First commit

BrainJSReactNative/.gitignore

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+/node_modules

BrainJSReactNative/BrainJSReactNativeExampleApp/.babelrc

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+{
+  "presets": ["react-native"]
+}

BrainJSReactNative/BrainJSReactNativeExampleApp/.buckconfig

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+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

BrainJSReactNative/BrainJSReactNativeExampleApp/.flowconfig

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+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore unexpected extra "@providesModule"
+.*/node_modules/.*/node_modules/fbjs/.*
+
+; Ignore duplicate module providers
+; For RN Apps installed via npm, "Libraries" folder is inside
+; "node_modules/react-native" but in the source repo it is in the root
+.*/Libraries/react-native/React.js
+
+; Ignore polyfills
+.*/Libraries/polyfills/.*
+
+; Ignore metro
+.*/node_modules/metro/.*
+
+[include]
+
+[libs]
+node_modules/react-native/Libraries/react-native/react-native-interface.js
+node_modules/react-native/flow/
+node_modules/react-native/flow-github/
+
+[options]
+emoji=true
+
+module.system=haste
+
+munge_underscores=true
+
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
+
+module.file_ext=.js
+module.file_ext=.jsx
+module.file_ext=.json
+module.file_ext=.native.js
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[version]
+^0.65.0

BrainJSReactNative/BrainJSReactNativeExampleApp/.gitattributes

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+*.pbxproj -text

BrainJSReactNative/BrainJSReactNativeExampleApp/.gitignore

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+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots

BrainJSReactNative/BrainJSReactNativeExampleApp/.watchmanconfig

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+{}

BrainJSReactNative/BrainJSReactNativeExampleApp/App.js

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+import React, { Component } from 'react';
+import {
+  Platform,
+  StyleSheet,
+  Text,
+  View,
+  TextInput,
+  TouchableOpacity
+} from 'react-native';
+import classify from './Services/classify-service.js'
+import Header from './Components/header.js'
+
+export default class App extends Component {
+
+  constructor() {
+    super()
+
+    this.state = {
+      DrakeResult:"",
+      EminemResult:"",
+      DrakeResultColor:"lightgreen",
+      EminemResultColor:"red",
+      resultShow:0
+   }
+  }
+
+  ClassifyText = () => {
+
+    let drakesScore = classify.classifyLyrics(this.state.lyrics)
+    let eminmeScore = classify.classifyLyrics(this.state.lyrics)
+
+    if(drakesScore === NaN || drakesScore === null || eminmeScore === NaN || eminmeScore === null) {
+      this.setState({
+        DrakeResult:"Unable to determine confidence level.",
+        EminemResult:"Unable to determine confidence level.",
+        resultShow:100
+      })
+      return;
+    }
+
+    if(drakesScore > eminmeScore) {
+      this.setState({
+        DrakeResultColor:'lightgreen',
+        EminemResultColor:'red'
+      })
+    } else {
+      this.setState({
+        DrakeResultColor:'red',
+        EminemResultColor:'lightgreen'
+      })
+    }
+
+    this.setState({
+      DrakeResult:classify.classifyLyrics(this.state.lyrics).Drake,
+      EminemResult:classify.classifyLyrics(this.state.lyrics).Eminem,
+      resultShow:100
+    })
+  }
+
+  render() {
+    return (
+      <View style={styles.container}>
+      <Header />
+      <Text style={styles.inputLyricsTextLable}>Input Lyrics:</Text>
+      <TextInput
+        style={{height: 150, borderColor: '#F3DF4A', borderWidth: 2}}
+        onChangeText={(lyrics) => this.setState({lyrics})}
+        multiline = {true}
+      />
+      <TouchableOpacity
+          style={styles.classifyBtnStyle}
+          onPress={() => this.ClassifyText()}
+          underlayColor='#F3DF4A'>
+          <Text style={styles.classifyTextStyle}>Classify</Text>
+      </TouchableOpacity>
+
+      <Text style={{
+        fontSize:16,
+        fontWeight:"bold",
+        textAlign:"center",
+        marginTop:"10%",
+        marginTop:50,
+        paddingTop:10,
+        paddingBottom:10,
+        backgroundColor:this.state.DrakeResultColor,
+        opacity:this.state.resultShow
+      }}>
+        Drake: {this.state.DrakeResult}
+      </Text>
+      <Text style={{
+        fontSize:16,
+        fontWeight:"bold",
+        textAlign:"center",
+        paddingTop:10,
+        paddingBottom:10,
+        backgroundColor:this.state.EminemResultColor,
+        opacity:this.state.resultShow
+      }}>
+        Eminem: {this.state.EminemResult}
+      </Text>
+      </View>
+    );
+  }
+}
+
+const styles = StyleSheet.create({
+  container: {
+  },
+  inputLyricsTextLable: {
+    fontWeight:"bold",
+    fontSize:16,
+    textAlign:"center",
+    marginTop:"35%",
+    marginBottom:"5%"
+  },
+  classifyBtnStyle: {
+    marginRight:40,
+    marginLeft:40,
+    marginTop:10,
+    paddingTop:10,
+    paddingBottom:10,
+    backgroundColor:'#F3DF4A',
+    borderRadius:10,
+    borderWidth: 1,
+    borderColor: '#fff'
+  },
+  classifyTextStyle: {
+    fontSize:16,
+    fontWeight:"bold",
+    textAlign:"center"
+  }
+});

BrainJSReactNative/BrainJSReactNativeExampleApp/Components/header.js

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+import React, { Component } from 'react';
+import {
+  Platform,
+  StyleSheet,
+  Text,
+  View
+} from 'react-native';
+
+export class Header extends Component {
+    render() {
+        return(
+            <View>
+                <Text style={styleSheet.header}>brain.js 🤖 - React Native Example</Text>
+            </View>
+        )
+    }
+}
+
+const styleSheet = StyleSheet.create({
+    header: {
+        backgroundColor: "#F3DF4A",
+        padding:"10%",
+        flex:1,
+        fontWeight:"bold",
+        fontSize:16,
+        textAlign:"center"
+    }
+})
+
+export default Header;

BrainJSReactNative/BrainJSReactNativeExampleApp/Services/classify-service.js

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+const brain = require('brain.js')
+const json = require('./trained-model')
+
+export default classify = {
+
+classifyLyrics(inputText) {
+
+if(inputText == undefined || inputText == null) {
+    return null;
+}
+
+//credit - Daniel Simmons - https://itnext.io/you-can-build-a-neural-network-in-javascript-even-if-you-dont-really-understand-neural-networks-e63e12713a3
+
+let trainedNet;
+
+var net = new brain.NeuralNetwork()
+
+net.fromJSON(
+    json
+);
+
+function encode(arg) {
+    return arg.split('').map(x => (x.charCodeAt(0) / 256));
+}
+    let results = net.run(encode(inputText));
+    return results
+  }
+}

BrainJSReactNative/BrainJSReactNativeExampleApp/__tests__/App.js

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+import 'react-native';
+import React from 'react';
+import App from '../App';
+
+// Note: test renderer must be required after react-native.
+import renderer from 'react-test-renderer';
+
+it('renders correctly', () => {
+  const tree = renderer.create(
+    <App />
+  );
+});