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fix regex shortcode problem

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This commit is contained in:
Henry Jameson 2019-09-30 23:45:03 +03:00
parent aadd36f3ec
commit a2923570c3
2 changed files with 14 additions and 1 deletions
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4
src/services/entity_normalizer/entity_normalizer.service.js
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@ -196,9 +196,11 @@ export const parseAttachment = (data) => {
return output
}
export const addEmojis = (string, emojis) => {
const matchOperatorsRegex = /[|\\{}()[\]^$+*?.-]/g
return emojis.reduce((acc, emoji) => {
const regexSafeShortCode = emoji.shortcode.replace(matchOperatorsRegex, '\\$&')
return acc.replace(
new RegExp(`:${emoji.shortcode}:`, 'g'),
new RegExp(`:${regexSafeShortCode}:`, 'g'),
`<img src='${emoji.url}' alt='${emoji.shortcode}' title='${emoji.shortcode}' class='emoji' />`
)
}, string)

11
test/unit/specs/services/entity_normalizer/entity_normalizer.spec.js
View file

@ -345,5 +345,16 @@ describe('API Entities normalizer', () => {
const result = addEmojis('Admin add the :tenshi: emoji', emojis)
expect(result).to.equal('Admin add the :tenshi: emoji')
})
it('Doesn\'t blow up on regex special characters', () => {
const emojis = makeMockEmojiMasto([{
shortcode: 'c++'
}, {
shortcode: '[a-z] {|}*'
}])
const result = addEmojis('This post has :c++: emoji and :[a-z] {|}*: emoji', emojis)
expect(result).to.include('title=\'c++\'')
expect(result).to.include('title=\'[a-z] {|}*\'')
})
})
})