[Medium] Swift: Using Javascript library - Generate JSContext

Generate_JSContext.swift

import JavaScriptCore

func generateJSContext() -> JSContext? {
    
    let context = JSContext()
    
    context?.evaluateScript("var console = { log: function(message) { _consoleLog(message) } }")
    
    let consoleLog: (String) -> Void = { message in
        print("JS Log: \(message)")
    }
    context?.setObject(consoleLog, forKeyedSubscript: "_consoleLog" as NSCopying & NSObjectProtocol)
    
    context?.exceptionHandler = { context, exception in
        print("JS Error: \(exception.debugDescription)")
    }
    
    return context
    
}