R | ECharts | logo, title and background, CORS issues

rich.colors.R

library(echarty)
radial_gradient <- htmlwidgets::JS(
  "new echarts.graphic.RadialGradient(0.3, 0.3, 0.8)"
  #  ,[{ offset: 0, color: 'red'}, { offset: 1, color: 'red'}])"
)
color_stops <- htmlwidgets::JS(
  "[{ offset: 0, color:'gold' }, // color at 0% 
    { offset: 0.5, color:'MediumSlateBlue' }, // color at 50%
    { offset: 1, color:'skyblue' // color at 100%
  }]"
)
ec.init(title=list(
  text='{a| } {b|🢀 here is the logo}', 
  textStyle = list(
    rich=list( 
      a= list(height=30, backgroundColor=list(
        image='http://simpleicon.com/wp-content/uploads/glass-64x64.png')),
      b= list( color='teal', fontSize= 24, fontWeight= 400))
  ) ), 
  backgroundColor = list(type = "radial",
     x = 0.5, y = 0.5, r = 0.5,
     backgroundColor = radial_gradient,
     colorStops = color_stops )
)

Good news! Thanks a lot!