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Diffstat (limited to 'src/components/emoji-input/suggestor.js')
| -rw-r--r-- | src/components/emoji-input/suggestor.js | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/src/components/emoji-input/suggestor.js b/src/components/emoji-input/suggestor.js deleted file mode 100644 index aec5c39d..00000000 --- a/src/components/emoji-input/suggestor.js +++ /dev/null @@ -1,94 +0,0 @@ -import { debounce } from 'lodash' -/** - * suggest - generates a suggestor function to be used by emoji-input - * data: object providing source information for specific types of suggestions: - * data.emoji - optional, an array of all emoji available i.e. - * (state.instance.emoji + state.instance.customEmoji) - * data.users - optional, an array of all known users - * updateUsersList - optional, a function to search and append to users - * - * Depending on data present one or both (or none) can be present, so if field - * doesn't support user linking you can just provide only emoji. - */ - -const debounceUserSearch = debounce((data, input) => { - data.updateUsersList(input) -}, 500, { leading: true, trailing: false }) - -export default data => input => { - const firstChar = input[0] - if (firstChar === ':' && data.emoji) { - return suggestEmoji(data.emoji)(input) - } - if (firstChar === '@' && data.users) { - return suggestUsers(data)(input) - } - return [] -} - -export const suggestEmoji = emojis => input => { - const noPrefix = input.toLowerCase().substr(1) - return emojis - .filter(({ displayText }) => displayText.toLowerCase().startsWith(noPrefix)) - .sort((a, b) => { - let aScore = 0 - let bScore = 0 - - // Make custom emojis a priority - aScore += a.imageUrl ? 10 : 0 - bScore += b.imageUrl ? 10 : 0 - - // Sort alphabetically - const alphabetically = a.displayText > b.displayText ? 1 : -1 - - return bScore - aScore + alphabetically - }) -} - -export const suggestUsers = data => input => { - const noPrefix = input.toLowerCase().substr(1) - const users = data.users - - const newUsers = users.filter( - user => - user.screen_name.toLowerCase().startsWith(noPrefix) || - user.name.toLowerCase().startsWith(noPrefix) - - /* taking only 20 results so that sorting is a bit cheaper, we display - * only 5 anyway. could be inaccurate, but we ideally we should query - * backend anyway - */ - ).slice(0, 20).sort((a, b) => { - let aScore = 0 - let bScore = 0 - - // Matches on screen name (i.e. user@instance) makes a priority - aScore += a.screen_name.toLowerCase().startsWith(noPrefix) ? 2 : 0 - bScore += b.screen_name.toLowerCase().startsWith(noPrefix) ? 2 : 0 - - // Matches on name takes second priority - aScore += a.name.toLowerCase().startsWith(noPrefix) ? 1 : 0 - bScore += b.name.toLowerCase().startsWith(noPrefix) ? 1 : 0 - - const diff = (bScore - aScore) * 10 - - // Then sort alphabetically - const nameAlphabetically = a.name > b.name ? 1 : -1 - const screenNameAlphabetically = a.screen_name > b.screen_name ? 1 : -1 - - return diff + nameAlphabetically + screenNameAlphabetically - /* eslint-disable camelcase */ - }).map(({ screen_name, name, profile_image_url_original }) => ({ - displayText: screen_name, - detailText: name, - imageUrl: profile_image_url_original, - replacement: '@' + screen_name + ' ' - })) - - // BE search users if there are no matches - if (newUsers.length === 0 && data.updateUsersList) { - debounceUserSearch(data, noPrefix) - } - return newUsers - /* eslint-enable camelcase */ -} |
