Example of using jbox with shiny

jbox.R

# UI 

tags$script(
      src = paste0(
        "https://cdn.jsdelivr.net/gh/StephanWagner/",
        "jBox@v1.2.0/dist/jBox.all.min.js"
      )
    ),
    tags$link(
      rel = "stylesheet",
      href = paste0(
        "https://cdn.jsdelivr.net/gh/StephanWagner/",
        "jBox@v1.2.0/dist/jBox.all.min.css"
      )
    ),
   tags$script(
      "
      Shiny.addCustomMessageHandler(
      type = 'send-notice', function(message) {
        new jBox('Notice', {
          content: message,
          showCountdown: true,
          autoClose: 4000,
          color: 'blue',
          stack: false
      });
    });
    Shiny.addCustomMessageHandler(
      type = 'success-notice', function(message) {
        new jBox('Notice', {
          id: 'success',      
          content: message,
          autoClose: 4000,
          color: 'green',
          stack: false
      });
    });
    Shiny.addCustomMessageHandler(
      type = 'fail-notice', function(message) {
        new jBox('Notice', {
          id: 'fail',      
          content: message,
          autoClose: 3000,
          color: 'red',
          stack: false
      });
    });
    Shiny.addCustomMessageHandler(
      type = 'load-notice', function(message) {
        new jBox('Notice', {
          id: 'loading',      
          content: message,
          closeButton:true,
          autoClose:false,
          color: 'blue',
          stack: false,
          responsiveHeight:true,
          animation: 'slide'
      });
    });
     Shiny.addCustomMessageHandler(
    'resetValue', function(variableName) {
      Shiny.onInputChange(variableName, null);
    });
    "
    )
  )

# Server 

session$sendCustomMessage(
      type = "load-notice",
      message = "loading..."
    )