/
emoji-index.js
107 lines (81 loc) 路 2.43 KB
/
emoji-index.js
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import data from '../../data'
import { getSanitizedData, intersect } from '.'
var index = {}
var emojisList = {}
var emoticonsList = {}
for (let emoji in data.emojis) {
let emojiData = data.emojis[emoji],
{ short_names, emoticons } = emojiData,
id = short_names[0]
for (let emoticon of (emoticons || [])) {
if (!emoticonsList[emoticon]) {
emoticonsList[emoticon] = id
}
}
emojisList[id] = getSanitizedData(id)
}
function search(value, emojisToShowFilter = () => true, maxResults = 75) {
var results = null
if (value.length) {
var values = value.toLowerCase().split(/[\s|,|\-|_]+/),
allResults = []
if (values.length > 2) {
values = [values[0], values[1]]
}
allResults = values.map((value) => {
var aPool = data.emojis,
aIndex = index,
length = 0
if (value == '-' || value == '-1') {
return [emojisList['-1']]
}
for (let char of value.split('')) {
length++
aIndex[char] || (aIndex[char] = {})
aIndex = aIndex[char]
if (!aIndex.results) {
let scores = {}
aIndex.results = []
aIndex.pool = {}
for (let id in aPool) {
let emoji = aPool[id],
{ search } = emoji,
sub = value.substr(0, length),
subIndex = search.indexOf(sub)
if (subIndex != -1) {
let score = subIndex + 1
if (sub == id) score = 0
aIndex.results.push(emojisList[id])
aIndex.pool[id] = emoji
scores[id] = score
}
}
aIndex.results.sort((a, b) => {
var aScore = scores[a.id],
bScore = scores[b.id]
return aScore - bScore
})
}
aPool = aIndex.pool
}
return aIndex.results
}).filter(a => a)
if (allResults.length > 1) {
results = intersect(...allResults)
} else if (allResults.length) {
results = allResults[0]
} else {
results = []
}
}
let filtered_results = null;
if (results) {
filtered_results = results.filter(
(result) => emojisToShowFilter(data.emojis[result.id].unified));
if (filtered_results && filtered_results.length) {
filtered_results = filtered_results.slice(0, maxResults)
}
}
return filtered_results
}
export default { search, emojis: emojisList, emoticons: emoticonsList }