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Fix some link anchors being recognized as hashtags (#27271)

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Claire 2023-10-23 14:19:38 +02:00 committed by GitHub
parent 53fd28b889
commit bcae744275
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2 changed files with 16 additions and 12 deletions
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2
app/models/tag.rb
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@ -35,7 +35,7 @@ class Tag < ApplicationRecord
HASHTAG_LAST_SEQUENCE = '([[:word:]_]*[[:alpha:]][[:word:]_]*)'
HASHTAG_NAME_PAT = "#{HASHTAG_FIRST_SEQUENCE}|#{HASHTAG_LAST_SEQUENCE}"
HASHTAG_RE = %r{(?:^|[^/)\w])#(#{HASHTAG_NAME_PAT})}i
HASHTAG_RE = %r{(?<![=/)[:word]])#(#{HASHTAG_NAME_PAT})}i
HASHTAG_NAME_RE = /\A(#{HASHTAG_NAME_PAT})\z/i
HASHTAG_INVALID_CHARS_RE = /[^[:alnum:]#{HASHTAG_SEPARATORS}]/

4
spec/models/tag_spec.rb
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@ -32,6 +32,10 @@ RSpec.describe Tag do
expect(subject.match('https://en.wikipedia.org/wiki/Ghostbusters_(song)#Lawsuit')).to be_nil
end
it 'does not match URLs with hashtag-like anchors after an empty query parameter' do
expect(subject.match('https://en.wikipedia.org/wiki/Ghostbusters_(song)?foo=#Lawsuit')).to be_nil
end
it 'matches #ａｅｓｔｈｅｔｉｃ' do
expect(subject.match('this is #ａｅｓｔｈｅｔｉｃ').to_s).to eq '#ａｅｓｔｈｅｔｉｃ'
end