refactor (backend-rs): read version from package.json at compile time

Cargo.lock

@@ -1745,6 +1745,8 @@ dependencies = [
  "napi",
  "proc-macro2",
  "quote",
+ "serde",
+ "serde_json",
  "syn 2.0.64",
  "thiserror",
 ]

packages/backend-rs/build.rs

@@ -1,5 +1,9 @@
 extern crate napi_build;
 
 fn main() {
+    // watch the version in the project root package.json
+    println!("cargo:rerun-if-changed=../../package.json");
+
+    // napi
     napi_build::setup();
 }

packages/backend-rs/index.d.ts

@@ -191,18 +191,6 @@ export interface Config {
   authUrl: string
   driveUrl: string
   userAgent: string
-  clientEntry: Manifest
-}
-export interface Manifest {
-  file: string
-  name: string
-  src: string
-  isEntry: boolean
-  isDynamicEntry: boolean
-  imports: Array<string>
-  dynamicImports: Array<string>
-  css: Array<string>
-  assets: Array<string>
 }
 export function loadConfig(): Config
 export interface Acct {

packages/backend-rs/src/config/server.rs

@@ -231,34 +231,6 @@ pub struct Config {
     pub auth_url: String,
     pub drive_url: String,
     pub user_agent: String,
-    pub client_entry: Manifest,
-}
-
-#[derive(Clone, Debug, PartialEq, Deserialize)]
-#[serde(rename_all = "camelCase")]
-struct Meta {
-    pub version: String,
-}
-
-#[derive(Clone, Debug, PartialEq, Deserialize)]
-struct ManifestJson {
-    #[serde(rename = "src/init.ts")]
-    pub init_ts: Manifest,
-}
-
-#[derive(Clone, Debug, PartialEq, Deserialize)]
-#[serde(rename_all = "camelCase")]
-#[crate::export(object, use_nullable = false)]
-pub struct Manifest {
-    pub file: String,
-    pub name: String,
-    pub src: String,
-    pub is_entry: bool,
-    pub is_dynamic_entry: bool,
-    pub imports: Vec<String>,
-    pub dynamic_imports: Vec<String>,
-    pub css: Vec<String>,
-    pub assets: Vec<String>,
 }
 
 fn read_config_file() -> ServerConfig {
@@ -280,28 +252,12 @@ fn read_config_file() -> ServerConfig {
     data
 }
 
-fn read_meta() -> Meta {
+const VERSION: &str = macro_rs::read_version_from_package_json!();
-    let cwd = env::current_dir().unwrap();
-    let meta_json = fs::File::open(cwd.join("../../built/meta.json"))
-        .expect("Failed to open 'built/meta.json'");
-    serde_json::from_reader(meta_json).expect("Failed to parse built/meta.json")
-}
-
-fn read_manifest() -> Manifest {
-    let cwd = env::current_dir().unwrap();
-    let manifest_json = fs::File::open(cwd.join("../../built/_client_dist_/manifest.json"))
-        .expect("Failed to open 'built/_client_dist_/manifest.json'");
-    let manifest: ManifestJson = serde_json::from_reader(manifest_json)
-        .expect("Failed to parse built/_client_dist_/manifest.json");
-
-    manifest.init_ts
-}
 
 #[crate::export]
 pub fn load_config() -> Config {
     let server_config = read_config_file();
-    let version = read_meta().version;
+    let version = VERSION.to_owned();
-    let manifest = read_manifest();
     let url = url::Url::parse(&server_config.url).expect("Config url is invalid");
     let hostname = url
         .host_str()
@@ -379,7 +335,6 @@ pub fn load_config() -> Config {
         redis_key_prefix,
         scheme,
         ws_scheme,
-        client_entry: manifest,
     }
 }
 

packages/macro-rs/Cargo.toml

@@ -11,6 +11,8 @@ proc-macro = true
 convert_case = { workspace = true }
 proc-macro2 = { workspace = true }
 quote = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
 syn = { workspace = true, features = ["full", "extra-traits"] }
 
 [dev-dependencies]

packages/macro-rs/src/lib.rs

@@ -2,6 +2,21 @@ use convert_case::{Case, Casing};
 use proc_macro2::{TokenStream, TokenTree};
 use quote::{quote, ToTokens};
 
+/// Read the version field in the project root package.json at compile time
+#[proc_macro]
+pub fn read_version_from_package_json(_item: proc_macro::TokenStream) -> proc_macro::TokenStream {
+    #[derive(serde::Deserialize)]
+    struct PackageJson {
+        version: String,
+    }
+
+    let file = std::fs::File::open("package.json").expect("Failed to open package.json");
+    let json: PackageJson = serde_json::from_reader(file).unwrap();
+    let version = &json.version;
+
+    quote! { #version }.into()
+}
+
 /// Export this function, struct, enum, const, etc. to TypeScript.
 #[proc_macro_attribute]
 pub fn export(