This pull request introduces support for TSConfig paths (#233)

* TSConfig path alias pushed to workspace config mappings to support TSConfig paths

* demo workplace added

src/configuration/tsconfig.service.ts

@@ -131,14 +131,28 @@ async function findTsConfigFiles(workfolder: vscode.WorkspaceFolder) {
 
 async function createMappingsFromWorkspaceConfig(
   tsconfig: {
-    compilerOptions: { baseUrl: string };
+    compilerOptions: { baseUrl: string, paths?: Record<string, string[]> };
   },
   workfolder: vscode.WorkspaceFolder,
   showHiddenFiles: boolean,
   filesExclude: FilesExclude
 ): Promise<Mapping[]> {
   const mappings: Mapping[] = [];
   const baseUrl = tsconfig?.compilerOptions?.baseUrl;
+  const paths = tsconfig?.compilerOptions?.paths;
+
+  if (paths && baseUrl && workfolder) {
+    for (const alias in paths) {
+      const destinations = paths[alias];
+
+      destinations.forEach((dest) => {
+        mappings.push({
+          key: alias.replace(/\*$/, ''),
+          value: '${workspaceFolder}/' + join(baseUrl, dest.replace(/\*$/, '')),
+        });
+      });
+    }
+  }
 
   if (baseUrl && workfolder) {
     const foldersInBaseUrl = await getFoldersInBaseUrl(

src/test/demo-workspace/demo.code-workspace

@@ -20,6 +20,9 @@
     },
     {
       "path": "project-nixos-config"
+    },
+    {
+      "path": "project-with-paths"
     }
   ],
   "settings": {

src/test/demo-workspace/project-with-paths/src/index.js

@@ -0,0 +1 @@
+import { } from '@/foo/foo';

src/test/demo-workspace/project-with-paths/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  }
+}