Added navigation plugin

Summary: Adding the auto-genrated scarf files from creating the Flipper navigation plugin. GK for this plugin is flipper-navigation.

Reviewed By: jknoxville, danielbuechele

Differential Revision: D16119841

fbshipit-source-id: 74e19c82dc95e73fe2ae06d1eb8cef2456b81931

android/src/test/java/com/facebook/flipper/plugins/navigation/NavigationFlipperPluginTest.java

@@ -0,0 +1,37 @@
+/*
+ *  Copyright (c) 2018-present, Facebook, Inc.
+ *
+ *  This source code is licensed under the MIT license found in the LICENSE
+ *  file in the root directory of this source tree.
+ *
+ */
+package com.facebook.flipper.plugins.navigation;
+
+import static org.hamcrest.CoreMatchers.hasItem;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import com.facebook.flipper.core.FlipperObject;
+import com.facebook.flipper.testing.FlipperConnectionMock;
+import com.facebook.flipper.testing.FlipperResponderMock;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class NavigationFlipperPluginTest {
+  @Test
+  public void greetingTest() throws Exception {
+    final NavigationFlipperPlugin plugin = new NavigationFlipperPlugin();
+    final FlipperConnectionMock connection = new FlipperConnectionMock();
+    final FlipperResponderMock responder = new FlipperResponderMock();
+
+    plugin.onConnect(connection);
+    connection.receivers.get("greet").onReceive(null, responder);
+
+    assertThat(
+        responder.successes, hasItem(new FlipperObject.Builder().put("greeting", "Hello").build()));
+  }
+}
+
+/* @scarf-info: do not remove, more info: https://fburl.com/scarf */
+/* @scarf-generated: flipper-plugin android/test/PluginTest.java 0bfa32e5-fb15-4705-81f8-86260a1f3f8e */

src/plugins/navigation/index.js

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+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ * @flow strict-local
+ */
+
+import {FlipperPlugin, FlexColumn} from 'flipper';
+
+type State = {||};
+
+type Data = {||};
+
+type PersistedState = {|
+  data: Array<Data>,
+|};
+
+export default class extends FlipperPlugin<State, {}, PersistedState> {
+  static title = 'Navigation';
+  static id = 'Navigation';
+  static icon = 'directions';
+  static keyboardActions = ['clear'];
+
+  static defaultPersistedState: PersistedState = {
+    data: [],
+  };
+
+  static persistedStateReducer = (
+    persistedState: PersistedState,
+    method: string,
+    data: Data,
+  ): $Shape<PersistedState> => {
+    return {
+      ...persistedState,
+      data: persistedState.data.concat([data]),
+    };
+  };
+
+  onKeyboardAction = (action: string) => {
+    if (action === 'clear') {
+      this.props.setPersistedState({data: []});
+    }
+  };
+
+  render() {
+    return (
+      <FlexColumn>
+        {this.props.persistedState.data.map((d, i) => (
+          <div key={i}>{JSON.stringify(d)}</div>
+        ))}
+      </FlexColumn>
+    );
+  }
+}
+
+/* @scarf-info: do not remove, more info: https://fburl.com/scarf */
+/* @scarf-generated: flipper-plugin index.js.template 0bfa32e5-fb15-4705-81f8-86260a1f3f8e */

src/plugins/navigation/package.json

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+{
+    "name": "flipper-plugin-navigation",
+    "version": "0.0.1",
+    "main": "index.js",
+    "license": "MIT",
+    "gatekeeper": "flipper_navigation",
+    "title": "Navigation",
+    "icon": "directions",
+    "bugs": {
+      "email": "beneloca@fb.com"
+    }
+  }