feat(project): remove Error::List and use Vec<Error>

crates/aiken/src/cmd/blueprint/apply.rs

@@ -56,9 +56,12 @@ pub fn exec(
 
         let json = serde_json::to_string_pretty(&blueprint).unwrap();
 
-        fs::write(p.blueprint_path(), json).map_err(|error| Error::FileIo {
-            error,
-            path: p.blueprint_path(),
+        fs::write(p.blueprint_path(), json).map_err(|error| {
+            Error::FileIo {
+                error,
+                path: p.blueprint_path(),
+            }
+            .into()
         })
     })
 }

crates/aiken/src/cmd/fmt.rs

@@ -21,10 +21,12 @@ pub fn exec(
         files,
     }: Args,
 ) -> miette::Result<()> {
-    if let Err(err) = aiken_project::format::run(stdin, check, files) {
-        err.report();
+    if let Err(errs) = aiken_project::format::run(stdin, check, files) {
+        for err in &errs {
+            err.report();
+        }
 
-        miette::bail!("failed: {} error(s)", err.len());
+        miette::bail!("failed: {} error(s)", errs.len());
     };
 
     Ok(())

crates/aiken/src/lib.rs

@@ -8,7 +8,7 @@ pub mod cmd;
 
 pub fn with_project<A>(directory: Option<PathBuf>, mut action: A) -> miette::Result<()>
 where
-    A: FnMut(&mut Project<Terminal>) -> Result<(), aiken_project::error::Error>,
+    A: FnMut(&mut Project<Terminal>) -> Result<(), Vec<aiken_project::error::Error>>,
 {
     let project_path = if let Some(d) = directory {
         d
@@ -26,23 +26,28 @@ where
 
     let build_result = action(&mut project);
 
-    let warning_count = project.warnings.len();
+    let warnings = project.warnings();
 
-    for warning in project.warnings {
+    let warning_count = warnings.len();
+
+    for warning in warnings {
         warning.report()
     }
 
     let plural = if warning_count == 1 { "" } else { "s" };
 
-    if let Err(err) = build_result {
-        err.report();
+    if let Err(errs) = build_result {
+        for err in &errs {
+            err.report()
+        }
+
         println!("\n{}", "Summary".purple().bold());
 
         let warning_text = format!("{warning_count} warning{plural}");
 
-        let plural = if err.len() == 1 { "" } else { "s" };
+        let plural = if errs.len() == 1 { "" } else { "s" };
 
-        let error_text = format!("{} error{}", err.len(), plural);
+        let error_text = format!("{} error{}", errs.len(), plural);
 
         let full_summary = format!("    {}, {}", error_text.red(), warning_text.yellow());