Upgrade read-pkg to v4 (#7)

Author: dudeofawesome

index.js

@@ -1,4 +1,5 @@
 'use strict';
+const path = require('path');
 const findUp = require('find-up');
 const readPkg = require('read-pkg');
 
@@ -8,7 +9,8 @@ module.exports = options => {
 			return {};
 		}
 
-		return readPkg(fp, options).then(pkg => ({pkg, path: fp}));
+		return readPkg(Object.assign({}, options, {cwd: path.dirname(fp)}))
+			.then(pkg => ({pkg, path: fp}));
 	});
 };
 
@@ -20,7 +22,7 @@ module.exports.sync = options => {
 	}
 
 	return {
-		pkg: readPkg.sync(fp, options),
+		pkg: readPkg.sync(Object.assign({}, options, {cwd: path.dirname(fp)})),
 		path: fp
 	};
 };

package.json

@@ -48,7 +48,7 @@
 	],
 	"dependencies": {
 		"find-up": "^3.0.0",
-		"read-pkg": "^3.0.0"
+		"read-pkg": "^4.0.1"
 	},
 	"devDependencies": {
 		"ava": "*",

test.js

@@ -9,10 +9,18 @@ test('async', async t => {
 	const x = await m({cwd});
 	t.is(x.pkg.name, 'read-pkg-up');
 	t.is(x.path, pkgPath);
+
+	const y = await m({cwd: '/'});
+	t.is(y.pkg, undefined);
+	t.is(y.path, undefined);
 });
 
 test('sync', t => {
 	const x = m.sync({cwd});
 	t.is(x.pkg.name, 'read-pkg-up');
 	t.is(x.path, pkgPath);
+
+	const y = m.sync({cwd: '/'});
+	t.is(y.pkg, undefined);
+	t.is(y.path, undefined);
 });