Merge pull request #41 from vitonsky/38-paths-from-jsconfig-are-not-includes

feat: use jsconfig if no tsconfig found

Author: vitonsky

.eslintrc

@@ -36,7 +36,8 @@
 				"ignoreRequire": true,
 				"lang": "en_US",
 				"skipWords": [
-					"tsconfig"
+					"tsconfig",
+					"jsconfig"
 				],
 				// Check if word contains numbers
 				"skipIfMatch": [

jsconfig.json

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

src/rules/alias.ts

@@ -24,9 +24,18 @@ function findAlias(
 	filePath: string,
 	ignoredPaths: string[] = [],
 ) {
-	if (fs.existsSync(path.join(baseDir, 'tsconfig.json'))) {
+	const isTsconfigExists = fs.existsSync(path.join(baseDir, 'tsconfig.json'));
+	const isJsconfigExists = fs.existsSync(path.join(baseDir, 'jsconfig.json'));
+
+	const configFile = isTsconfigExists
+		? 'tsconfig.json'
+		: isJsconfigExists
+			? 'jsconfig.json'
+			: null;
+
+	if (configFile) {
 		const tsconfig = JSON.parse(
-			fs.readFileSync(path.join(baseDir, 'tsconfig.json')).toString('utf8'),
+			fs.readFileSync(path.join(baseDir, configFile)).toString('utf8'),
 		);
 
 		const paths: Record<string, string[]> = tsconfig?.compilerOptions?.paths ?? {};