jfahrenkrug

import SwiftUI
import Combine

class ViewModel: ObservableObject {
    @Published var sentence = ""
}

struct ContentView: View {
    @ObservedObject var viewModel = ViewModel()
    

jfahrenkrug

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(

jfahrenkrug

const Sentiment = require('sentiment')

export class Analyzer {
    static analyze(phrase) {
        // Make sure nativeLog is defined and is a function
        if (typeof nativeLog === 'function') {
            nativeLog(`Analyzing '${phrase}'`)
        }

        let sentiment = new Sentiment()

jfahrenkrug

    private override init() {
        let jsCode = try? String.init(contentsOf: Bundle.main.url(forResource: "Sentimentalist.bundle", withExtension: "js")!)

        // The Swift closure needs @convention(block) because JSContext's setObject:forKeyedSubscript: method
        // expects an Objective-C compatible block in this instance.
        // For more information check out https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/Attributes.html#//apple_ref/doc/uid/TP40014097-CH35-ID350
        let nativeLog: @convention(block) (String) -> Void = { message in
            NSLog("JS Log: \(message)")
        }
        

jfahrenkrug

    /**
         Analyze the sentiment of a given English sentence.
 
         - Parameters:
             - sentence: The sentence to analyze
             - completion: The block to be called on the main thread upon completion
             - score: The sentiment score
     */
    func analyze(_ sentence: String, completion: @escaping (_ score: Int) -> Void) {
        // Run this asynchronously in the background

jfahrenkrug

let jsCode = try? String.init(contentsOf: Bundle.main.url(forResource: "Sentimentalist.bundle", withExtension: "js")!)

jfahrenkrug

var path = require('path')

module.exports = {
    mode: "production",
    entry: { Sentimentalist: "./index.js" },
    output: {
        path:  path.resolve(__dirname, "dist"),
        filename: "[name].bundle.js",
        library: "[name]",
        libraryTarget: "var"

jfahrenkrug

const Sentiment = require('sentiment')

export class Analyzer {
    static analyze(phrase) {
        let sentiment = new Sentiment()
        let result = sentiment.analyze(phrase)
        return result['score']
    }
}

jfahrenkrug

import UIKit

class ViewController: UIViewController {
    @IBOutlet weak var textField: UITextField!
    @IBOutlet weak var sentimentLabel: UILabel!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.sentimentLabel.text = SentimentAnalyzer.shared.emoji(forScore: 0)
    }

jfahrenkrug

import UIKit
import JavaScriptCore

/// An analyzer of sentiments
class SentimentAnalyzer: NSObject {
    /// Singleton instance. Much more resource-friendly than creating multiple new instances.
    static let shared = SentimentAnalyzer()
    private let vm = JSVirtualMachine()
    private let context: JSContext