, Utf8TypedPath, Utf8TypedPathBuf};
+use typed_path::{Utf8TypedPath, Utf8TypedPathBuf};
 use url::Url;
 
 use super::{ParsePlatformError, Platform};
@@ -215,7 +215,7 @@ impl Channel {
             }
         } else if is_path(channel) {
             #[cfg(target_arch = "wasm32")]
-            return Err(ParseChannelError::InvalidPath(path));
+            return Err(ParseChannelError::InvalidPath(channel.to_string()));
 
             #[cfg(not(target_arch = "wasm32"))]
             {
@@ -313,6 +313,7 @@ impl Channel {
     ///
     /// Panics if the path is not an absolute path or could not be
     /// canonicalized.
+    #[cfg(not(target_arch = "wasm32"))]
     pub fn from_directory(path: &Path) -> Self {
         let path = if path.is_absolute() {
             Cow::Borrowed(path)
@@ -466,15 +467,14 @@ fn absolute_path(path_str: &str, root_dir: &Path) -> Result<Utf8TypedPathBuf, Pa
     let root_dir_str = root_dir
         .to_str()
         .ok_or_else(|| ParseChannelError::NotUtf8RootDir(root_dir.to_path_buf()))?;
-    let native_root_dir = Utf8NativePathBuf::from(root_dir_str);
-
-    if !native_root_dir.is_absolute() {
+    let typed_root_dir = Utf8TypedPath::from(root_dir_str);
+    if !typed_root_dir.is_absolute() {
         return Err(ParseChannelError::NonAbsoluteRootDir(
             root_dir.to_path_buf(),
         ));
     }
 
-    Ok(native_root_dir.to_typed_path().join(path).normalize())
+    Ok(typed_root_dir.join(path).normalize())
 }
 
 #[cfg(test)]

js-rattler/.cargo/config.toml

@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"

js-rattler/.gitignore

@@ -0,0 +1,8 @@
+/target
+**/*.rs.bk
+bin/
+pkg/
+dist/
+node_modules/
+wasm-pack.log
+!Cargo.lock

js-rattler/.prettierrc

@@ -0,0 +1,7 @@
+{
+    "tabWidth": 4,
+    "semi": true,
+    "trailingComma": "all",
+    "useTabs": false,
+    "plugins": ["prettier-plugin-jsdoc"]
+}