Add support for baseUrl

packages/tsconfck/src/parse.js

@@ -135,7 +135,11 @@ async function parseFile(tsconfigFile, cache, skipCache) {
  */
 function normalizeTSConfig(tsconfig, dir) {
 	// set baseUrl to absolute path
-	if (tsconfig.compilerOptions?.baseUrl && !path.isAbsolute(tsconfig.compilerOptions.baseUrl)) {
+	if (
+		tsconfig.compilerOptions?.baseUrl &&
+		!tsconfig.compilerOptions.baseUrl.startsWith('${configDir}') &&
+		!path.isAbsolute(tsconfig.compilerOptions.baseUrl)
+	) {
 		tsconfig.compilerOptions.baseUrl = resolve2posix(dir, tsconfig.compilerOptions.baseUrl);
 	}
 

packages/tsconfck/tests/fixtures/parse/valid/configDir/tsconfig.base.json

@@ -5,6 +5,7 @@
     "paths": {
       "$src": ["${configDir}/src/**/*"]
     },
+    "baseUrl": "${configDir}/src",
     "outDir": "${configDir}/build"
   }
 }

packages/tsconfck/tests/snapshots/parse/valid/configDir/a/tsconfig.json.parse-native.json

@@ -14,6 +14,7 @@
 				"<fixture-dir>/parse/valid/configDir/a/src/**/*"
 			]
 		},
+		"baseUrl": "<fixture-dir>/parse/valid/configDir/a/src",
 		"outDir": "<fixture-dir>/parse/valid/configDir/a/build"
 	}
 }

packages/tsconfck/tests/snapshots/parse/valid/configDir/a/tsconfig.json.parse.json

@@ -14,6 +14,7 @@
 				"<fixture-dir>/parse/valid/configDir/a/src/**/*"
 			]
 		},
+		"baseUrl": "<fixture-dir>/parse/valid/configDir/a/src",
 		"outDir": "<fixture-dir>/parse/valid/configDir/a/build"
 	}
 }

packages/tsconfck/tests/snapshots/parse/valid/configDir/b/tsconfig.json.parse-native.json

@@ -14,6 +14,7 @@
 				"<fixture-dir>/parse/valid/configDir/b/src/**/*"
 			]
 		},
+		"baseUrl": "<fixture-dir>/parse/valid/configDir/b/src",
 		"outDir": "<fixture-dir>/parse/valid/configDir/b/build"
 	}
 }

packages/tsconfck/tests/snapshots/parse/valid/configDir/b/tsconfig.json.parse.json

@@ -14,6 +14,7 @@
 				"<fixture-dir>/parse/valid/configDir/b/src/**/*"
 			]
 		},
+		"baseUrl": "<fixture-dir>/parse/valid/configDir/b/src",
 		"outDir": "<fixture-dir>/parse/valid/configDir/b/build"
 	}
 }