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# File 'lib/jekyll-before-after.rb', line 7
def call(doc)
return if doc.output.nil? || !doc.output.include?("<img-comparison-slider>")
return if doc.output.include?("<!-- img-comparison-slider-injected -->")
script = " <!-- img-comparison-slider-injected -->\n <script type=\"module\" src=\"https://unpkg.com/img-comparison-slider@7/dist/index.js\"></script>\n <link rel=\"stylesheet\" href=\"https://unpkg.com/img-comparison-slider@7/dist/styles.css\">\n HTML\n\n doc.output.sub!(\"</head>\", \"\#{script}</head>\")\nend\n"
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