liebling/src/js/helpers.js
2020-04-23 20:41:18 +02:00

74 lines
2.2 KiB
JavaScript

export const isRTL = () => {
const $html = document.querySelector('html')
return ['ar', 'he', 'fa'].includes($html.getAttribute('lang'))
}
export const isMobile = (width = '768px') => {
return window.matchMedia(`(max-width: ${width})`).matches
}
export const isDarkMode = () => {
const darkModeMatcher = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)')
return darkModeMatcher && darkModeMatcher.matches
}
export const formatDate = (date) => {
if (date) {
return new Date(date).toLocaleDateString(
document.documentElement.lang,
{
year: 'numeric',
month: 'long',
day: 'numeric'
}
)
}
return ''
}
export const getParameterByName = (name, url) => {
if (!url) url = window.location.href
name = name.replace(/[\[\]]/g, '\\$&')
const regex = new RegExp(`[?&]${name}(=([^&#]*)|&|#|$)`)
const results = regex.exec(url)
if (!results) return null
if (!results[2]) return ''
return decodeURIComponent(results[2].replace(/\+/g, ' '))
}
export const makeImagesZoomable = ($, mediumZoom) => {
const zoom = mediumZoom('.js-zoomable')
zoom.on('open', (event) => {
if (isMobile() && $(event.target).parent().hasClass('kg-gallery-image')) {
setTimeout(() => {
const $mediumZoomImage = $('.medium-zoom-image--opened')
const transform = $mediumZoomImage[0].style.transform
const scale = transform.substr(0, transform.indexOf(' '))
const scaleValue = parseFloat(scale.substr(scale.indexOf('(') + 1).split(')')[0])
const translate = transform.substr(transform.indexOf(' ') + 1)
const translateY = parseFloat(translate.split(',')[1])
const newTranslateY = (translateY < 0) ? (scaleValue * translateY) + translateY : (scaleValue * translateY) - translateY
const newTransform = `scale(1) translate3d(0, ${newTranslateY}px, 0)`
$mediumZoomImage.addClass('medium-zoom-image-mobile')
$mediumZoomImage[0].style.transform = newTransform
}, 10)
}
})
zoom.on('close', () => {
if (isMobile() && $(event.target).parent().hasClass('kg-gallery-image')) {
const $mediumZoomImage = $('.medium-zoom-image')
$mediumZoomImage.removeClass('medium-zoom-image-mobile')
}
})
}