fix(generate): Replace + with \x00 (#10)

BREAKING CHANGE: This change will result in new names being generated, particularly those using [hash]. You will need to upgrade to css-loader >= 4 if you are wanting to keep the classes in sync.

index.js

@@ -34,7 +34,7 @@ module.exports = function createGenerator(pattern, options) {
       content:
         hashPrefix +
         path.relative(context, filepath).replace(/\\/g, "/") +
-        "+" +
+        "\x00" +
         localName,
       context: context
     };

package.json

@@ -26,6 +26,6 @@
     "tape": "^4.6.2"
   },
   "dependencies": {
-    "loader-utils": "^1.1.0"
+    "loader-utils": "^2.0.0"
   }
 }

test/index.js

@@ -11,7 +11,7 @@ test("use `cwd` if no context was provided", t => {
 
   t.equal(
     generate("foo", path.join(__dirname, "test/case/source.css")),
-    "source__foo___3D34a"
+    "source__foo___2e6d7"
   );
   t.end();
 });
@@ -23,7 +23,7 @@ test("generate distinct hash for the provided context", t => {
 
   t.equal(
     generate("foo", path.join(__dirname, "test/case/source.css")),
-    "source__foo___19xFw"
+    "source__foo___22-0m"
   );
   t.end();
 });
@@ -36,7 +36,7 @@ test("generate distinct hash for the provided hashPrefix", t => {
 
   t.equal(
     generate("foo", path.join(__dirname, "test/case/source.css")),
-    "source__foo___3T0Un"
+    "source__foo___1rt0M"
   );
   t.end();
 });