feat: setup cache busting for static assets

.gitignore

@@ -2,3 +2,5 @@
 .env
 tarpaulin-report.html
 **/tmp/
+assets
+src/cache_buster_data.json

build.rs

@@ -16,6 +16,8 @@
  */
 use std::process::Command;
 
+use cache_buster::{BusterBuilder, NoHashCategory};
+
 fn main() {
     let output = Command::new("git")
         .args(&["rev-parse", "HEAD"])
@@ -23,4 +25,32 @@ fn main() {
         .expect("error in git command, is git installed?");
     let git_hash = String::from_utf8(output.stdout).unwrap();
     println!("cargo:rustc-env=GIT_HASH={}", git_hash);
+
+    cache_bust();
+}
+
+fn cache_bust() {
+    //    until APPLICATION_WASM gets added to mime crate
+    //    PR: https://github.com/hyperium/mime/pull/138
+    //    let types = vec![
+    //        mime::IMAGE_PNG,
+    //        mime::IMAGE_SVG,
+    //        mime::IMAGE_JPEG,
+    //        mime::IMAGE_GIF,
+    //        mime::APPLICATION_JAVASCRIPT,
+    //        mime::TEXT_CSS,
+    //    ];
+
+    println!("cargo:rerun-if-changed=static/cache");
+    let no_hash = vec![NoHashCategory::FileExtentions(vec!["wasm"])];
+
+    let config = BusterBuilder::default()
+        .source("./static/cache/")
+        .result("./assets")
+        .no_hash(no_hash)
+        .follow_links(true)
+        .build()
+        .unwrap();
+
+    config.process().unwrap();
 }

src/main.rs

@@ -22,7 +22,9 @@ use actix_web::{
     error::InternalError, http::StatusCode, middleware as actix_middleware, web::Data as WebData,
     web::JsonConfig, App, HttpServer,
 };
+use lazy_static::lazy_static;
 use log::info;
+use static_assets::FileMap;
 
 mod api;
 pub mod data;
@@ -50,6 +52,10 @@ pub const PKG_HOMEPAGE: &str = env!("CARGO_PKG_HOMEPAGE");
 pub type AppData = WebData<Arc<data::Data>>;
 pub type DB = WebData<Box<dyn db_core::GPDatabse>>;
 
+lazy_static! {
+    pub static ref FILES: FileMap = FileMap::new();
+}
+
 #[cfg(not(tarpaulin_include))]
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {