Add hot reloading (#51)

Author: casey

.github/workflows/ci.yaml

@@ -39,6 +39,7 @@ jobs:
     - run: |
         cargo test --all
         cargo test --all --features axum
+        cargo test --all --features reload
 
   lint:
     runs-on: ubuntu-latest

Cargo.lock

@@ -18,14 +18,30 @@ license = "CC0-1.0"
 repository = "https://github.com/casey/boilerplate"
 
 [dependencies]
-boilerplate-macros = { version = "0.0.0", path = "boilerplate-macros" }
+boilerplate-macros = { version = "0.0.0", path = "crates/boilerplate-macros" }
+boilerplate-parser = { version = "0.0.0", path = "crates/boilerplate-parser", optional = true }
 
 [dev-dependencies]
 axum = "0.8.7"
-html-escaper = { path = "html-escaper" }
+html-escaper = { path = "crates/html-escaper" }
 
 [features]
 axum = ["boilerplate-macros/axum"]
+reload = ["boilerplate-macros/reload", "dep:boilerplate-parser"]
+
+[lints]
+workspace = true
 
 [workspace]
-members = [".", "boilerplate-macros", "html-escaper"]
+members = [".", "crates/*"]
+
+[workspace.lints.rust]
+mismatched-lifetime-syntaxes = "allow"
+
+[workspace.lints.clippy]
+all = { level = "deny", priority = -1 }
+missing-errors-doc = "allow"
+missing-panics-doc = "allow"
+needless-pass-by-value = "allow"
+pedantic = { level = "deny", priority = -1 }
+wildcard-imports = "allow"

Cargo.toml

@@ -92,7 +92,7 @@ println!("The output is: {}", MyTemplateTxt { foo: false, bar: Err("hello".into(
 
 `boilerplate`'s implementation is exceedingly simple. Try using
 [cargo-expand](https://github.com/dtolnay/cargo-expand) to expand the
-`Boilerplate` macro and inspect derived `Display` implementations and debug
+`Boilerplate` macro, inspect derived `Display` implementations, and debug
 template issues.
 
 Quick Start

README.md

@@ -13,6 +13,7 @@ repository.workspace = true
 proc-macro = true
 
 [dependencies]
+boilerplate-parser = { version = "0.0.0", path = "../boilerplate-parser" }
 darling = "0.21.3"
 mime = "0.3.17"
 new_mime_guess = "4.0.1"
@@ -26,3 +27,7 @@ unindent = "0.2.3"
 
 [features]
 axum = []
+reload = []
+
+[lints]
+workspace = true

boilerplate-macros/src/template.rs

@@ -15,29 +15,27 @@ impl Boilerplate {
       .filename
       .unwrap_or_else(|| Self::filename_from_ident(&self.ident.to_string()));
 
-    let source = match self.text {
-      Some(text) => Source::Literal(text),
-      None => {
-        let manifest_dir = std::env::var("CARGO_MANIFEST_DIR")
-          .expect("Failed to get `CARGO_MANIFEST_DIR` environment variable");
-
-        let path = Path::new(&manifest_dir).join("templates").join(&filename);
-
-        let path = path.to_str().unwrap_or_else(|| {
-          panic!(
-            "Path to template `{}` was not valid unicode",
-            path.display()
-          )
-        });
-
-        Source::Path(path.into())
-      }
+    let source = if let Some(text) = self.text {
+      Source::Literal(text)
+    } else {
+      let manifest_dir = std::env::var("CARGO_MANIFEST_DIR")
+        .expect("Failed to get `CARGO_MANIFEST_DIR` environment variable");
+
+      let path = Path::new(&manifest_dir).join("templates").join(&filename);
+
+      let path = path.to_str().unwrap_or_else(|| {
+        panic!(
+          "Path to template `{}` was not valid unicode",
+          path.display(),
+        )
+      });
+
+      Source::Path(path.into())
     };
 
-    let escape = Path::new(&filename)
-      .extension()
-      .map(|extension| ["html", "htm", "xml"].contains(&extension.to_string_lossy().as_ref()))
-      .unwrap_or(false);
+    let escape = Path::new(&filename).extension().is_some_and(|extension| {
+      ["html", "htm", "xml"].contains(&extension.to_string_lossy().as_ref())
+    });
 
     let guess = new_mime_guess::from_path(&filename).first_or_text_plain();