fix: sort paths in hashmap values

Author: EricCrosson

src/lib.rs

@@ -249,8 +249,8 @@ pub fn tsconfig_includes(
 }
 
 /// Enumerate source code files used by the TypeScript compiler during
-/// compilation. The return value is a list of relative paths from the monorepo
-/// root, grouped by scoped package name.
+/// compilation. The return value is a list of alphabetically-sorted relative
+/// paths from the monorepo root, grouped by scoped package name.
 pub fn tsconfig_includes_by_package_name(
     tsconfig: &Path,
     calculation_type: Calculation,
@@ -314,11 +314,12 @@ pub fn tsconfig_includes_by_package_name(
                 .parent()
                 .unwrap()
                 .join("tsconfig.json");
-            let included = match calculation_type {
+            let mut included_files = match calculation_type {
                 Calculation::Estimate => tsconfig_includes_estimate(&monorepo_root, tsconfig),
                 Calculation::Exact => tsconfig_includes_exact(&monorepo_root, tsconfig),
             }?;
-            Ok((manifest.contents.name.clone(), included))
+            included_files.sort_unstable();
+            Ok((manifest.contents.name.clone(), included_files))
         })
         .collect::<Result<HashMap<_, _>, _>>()?;
 

tests/estimate-by-package-name.rs

@@ -31,8 +31,8 @@ fn list_happy_path_dependencies_bar() {
         &[
             ("bar", "packages/bar/src/bin.ts"),
             ("bar", "packages/bar/src/index.ts"),
-            ("foo", "packages/foo/src/lib.ts"),
             ("foo", "packages/foo/src/index.ts"),
+            ("foo", "packages/foo/src/lib.ts"),
         ],
     );
 }
@@ -42,8 +42,8 @@ fn list_happy_path_dependencies_foo() {
     check(
         "test-data/happy-path/packages/foo/tsconfig.json",
         &[
-            ("foo", "packages/foo/src/lib.ts"),
             ("foo", "packages/foo/src/index.ts"),
+            ("foo", "packages/foo/src/lib.ts"),
         ],
     );
 }