just another inlet to tributary

inlet.js

width = 527
height = 145


rect = g.append("rect").attr("width",width).attr("height",height).attr("fill","none")
text = g.append("text").text("Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo. Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit, sed quia non numquam eius modi tempora incidunt ut labore et dolore magnam aliquam quaerat voluptatem. Ut enim ad minima veniam, quis nostrum exercitationem ullam corporis suscipit laboriosam, nisi ut aliquid ex ea commodi consequatur? Quis autem vel eum iure reprehenderit qui in ea voluptate velit esse quam nihil molestiae consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla pariatur?")
		.attr("dominant-baseline","text-before-edge")

wrapGroupInMaskWidthFadeOut = (box,selection) =>
  
  height = parseInt(box.attr("height"))
  
  defs = d3.select("svg").append("defs")
  
  gradient = defs.append('linearGradient')
      .attr('id','fadeout')
      .attr('gradientUnits','userSpaceOnUse')
      .attr('x1','0%')
      .attr('x2','0%')
      .attr('y1','0%')
      .attr('y2',height)
   
  gradient.append('stop')
      .attr('stop-color',"#FFFFFF")
      .attr('offset',80+'%')
      
  gradient.append('stop')
      .attr('stop-color',"#FFFFFF")
      .attr('offset',85+'%')
  
  
  gradient.append('stop')
      .attr('stop-color',"#000000")
      .attr('offset',100+'%')    
          
  mask = defs.append("mask").attr("id","fadeOutMask")
  
  mask.append("rect").attr("width",width).attr("height",height).attr("fill","url(#fadeout)")
  
  new_group = g.append("g").attr("mask","url(#fadeOutMask)")
  elem = selection.node().cloneNode(true)
    
  selection.remove()
  new_group.node().appendChild(elem)
  
  return new_group

wrapTextToBoxWidth = (box,text,line_height = 22,padding=90) =>
        
        width  = parseInt(box.attr("width"))
        height = parseInt(box.attr("height"))
		
        text_string = text.text()
        text.text("") #Empty the old text
        test_text_container = box.append("text").attr("fill", "none")
        
        textArray  = text_string.split(" ")
        tspan      = text.append("tspan")
        tspan_copy = test_text_container.append("tspan")
        textSoFar  = undefined
        
        for i of textArray
          
          textLength = tspan.node().getComputedTextLength()
          
          if textLength >= (width - padding)
            
            tspan = text.append("tspan").attr("dy", line_height).attr("x", 0)
          
          else
            
            textSoFar = tspan.text()
            tspan_copy.text textSoFar + " " + textArray[i]
            textLength_of_check_container = tspan_copy.node().getComputedTextLength()
            
            if textLength_of_check_container > width
              
              tspan = text.append("tspan").attr("dy", line_height).attr("x", 0)
              textSoFar = tspan.text()
              tspan.text textSoFar + " " + textArray[i]
              tspan_copy.text ""
            
            else
              
              textSoFar = tspan.text()
              tspan.text textSoFar + " " + textArray[i]

        test_text_container.remove()
        return text
          
text = wrapTextToBoxWidth(rect, text) 
wrapGroupInMaskWidthFadeOut(rect,text)