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Fix hashtags being split by ZWNJ character (#11821)

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Fix #11761
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Eugen Rochko 2019-09-13 16:01:26 +02:00 committed by GitHub
parent 59da5ccb8e
commit 0762258aec
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2 changed files with 7 additions and 2 deletions
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5
app/models/tag.rb
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@ -25,8 +25,9 @@ class Tag < ApplicationRecord
has_many :featured_tags, dependent: :destroy, inverse_of: :tag
has_one :account_tag_stat, dependent: :destroy
HASHTAG_NAME_RE = '([[:word:]_][[:word:]_·]*[[:alpha:]_·][[:word:]_·]*[[:word:]_])|([[:word:]_]*[[:alpha:]][[:word:]_]*)'
HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
HASHTAG_SEPARATORS = "_\u00B7\u200c"
HASHTAG_NAME_RE = "([[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}][[:word:]#{HASHTAG_SEPARATORS}]*[[:word:]_])|([[:word:]_]*[[:alpha:]][[:word:]_]*)"
HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
validates :name, presence: true, format: { with: /\A(#{HASHTAG_NAME_RE})\z/i }
validate :validate_name_change, if: -> { !new_record? && name_changed? }

4
spec/models/tag_spec.rb
View file

@ -62,6 +62,10 @@ RSpec.describe Tag, type: :model do
expect(subject.match('hello #one·two·three').to_s).to eq ' #one·two·three'
end
it 'matches ZWNJ' do
expect(subject.match('just add #نرم‌افزار and').to_s).to eq ' #نرم‌افزار'
end
it 'does not match middle dots at the start' do
expect(subject.match('hello #·one·two·three')).to be_nil
end