Class: Shellfie::HtmlRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/shellfie/html_renderer.rb

Instance Method Summary collapse

Constructor Details

#initialize(config:, theme:) ⇒ HtmlRenderer

Returns a new instance of HtmlRenderer.



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# File 'lib/shellfie/html_renderer.rb', line 8

def initialize(config:, theme:)
  @config = config
  @svg_renderer = SvgRenderer.new(config: config, theme: theme)
end

Instance Method Details

#render(geometry, output_path, transparent: false) ⇒ Object 



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# File 'lib/shellfie/html_renderer.rb', line 13

def render(geometry, output_path, transparent: false)
  svg = @svg_renderer.to_svg(geometry, transparent: transparent).sub(/\A<\?xml[^>]+>\s*/, "")
  transcript = geometry[:lines].map { |line| line[:segments].map(&:text).join }.join("\n")
  File.write(output_path, <<~HTML)
    <!doctype html>
    <html lang="en">
    <head>
      <meta charset="utf-8">
      <meta name="viewport" content="width=device-width, initial-scale=1">
      <title>#{escape(@config.title)}</title>
      <style>
        :root { color-scheme: light dark; }
        :root[data-theme="light"] { color-scheme: light; }
        :root[data-theme="dark"] { color-scheme: dark; }
        body { margin: 0; display: grid; min-height: 100vh; place-items: center; background: Canvas; }
        main { max-width: 100%; overflow: auto; }
        button { position: fixed; inset: 1rem 1rem auto auto; font: inherit; }
        svg { display: block; max-width: 100%; height: auto; }
        .transcript { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: pre; }
      </style>
    </head>
    <body>
      <button type="button" aria-label="Toggle color theme">Theme</button>
      <main aria-label="#{escape(@config.title)}">#{svg}<pre class="transcript">#{escape(transcript)}</pre></main>
      <script>
        document.querySelector('button').addEventListener('click', () => {
          const root = document.documentElement;
          root.dataset.theme = root.dataset.theme === 'dark' ? 'light' : 'dark';
        });
      </script>
    </body>
    </html>
  HTML
end