Allow exceptions to be propagated (#15)

src/index.js

@@ -2,8 +2,6 @@
 
 const pkgDir = require('pkg-dir');
 
-try {
+const packageDir = pkgDir.sync();
-	module.exports = require(pkgDir.sync());
+
-} catch (err) {
+module.exports = packageDir === null ? undefined : require(packageDir);
-	module.exports = undefined;
-}

test/exceptions.js

@@ -0,0 +1,14 @@
+import test from 'ava';
+
+const cwd = process.cwd();
+const pkgPath = require.resolve('../');
+
+test.afterEach.always(() => {
+	process.chdir(cwd);
+	delete require.cache[pkgPath];
+});
+
+test.serial(`throws exceptions`, t => {
+	process.chdir('test/helpers/package-with-exception');
+    t.throws(() => require(pkgPath));
+});

test/helpers/package-with-exception/index.js

@@ -0,0 +1 @@
+throw new Error('error');

test/helpers/package-with-exception/package.json

@@ -0,0 +1 @@
+{}