Fix/Janky filepath manipulation with subprojects (#116)

* Fixed subproject not being found if root folder was .

* Fixed bad extracted path if project name isn't in namespace

* Update .napirc

* Fixed duplicate project names

Author: LeBoufty

examples/csharp/EndpointExample/.napirc

@@ -2,7 +2,7 @@
   "language": "c-sharp",
   "project": {
     "include": ["**/*"],
-    "exclude": ["bin/**", "obj/**"]
+    "exclude": ["bin/**", "obj/**", "napi-output/**"]
   },
   "outDir": "napi-output",
   "metrics": {

packages/cli/src/languagePlugins/csharp/projectMapper/index.ts

@@ -130,7 +130,10 @@ export class CSharpProjectMapper {
     // We assume that the most precise project is the one with the longest rootFolder
     // (In case there are nested projects)
     for (const project of this.subprojects) {
-      if (filePath.startsWith(project.rootFolder)) {
+      if (
+        filePath.startsWith(project.rootFolder) ||
+        project.rootFolder === "."
+      ) {
         if (
           mostPreciseProject === null ||
           project.rootFolder.length > mostPreciseProject.rootFolder.length

packages/cli/src/symbolExtractor/csharp/index.ts

@@ -49,12 +49,16 @@ export function extractCSharpSymbols(
     // File path for the extracted file
     const fakeprojectpath = subproject.name.split(".").join(path.sep);
     const spindex = namespace.split(".").indexOf(subproject.name);
+    const nspath = namespace
+      .split(".")
+      .slice(spindex !== -1 ? spindex : 0)
+      .join(path.sep)
+      .replace(fakeprojectpath, subproject.name);
     const key = path.join(
-      namespace
-        .split(".")
-        .slice(spindex !== -1 ? spindex : 0)
-        .join(path.sep)
-        .replace(fakeprojectpath, subproject.name),
+      spindex !== -1 || nspath.startsWith(subproject.name)
+        ? ""
+        : subproject.name,
+      nspath,
       `${name}.cs`,
     );
     if (!extractedFilesMap.has(key)) {