Do not massage declaration import paths

These are now correctly produced and work. But the path stuff does
still need to be stripped. It is not supported and requires downstream
projects to also define the paths. Refer:

https://stackoverflow.com/a/52501384
microsoft/TypeScript#15479

sknpm/src/main.sk

@@ -698,7 +698,7 @@ fun manage(
   if (bc.env.verbose) {
     print_string(">> Copy types declaration files.");
   };
-  declFiles.each(f -> copyToDir(f, distDir, ".mjs"));
+  declFiles.each(f -> copyToDir(f, distDir));
   srcDir = Path.join(npmDir, "src");
   checkDir(srcDir);
   if (bc.env.verbose) {
@@ -708,7 +708,7 @@ fun manage(
     tsDir,
     f -> f.endsWith(".ts"),
     _f -> false,
-  ).each(f -> copyToDir(f, srcDir, ""));
+  ).each(f -> copyToDir(f, srcDir));
   if (bc.env.verbose) {
     print_string(">> Manage license and package files.");
   };
@@ -825,25 +825,23 @@ fun tsc(tsDir: String, link: ?(String, String), verbose: Bool): void {
   Skargo.run(Array["tsc", "--project", tsconfig], verbose);
 }
 
-fun copyToDir(tsFile: String, dir: String, ext: String = ".ts"): void {
+fun copyToDir(tsFile: String, dir: String): void {
   contents = FileSystem.readTextFile(tsFile);
   target = Path.join(dir, Path.basename(tsFile));
   lines = contents.split("\n").map(line -> {
-    if (line.startsWith("import ") || line.startsWith("export {")) {
+    if (
+      line.startsWith("import ") ||
+      line.startsWith("export {") ||
+      line.startsWith("export type {")
+    ) {
       elements = line.split(" from ");
       if (elements.size() == 2) {
         imported = elements[1].split("\"");
         if (imported.size() == 3) {
           elems = imported[1].split("/");
           size = elems.size();
           if (size > 1 && elems[0].startsWith("#")) {
-            !elems = elems.mapWithIndex((idx, v) ->
-              if (idx == 0) "." else if (idx == size - 1) {
-                `${v}${ext}`
-              } else {
-                v
-              }
-            );
+            !elems = elems.mapWithIndex((idx, v) -> if (idx == 0) "." else v);
             !line = `${elements[0]} from "${elems.join("/")}"`
           }
         }