192 lines
4.7 KiB
JavaScript
192 lines
4.7 KiB
JavaScript
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import { getData, getSanitizedData, intersect } from '..'
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export default class NimbleEmojiIndex {
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constructor(data) {
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this.data = data || {}
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this.originalPool = {}
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this.index = {}
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this.emojis = {}
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this.emoticons = {}
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this.customEmojisList = []
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this.buildIndex()
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}
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buildIndex() {
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for (let emoji in this.data.emojis) {
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let emojiData = this.data.emojis[emoji],
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{ short_names, emoticons } = emojiData,
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id = short_names[0]
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if (emoticons) {
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emoticons.forEach((emoticon) => {
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if (this.emoticons[emoticon]) {
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return
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}
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this.emoticons[emoticon] = id
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})
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}
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this.emojis[id] = getSanitizedData(id, null, null, this.data)
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this.originalPool[id] = emojiData
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}
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}
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clearCustomEmojis(pool) {
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this.customEmojisList.forEach((emoji) => {
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let emojiId = emoji.id || emoji.short_names[0]
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delete pool[emojiId]
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delete emojisList[emojiId]
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})
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}
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addCustomToPool(custom, pool) {
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if (this.customEmojisList.length) this.clearCustomEmojis(pool)
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custom.forEach((emoji) => {
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let emojiId = emoji.id || emoji.short_names[0]
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if (emojiId && !pool[emojiId]) {
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pool[emojiId] = getData(emoji, null, null, this.data)
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this.emojis[emojiId] = getSanitizedData(emoji, null, null, this.data)
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}
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})
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this.customEmojisList = custom
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this.index = {}
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}
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search(
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value,
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{ emojisToShowFilter, maxResults, include, exclude, custom = [] } = {},
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) {
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if (this.customEmojisList != custom)
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this.addCustomToPool(custom, this.originalPool)
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maxResults || (maxResults = 75)
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include || (include = [])
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exclude || (exclude = [])
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var results = null,
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pool = this.originalPool
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if (value.length) {
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if (value == '-' || value == '-1') {
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return [this.emojis['-1']]
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}
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var values = value.toLowerCase().split(/[\s|,|\-|_]+/),
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allResults = []
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if (values.length > 2) {
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values = [values[0], values[1]]
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}
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if (include.length || exclude.length) {
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pool = {}
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this.data.categories.forEach((category) => {
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let isIncluded =
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include && include.length ? include.indexOf(category.id) > -1 : true
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let isExcluded =
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exclude && exclude.length
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? exclude.indexOf(category.id) > -1
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: false
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if (!isIncluded || isExcluded) {
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return
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}
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category.emojis.forEach(
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(emojiId) => (pool[emojiId] = this.data.emojis[emojiId]),
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)
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})
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if (custom.length) {
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let customIsIncluded =
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include && include.length ? include.indexOf('custom') > -1 : true
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let customIsExcluded =
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exclude && exclude.length ? exclude.indexOf('custom') > -1 : false
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if (customIsIncluded && !customIsExcluded) {
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this.addCustomToPool(custom, pool)
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}
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}
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}
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allResults = values
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.map((value) => {
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var aPool = pool,
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aIndex = this.index,
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length = 0
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for (let charIndex = 0; charIndex < value.length; charIndex++) {
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const char = value[charIndex]
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length++
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aIndex[char] || (aIndex[char] = {})
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aIndex = aIndex[char]
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if (!aIndex.results) {
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let scores = {}
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aIndex.results = []
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aIndex.pool = {}
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for (let id in aPool) {
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let emoji = aPool[id],
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{ search } = emoji,
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sub = value.substr(0, length),
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subIndex = search.indexOf(sub)
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if (subIndex != -1) {
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let score = subIndex + 1
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if (sub == id) score = 0
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aIndex.results.push(this.emojis[id])
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aIndex.pool[id] = emoji
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scores[id] = score
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}
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}
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aIndex.results.sort((a, b) => {
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var aScore = scores[a.id],
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bScore = scores[b.id]
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return aScore - bScore
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})
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}
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aPool = aIndex.pool
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}
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return aIndex.results
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})
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.filter((a) => a)
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if (allResults.length > 1) {
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results = intersect.apply(null, allResults)
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} else if (allResults.length) {
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results = allResults[0]
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} else {
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results = []
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}
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}
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if (results) {
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if (emojisToShowFilter) {
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results = results.filter((result) =>
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emojisToShowFilter(pool[result.id]),
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)
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}
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if (results && results.length > maxResults) {
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results = results.slice(0, maxResults)
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}
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}
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return results
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}
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}
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