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Treat meta[property] as a space-separated list (#10604)

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The @property attribute in HTML is a space-separated list of values.
This change normalizes whitespace and finds the desired value in
the list instead of requiring an exact single-value match.

More details:
https://www.ctrl.blog/entry/rdfa-socialmedia-metadata.html
This commit is contained in:
Daniel Aleksandersen 2019-04-21 04:48:19 +02:00 committed by Eugen Rochko
parent 01b1c377b1
commit 10bdd912d6
1 changed files with 1 additions and 1 deletions
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2
app/services/fetch_link_card_service.rb
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@ -165,7 +165,7 @@ class FetchLinkCardService < BaseService
end
def meta_property(page, property)
page.at_xpath("//meta[@property=\"#{property}\"]")&.attribute('content')&.value || page.at_xpath("//meta[@name=\"#{property}\"]")&.attribute('content')&.value
page.at_xpath("//meta[contains(concat(' ', normalize-space(@property), ' '), ' #{property} ')]")&.attribute('content')&.value || page.at_xpath("//meta[@name=\"#{property}\"]")&.attribute('content')&.value
end
def lock_options