Add core rust types (#9714)

* Add rust types

* Remove bitflags

* Use ahash for better platform support

* Reexport core types

Author: MonicaOlejniczak

Cargo.lock

@@ -13,12 +13,17 @@ parcel_filesystem = { path = "../parcel_filesystem" }
 parcel_napi_helpers = { path = "../parcel_napi_helpers" }
 parcel-resolver = { path = "../../packages/utils/node-resolver-rs" }
 
+ahash = "0.8.11"
 anyhow = "1.0.82"
+browserslist-rs = "0.15.0"
 glob = "0.3.1"
 mockall = "0.12.1"
 napi = "2.16.4"
 napi-derive = { version = "2.16.3" }
-serde = "1.0.200"
-serde_json = "1.0.116"
+nodejs-semver = "4.0.0"
+serde = { version = "1.0.200", features = ["derive"] }
+serde_json = { version = "1.0.116", features = ["preserve_order"] }
+serde_repr = "0.1.19"
+serde-value = "0.7.0"
 toml = "0.8.12"
-xxhash-rust = { version = "0.8.2", features = ["xxh3"] }
+xxhash-rust = { version = "0.8.2", features = ["xxh3"] }

crates/parcel_core/Cargo.toml

@@ -1,7 +1,10 @@
 //! Core re-implementation in Rust
 
 pub mod hash;
+pub mod types;
+
 /// New-type for paths relative to a project-root
 pub mod project_path;
+
 /// Request types and run functions
 pub mod requests;

crates/parcel_core/src/lib.rs

@@ -0,0 +1,29 @@
+mod asset;
+pub use self::asset::*;
+
+mod bundle;
+pub use self::bundle::*;
+
+mod dependency;
+pub use self::dependency::*;
+
+mod environment;
+pub use self::environment::*;
+
+mod file_type;
+pub use self::file_type::*;
+
+mod json;
+pub use self::json::*;
+
+mod parcel_options;
+pub use self::parcel_options::*;
+
+mod source;
+pub use self::source::*;
+
+mod symbol;
+pub use self::symbol::*;
+
+mod target;
+pub use self::target::*;

crates/parcel_core/src/types.rs

@@ -0,0 +1,102 @@
+use std::hash::Hash;
+use std::hash::Hasher;
+use std::num::NonZeroU32;
+use std::path::PathBuf;
+
+use ahash::AHasher;
+use serde::Deserialize;
+use serde::Serialize;
+
+use super::bundle::BundleBehavior;
+use super::environment::Environment;
+use super::file_type::FileType;
+use super::json::JSONObject;
+use super::symbol::Symbol;
+
+#[derive(PartialEq, Hash, Clone, Copy, Debug)]
+pub struct AssetId(pub NonZeroU32);
+
+/// An asset is a file or part of a file that may represent any data type including source code, binary data, etc.
+///
+/// Note that assets may exist in the file system or virtually.
+///
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Asset {
+  /// The file type of the asset, which may change during transformation
+  #[serde(rename = "type")]
+  pub asset_type: FileType,
+
+  /// Controls which bundle the asset is placed into
+  pub bundle_behavior: BundleBehavior,
+
+  /// The environment of the asset
+  pub env: Environment,
+
+  /// The file path to the asset
+  pub file_path: PathBuf,
+
+  /// Indicates if the asset is used as a bundle entry
+  ///
+  /// This controls whether a bundle can be split into multiple, or whether all of the
+  /// dependencies must be placed in a single bundle.
+  ///
+  pub is_bundle_splittable: bool,
+
+  /// Whether this asset is part of the project, and not an external dependency
+  ///
+  /// This indicates that transformation using the project configuration should be applied.
+  ///
+  pub is_source: bool,
+
+  /// Plugin specific metadata for the asset
+  pub meta: JSONObject,
+
+  /// The pipeline defined in .parcelrc that the asset should be processed with
+  pub pipeline: Option<String>,
+
+  /// The transformer options for the asset from the dependency query string
+  pub query: Option<String>,
+
+  /// Whether this asset can be omitted if none of its exports are being used
+  ///
+  /// This is initially set by the resolver, but can be overridden by transformers.
+  ///
+  pub side_effects: bool,
+
+  /// Statistics about the asset
+  pub stats: AssetStats,
+
+  /// The symbols that the asset exports
+  pub symbols: Vec<Symbol>,
+
+  /// A unique key that identifies an asset
+  ///
+  /// When a transformer returns multiple assets, it can give them unique keys to identify them.
+  /// This can be used to find assets during packaging, or to create dependencies between multiple
+  /// assets returned by a transformer by using the unique key as the dependency specifier.
+  ///
+  pub unique_key: Option<String>,
+}
+
+impl Asset {
+  pub fn id(&self) -> u64 {
+    let mut hasher = AHasher::default();
+
+    self.asset_type.hash(&mut hasher);
+    self.env.hash(&mut hasher);
+    self.file_path.hash(&mut hasher);
+    self.pipeline.hash(&mut hasher);
+    self.query.hash(&mut hasher);
+    self.unique_key.hash(&mut hasher);
+
+    hasher.finish()
+  }
+}
+
+/// Statistics that pertain to an asset
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct AssetStats {
+  pub size: u32,
+  pub time: u32,
+}