22 lines
649 B
Ruby
22 lines
649 B
Ruby
module Jekyll
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class FileExistsTag < Liquid::Tag
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def initialize(tag_name, path, tokens)
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super
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@path = path
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end
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def render(context)
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# Pipe parameter through Liquid to make additional replacements possible
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url = Liquid::Template.parse(@path).render context
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# Adds the site source, so that it also works with a custom one
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site_source = context.registers[:site].config['source']
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file_path = site_source + '/' + url
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# Check if file exists (returns true or false)
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"#{File.exist?(file_path.strip!)}"
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end
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end
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end
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Liquid::Template.register_tag('file_exists', Jekyll::FileExistsTag) |