SONAR-15028 Add HOC for C Language Feature flag

diff --git a/server/sonar-web/src/main/js/components/hoc/__tests__/withCLanguageFeature-test.tsx b/server/sonar-web/src/main/js/components/hoc/__tests__/withCLanguageFeature-test.tsx
new file mode 100644 (file)
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--- /dev/null
+++ b/server/sonar-web/src/main/js/components/hoc/__tests__/withCLanguageFeature-test.tsx
@@ -0,0 +1,39 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2021 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import { shallow } from 'enzyme';
+import * as React from 'react';
+import { mockStore } from '../../../helpers/testMocks';
+import { withCLanguageFeature } from '../withCLanguageFeature';
+
+class X extends React.Component<{ hasCLanguageFeature: boolean }> {
+  render() {
+    return <div />;
+  }
+}
+
+const UnderTest = withCLanguageFeature(X);
+
+it('should pass if C Language feature is available', () => {
+  const wrapper = shallow(<UnderTest />, {
+    context: { store: mockStore({ languages: { c: {} } }) }
+  });
+  expect(wrapper.dive().type()).toBe(X);
+  expect(wrapper.dive<X>().props().hasCLanguageFeature).toBe(true);
+});

diff --git a/server/sonar-web/src/main/js/components/hoc/withCLanguageFeature.tsx b/server/sonar-web/src/main/js/components/hoc/withCLanguageFeature.tsx
new file mode 100644 (file)
index 0000000..53ef252
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+++ b/server/sonar-web/src/main/js/components/hoc/withCLanguageFeature.tsx
@@ -0,0 +1,44 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2021 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import * as React from 'react';
+import { connect } from 'react-redux';
+import { getLanguages, Store } from '../../store/rootReducer';
+import { getWrappedDisplayName } from './utils';
+
+export function withCLanguageFeature<P>(
+  WrappedComponent: React.ComponentType<P & { hasCLanguageFeature: boolean }>
+) {
+  class Wrapper extends React.Component<P & { hasCLanguageFeature: boolean }> {
+    static displayName = getWrappedDisplayName(WrappedComponent, 'withCLanguageFeature');
+
+    render() {
+      return <WrappedComponent {...this.props} />;
+    }
+  }
+
+  function mapStateToProps(state: Store) {
+    const languages = getLanguages(state);
+    const hasCLanguageFeature = languages['c'] !== undefined;
+
+    return { hasCLanguageFeature };
+  }
+
+  return connect(mapStateToProps)(Wrapper);
+}