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/* global USERS */
const EventEmitter = require('events')
const fuzzy = require('fuzzy')
const autocomplete = require('./autocomplete')
const browserFixToolkit = require('./browserFixToolkit')
const self = new EventEmitter()
self._nodes = {
search: document.querySelector('#search'),
input: document.querySelector('input[type="search"]')
}
self.submit = function () {
self._nodes.input.blur()
const selectedItem = autocomplete.getSelectedItem()
console.log(selectedItem)
self.emit('search', selectedItem)
}
self.updateDom = function (selectedItem) {
self._nodes.input.value = selectedItem.value
autocomplete.removeAllItems()
document.body.classList.remove('no-input')
document.body.classList.add('searched')
}
self.focus = function () {
self._nodes.input.focus()
}
self._handleSubmit = function (event) {
event.preventDefault()
self.submit()
}
self._calculate = function (searchTerm) {
const allResults = fuzzy.filter(searchTerm, USERS, {
extract: item => item.value
})
const firstResults = allResults.slice(0, 7)
const originalResults = firstResults.map(result => result.original)
return originalResults
}
self._handleTextUpdate = function () {
const results = self._calculate(self._nodes.input.value)
autocomplete.removeAllItems()
for (let i = 0; i < results.length; i++) {
autocomplete.addItem(results[i])
}
}
self._handleFocus = function () {
self._nodes.input.select()
}
self._handleBlur = function () {
// this will removed the selection without drawing focus on it (safari)
// this will removed selection even when focusing an iframe (chrome)
const oldValue = self._nodes.value
self._nodes.value = ''
self._nodes.value = oldValue
// this will hide the keyboard (iOS safari)
document.activeElement.blur()
}
autocomplete.on('select', self.submit)
self._nodes.search.addEventListener('submit', self._handleSubmit)
self._nodes.input.addEventListener('focus', self._handleFocus)
self._nodes.input.addEventListener('blur', self._handleBlur)
self._nodes.input.addEventListener(browserFixToolkit.inputEvent,
self._handleTextUpdate)
module.exports = self
|
