fix: fix ava css module stub

Author: 3cp

aurelia/test__if_jest_or_ava/setup.ext

@@ -8,8 +8,13 @@ Options.relativeToDir = path.join(__dirname, '..', 'src');
 import {globalize} from 'aurelia-pal-nodejs';
 globalize();
 // @if ava
+
 // ignore css modules
-require.extensions['.css'] = () => '';
-require.extensions['.less'] = () => '';
-require.extensions['.scss'] = () => '';
+function skipCSS(module) {
+  module.exports = '';
+}
+
+require.extensions['.css'] = skipCSS;
+require.extensions['.less'] = skipCSS;
+require.extensions['.scss'] = skipCSS;
 // @endif

react/test/setup.ext

@@ -3,8 +3,13 @@
 import 'regenerator-runtime/runtime';
 // @endif
 // @if ava
+
 // ignore css modules
-require.extensions['.css'] = () => '';
-require.extensions['.less'] = () => '';
-require.extensions['.scss'] = () => '';
+function skipCSS(module) {
+  module.exports = '';
+}
+
+require.extensions['.css'] = skipCSS;
+require.extensions['.less'] = skipCSS;
+require.extensions['.scss'] = skipCSS;
 // @endif

vue/test/setup.ext

@@ -3,8 +3,13 @@
 import 'regenerator-runtime/runtime';
 // @endif
 // @if ava
+
 // ignore css modules
-require.extensions['.css'] = () => '';
-require.extensions['.less'] = () => '';
-require.extensions['.scss'] = () => '';
+function skipCSS(module) {
+  module.exports = '';
+}
+
+require.extensions['.css'] = skipCSS;
+require.extensions['.less'] = skipCSS;
+require.extensions['.scss'] = skipCSS;
 // @endif