55 lines
1.7 KiB
Ruby
55 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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# name: lazy-yt
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# about: Uses the lazyYT plugin to lazy load Youtube videos
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# version: 1.0.1
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# authors: Arpit Jalan
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# url: https://github.com/discourse/discourse/tree/master/plugins/lazy-yt
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hide_plugin if self.respond_to?(:hide_plugin)
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# javascript
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register_asset "javascripts/lazyYT.js"
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# stylesheet
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register_asset "stylesheets/lazyYT.css"
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register_asset "stylesheets/lazyYT_mobile.scss", :mobile
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# freedom patch YouTube Onebox
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class Onebox::Engine::YoutubeOnebox
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include Onebox::Engine
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alias_method :yt_onebox_to_html, :to_html
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def to_html
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if video_id && !params['list']
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video_width = (params['width'] && params['width'].to_i <= 695) ? params['width'] : 480 # embed width
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video_height = (params['height'] && params['height'].to_i <= 500) ? params['height'] : 270 # embed height
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# Put in the LazyYT div instead of the iframe
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escaped_title = ERB::Util.html_escape(video_title)
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"<div class=\"lazyYT\" data-youtube-id=\"#{video_id}\" data-youtube-title=\"#{escaped_title}\" data-width=\"#{video_width}\" data-height=\"#{video_height}\" data-parameters=\"#{embed_params}\"></div>"
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else
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yt_onebox_to_html
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end
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end
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end
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after_initialize do
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on(:reduce_cooked) do |fragment|
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fragment.css(".lazyYT").each do |yt|
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begin
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youtube_id = yt["data-youtube-id"]
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parameters = yt["data-parameters"]
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uri = URI("https://www.youtube.com/embed/#{youtube_id}?autoplay=1&#{parameters}")
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yt.replace %{<p><a href="#{uri.to_s}">https://#{uri.host}#{uri.path}</a></p>}
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rescue URI::InvalidURIError
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# remove any invalid/weird URIs
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yt.remove
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end
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end
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end
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end
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