fix: Site.copy doing nothing for trailing slashes

CHANGELOG.md

@@ -9,6 +9,12 @@ and this project try to adheres to [Semantic Versioning](https://semver.org/),
 but not always is possible (due the use of unstable features from Deno).
 Any BREAKING CHANGE between minor versions will be documented here in upper case.
 
+## [Unreleased]
+
+### Fixed
+
+- `Site.copy` now works as expected when given a path with a trailing slash. [#426]
+
 ## [1.17.4] - 2023-05-25
 ### Added
 - The env variable `LUME_ENV=development` is created when `deno task lume --dev`.
@@ -2254,6 +2260,7 @@ The first version.
 [#417]: https://github.com/lumeland/lume/issues/417
 [#418]: https://github.com/lumeland/lume/issues/418
 [#419]: https://github.com/lumeland/lume/issues/419
+[#426]: https://github.com/lumeland/lume/pull/426
 
 [1.17.4]: https://github.com/lumeland/lume/compare/v1.17.3...v1.17.4
 [1.17.3]: https://github.com/lumeland/lume/compare/v1.17.2...v1.17.3

core/source.ts

@@ -60,7 +60,7 @@ export default class Source {
   /** List of static files and folders to copy */
   staticPaths = new Map<
     string,
-    string | ((path: string) => string) | undefined
+    { dest: string | ((path: string) => string) | undefined; dirOnly: boolean }
   >();
 
   /** List of static files and folders to copy */
@@ -103,8 +103,11 @@ export default class Source {
 
   addStaticPath(from: string, to?: string | ((path: string) => string)) {
     this.staticPaths.set(
-      normalizePath(from),
-      typeof to === "string" ? normalizePath(to) : to,
+      normalizePath(from.replace(/\/$/, "")),
+      {
+        dest: typeof to === "string" ? normalizePath(to) : to,
+        dirOnly: from.endsWith("/"),
+      },
     );
   }
 
@@ -190,9 +193,12 @@ export default class Source {
 
       // Static files
       if (this.staticPaths.has(entry.path)) {
-        const dest = this.staticPaths.get(entry.path);
+        const { dest, dirOnly } = this.staticPaths.get(entry.path)!;
 
         if (entry.type === "file") {
+          if (dirOnly) {
+            continue;
+          }
           staticFiles.push({
             entry,
             outputPath: getOutputPath(entry, path, dest),

tests/__snapshots__/static_files.test.ts.snap

@@ -101,6 +101,16 @@ snapshot[`Copy static files 2`] = `
     flags: [],
     outputPath: "/other/two",
   },
+  {
+    entry: "/other2/one",
+    flags: [],
+    outputPath: "/other2/one",
+  },
+  {
+    entry: "/other2/two",
+    flags: [],
+    outputPath: "/other2/two",
+  },
   {
     entry: "/posts/2022-01-01_first-post/assets/inner/inner2/styles.scss",
     flags: [],

tests/assets/static_files/other2/one

@@ -0,0 +1 @@
+content

tests/assets/static_files/other2/two

@@ -0,0 +1 @@
+content

tests/config.test.ts

@@ -25,18 +25,18 @@ Deno.test("static files configuration", () => {
   site.copy("img");
   equals(staticPaths.size, 1);
   equals(staticPaths.has("/img"), true);
-  equals(staticPaths.get("/img"), undefined);
+  equals(staticPaths.get("/img")!.dest, undefined);
 
   site.copy("statics/favicon.ico", "favicon.ico");
   equals(staticPaths.size, 2);
   equals(
-    staticPaths.get("/statics/favicon.ico"),
+    staticPaths.get("/statics/favicon.ico")!.dest,
     "/favicon.ico",
   );
 
   site.copy("css", ".");
   equals(staticPaths.size, 3);
-  equals(staticPaths.get("/css"), "/");
+  equals(staticPaths.get("/css")!.dest, "/");
 });
 
 Deno.test("ignored files configuration", () => {

tests/static_files.test.ts

@@ -21,6 +21,12 @@ Deno.test("Copy static files", async (t) => {
     (file) => "/subdir" + file.replace(/\.copy2/, ".copy3"),
   );
 
+  // copied with the trailing slash
+  site.copy("other2/");
+
+  // not copied because of the trailing slash
+  site.copy("three.no/");
+
   await build(site);
   await assertSiteSnapshot(t, site);
 });