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chart_js

  • 1.1.1
  • Rubygems
  • Socket score

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Chart JS

Chart JS is a simple yet flexible JavaScript charting library. This gem is a Ruby Domain Specific Language which allows you to easily build charts without touching a single line of JavaScript or HTML.

Installation

$ gem install chart_js

Usage

A simple example to generate a static html file.

require "chart_js"

ChartJS.line do
  file "example.html"
  data do
    labels ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
    dataset "Cats" do
      color :random
      data [12, 19, 3, 5, 2, 3]
    end 
    dataset "Dogs" do
      color :random
      data [10, 12, 3, 4, 5, 3]
    end 
  end
end

Web Framework Integration

chart_js plays well with others.

require "chart_js"
require "sinatra"

get "/" do
  chart = ChartJS.line do
    data do
      labels ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
      dataset "Cats" do
        color :random
        data [12, 19, 3, 5, 2, 3]
      end 
      dataset "Dogs" do
        color :random
        data [10, 12, 3, 4, 5, 3]
      end 
    end
  end
  chart.to_html
end

Screenshot

example

License

The gem is available as open source under the terms of the MIT License.

FAQs

Package last updated on 18 Jan 2020

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