Files
housesof/src/routes/photos.svelte

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Svelte

<script lang="ts">
import { browser } from '$app/env'
import { page } from '$app/stores'
import { goto } from '$app/navigation'
import { getContext, onMount } from 'svelte'
import { fly } from 'svelte/transition'
import { quartOut } from 'svelte/easing'
import dayjs from 'dayjs'
import relativeTime from 'dayjs/plugin/relativeTime.js'
import anime from 'animejs'
import type { AnimeTimelineInstance } from 'animejs'
import { fetchAPI } from '$utils/api'
import { map, lerp, throttle } from '$utils/functions'
// Components
import Metas from '$components/Metas.svelte'
import PageTransition from '$components/PageTransition.svelte'
import SplitText from '$components/SplitText.svelte'
import IconEarth from '$components/atoms/IconEarth.svelte'
import Button from '$components/atoms/Button.svelte'
import Image from '$components/atoms/Image.svelte'
import ScrollingTitle from '$components/atoms/ScrollingTitle.svelte'
import DiscoverText from '$components/atoms/DiscoverText.svelte'
import PostCard from '$components/molecules/PostCard.svelte'
import Select from '$components/molecules/Select.svelte'
import Shop from '$components/organisms/Shop.svelte'
import Newsletter from '$components/organisms/Newsletter.svelte'
export let photos: any[]
export let totalPhotos: number
export let filteredCountryExists: boolean
dayjs.extend(relativeTime)
const { countries }: any = getContext('global')
let photosContentEl: HTMLElement
let photosGridEl: HTMLElement
let observerPhotos: IntersectionObserver
let mutationPhotos: MutationObserver
let scrollY: number
let innerWidth: number, innerHeight: number
// Filters related
let scrollDirection = 0
let lastScrollTop = 0
let scrolledPastIntro: boolean
let filtersOver: boolean
let filtersVisible: boolean
let filtersTransitioning: boolean
/**
* Filters
*/
const defaultCountry: string = import.meta.env.VITE_FILTERS_DEFAULT_COUNTRY
const defaultSort: string = import.meta.env.VITE_FILTERS_DEFAULT_SORT
const urlFiltersParams = new URLSearchParams()
let filtered: boolean
let filterCountry = $page.url.searchParams.get('country') || defaultCountry
let filterSort = $page.url.searchParams.get('sort') || defaultSort
let countryFlagId: string
$: filtered = filterCountry !== defaultCountry || filterSort !== defaultSort
$: latestPhoto = photos && photos[0]
$: currentCountry = countries.find((country: any) => country.slug === filterCountry)
// Pages related informations
let currentPage = 1
let ended: boolean
let currentPhotosAmount: number
$: currentPhotosAmount = photos && photos.length
$: ended = currentPhotosAmount === totalPhotos
/**
* Container margins
*/
let scrollProgress: number
let sideMargins: number = innerWidth < 1200 ? 16 : 8
$: viewportScroll = (innerHeight / innerWidth) <= 0.6 ? innerHeight * 1.5 : innerHeight
// Define sides margin on scroll
const setSidesMargin = throttle(() => {
if (window.innerWidth >= 992) {
scrollProgress = map(scrollY, 0, viewportScroll, 0, 1, true)
sideMargins = lerp(innerWidth < 1200 ? 16 : 8, 30, scrollProgress)
}
}, 50)
/**
* Handle URL query params
*/
$: countryFlagId = currentCountry ? currentCountry.flag.id : undefined
// Update URL filtering params from filter values
const applyFilters = () => {
urlFiltersParams.set('country', filterCountry)
urlFiltersParams.set('sort', filterSort)
let path = `${$page.url.pathname}?${urlFiltersParams.toString()}`
goto(path, { replaceState: true, keepfocus: true, noscroll: true })
}
/**
* Define small photo size from index
* With different grid patterns depending on window width
*/
$: isSmall = (index: number) => {
let modulo = index % 5
let notOn = [0]
// Change pattern on small desktop
if (innerWidth >= 768 && innerWidth < 1200) {
modulo = index % 11
notOn = [0, 7, 10]
} else if (innerWidth >= 1200) {
// Disable on larger desktop
return false
}
return !notOn.includes(modulo)
}
/**
* Filters change events
*/
// Country select
const handleCountryChange = ({ detail: value }) => {
filterCountry = value === defaultCountry ? defaultCountry : value
currentPage = 1
applyFilters()
}
// Sort select
const handleSortChange = ({ detail: value }) => {
filterSort = value === defaultSort ? defaultSort : value
currentPage = 1
applyFilters()
}
// Reset filters
const resetFiltered = () => {
filterCountry = defaultCountry
filterSort = defaultSort
currentPage = 1
applyFilters()
}
/**
* Load photos
*/
// [function] Load photos helper
const loadPhotos = async (page: number) => {
const res = fetchAPI(`
query {
photos: photo (
filter: {
${filterCountry !== 'all' ? `location: { country: { slug: { _eq: "${filterCountry}" }} },` : ''}
status: { _eq: "published" },
},
sort: "${filterSort === 'latest' ? '-' : ''}date_created",
limit: ${import.meta.env.VITE_GRID_INCREMENT},
page: ${page},
) {
id
title
slug
image {
id
title
}
location {
slug
name
region
country {
slug
name
flag { id }
}
}
city
}
}
`)
const { data: { photos }} = await res
if (photos) {
// Return new photos
return photos
} else {
throw new Error('Error while loading new photos')
}
}
// Load more photos from CTA
const loadMorePhotos = async () => {
// Append more photos from API including options and page
const newPhotos: any = await loadPhotos(currentPage + 1)
if (newPhotos) {
photos = [...photos, ...newPhotos]
// Define actions if the number of new photos is the expected ones
if (newPhotos.length === Number(import.meta.env.VITE_GRID_INCREMENT)) {
// Increment the current page
currentPage++
}
// Increment the currently visible amount of photos
currentPhotosAmount += newPhotos.length
}
}
/**
* Scroll detection when entering content
*/
$: if (scrollY) {
// Detect scroll direction
throttle(() => {
scrollDirection = scrollY > lastScrollTop ? 1 : -1
lastScrollTop = scrollY
// Show filters bar when scrolling back up
filtersVisible = scrollDirection < 0
// Scrolled past grid of photos
if (scrollY > photosContentEl.offsetTop) {
if (!scrolledPastIntro) {
filtersOver = true
// Hacky: Set filters as transitioning after a little delay to avoid an transition jump
setTimeout(() => filtersTransitioning = true, 30)
}
scrolledPastIntro = true
} else {
if (scrolledPastIntro) {
filtersOver = false
filtersTransitioning = false
}
scrolledPastIntro = false
}
}, 200)()
}
/**
* Transition: Anime timeline
*/
let timeline: AnimeTimelineInstance
if (browser) {
requestAnimationFrame(() => {
// Setup animations
timeline = anime.timeline({
duration: 1600,
easing: 'easeOutQuart',
autoplay: false,
})
// Reveal text
timeline.add({
targets: '.photos__intro .discover',
translateY: [16, 0],
opacity: [0, 1],
}, 900)
// Filters
timeline.add({
targets: '.photos__intro .filter',
translateY: [16, 0],
opacity: [0, 1],
complete ({ animatables }) {
const element = animatables[0].target
// Remove style to not interfere with CSS when scrolling back up over photos
element.removeAttribute('style')
}
}, 1300)
})
}
onMount(() => {
/**
* Observers
*/
// Photos IntersectionObserver
observerPhotos = new IntersectionObserver(entries => {
entries.forEach(({ isIntersecting, target }: IntersectionObserverEntry) => {
target.classList.toggle('is-visible', isIntersecting)
// Run effect once
isIntersecting && observerPhotos.unobserve(target)
})
}, {
threshold: 0.25,
rootMargin: '0px 0px 10%'
})
// Photos MutationObserver
mutationPhotos = new MutationObserver((mutationsList, observer) => {
for (const mutation of mutationsList) {
// When adding new childs
if (mutation.type === 'childList') {
// Observe new items
mutation.addedNodes.forEach((item: HTMLElement) => observerPhotos.observe(item))
}
}
})
mutationPhotos.observe(photosGridEl, {
childList: true,
})
// Observe existing elements
const existingPhotos = photosGridEl.querySelectorAll('.photo')
existingPhotos.forEach(el => observerPhotos.observe(el))
// Transition in
requestAnimationFrame(() => {
timeline.play()
})
// Destroy
return () => {
// Disconnect observers
observerPhotos && observerPhotos.disconnect()
mutationPhotos && mutationPhotos.disconnect()
}
})
</script>
<Metas
title="Houses Of - {filterCountry === defaultCountry ? `Photos` : `Photos of ${currentCountry.name}`}"
description=""
image=""
/>
<svelte:window
bind:scrollY bind:innerWidth bind:innerHeight
on:scroll={setSidesMargin}
/>
<PageTransition name="photos">
<section class="photos__intro"
class:is-passed={scrolledPastIntro}
>
<ScrollingTitle tag="h1" text="Houses">
<SplitText text="Houses" mode="chars" />
</ScrollingTitle>
<DiscoverText />
<div class="filter"
class:is-over={filtersOver}
class:is-transitioning={filtersTransitioning}
class:is-visible={filtersVisible}
>
<span class="text-label filter__label">Filter photos</span>
<div class="filter__bar">
<ul>
<li>
<Select
name="country" id="filter_country"
options={[
{
value: defaultCountry,
name: 'Worldwide',
default: true,
selected: filterCountry === defaultCountry,
},
...countries.map(({ slug, name }) => ({
value: slug,
name,
selected: filterCountry === slug,
}))
]}
on:change={handleCountryChange}
value={filterCountry}
>
{#if countryFlagId}
<Image
class="icon"
id={countryFlagId}
sizeKey="square-small"
width={26} height={26}
alt="{filterCountry} flag"
/>
{:else}
<IconEarth class="icon" />
{/if}
</Select>
</li>
<li>
<Select
name="sort" id="filter_sort"
options={[
{
value: 'latest',
name: 'Latest photos',
default: true,
selected: filterSort === defaultSort
},
{
value: 'oldest',
name: 'Oldest photos',
selected: filterSort === 'oldest'
},
]}
on:change={handleSortChange}
value={filterSort}
>
<svg class="icon" width="24" height="24" viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg" aria-label="Sort icon">
<path fill-rule="evenodd" clip-rule="evenodd" d="M15.878 15.93h-4.172c-.638 0-1.153.516-1.153 1.154 0 .639.515 1.154 1.153 1.154h4.172c.638 0 1.153-.515 1.153-1.154a1.152 1.152 0 0 0-1.153-1.153Zm3.244-5.396h-7.405c-.639 0-1.154.515-1.154 1.153 0 .639.515 1.154 1.154 1.154h7.405c.639 0 1.154-.515 1.154-1.154a1.145 1.145 0 0 0-1.154-1.153Zm3.244-5.408h-10.65c-.638 0-1.153.515-1.153 1.154 0 .639.515 1.154 1.154 1.154h10.65c.638 0 1.153-.515 1.153-1.154 0-.639-.515-1.154-1.154-1.154ZM7.37 20.679V3.376c0-.145-.03-.289-.082-.433a1.189 1.189 0 0 0-.628-.618 1.197 1.197 0 0 0-.886 0 1.045 1.045 0 0 0-.36.237c-.01 0-.01 0-.021.01L.82 7.145a1.156 1.156 0 0 0 0 1.638 1.156 1.156 0 0 0 1.637 0l2.596-2.596v11.7l-2.596-2.595a1.156 1.156 0 0 0-1.637 0 1.156 1.156 0 0 0 0 1.638l4.573 4.573c.103.103.237.185.37.247.135.062.289.082.433.082h.02c.145 0 .3-.03.433-.093a1.14 1.14 0 0 0 .629-.628.987.987 0 0 0 .092-.432Z" />
</svg>
</Select>
</li>
</ul>
</div>
<div class="filter__actions">
{#if filtered}
<button class="reset button-link"
on:click={resetFiltered}
transition:fly={{ y: 4, duration: 600, easing: quartOut }}
>
Reset
</button>
{/if}
</div>
</div>
</section>
<section class="photos__content" style="--margin-sides: {sideMargins}px;" bind:this={photosContentEl}>
<div class="grid container">
{#if photos}
<div class="photos__grid" bind:this={photosGridEl}>
{#each photos as { id, image, slug, location, title, city }, index (id)}
<figure class="photo shadow-photo">
<a href="/{location.country.slug}/{location.slug}/{slug}" sveltekit:prefetch sveltekit:noscroll tabindex="0">
<Image
id={image.id}
sizeKey="photo-grid"
sizes={{
small: { width: 500 },
medium: { width: 900 },
large: { width: 1440 },
}}
ratio={1.5}
alt={image.title}
/>
</a>
<figcaption>
<PostCard
street={title}
location={city ? `${city}, ${location.name}` : location.name}
region={location.region}
country={location.country.name}
flagId={location.country.flag.id}
size={isSmall(index) ? 'small' : null}
/>
</figcaption>
</figure>
{/each}
</div>
<div class="controls grid">
<p class="controls__date" title={dayjs(latestPhoto.date_created).format('DD/MM/YYYY, hh:mm')}>
Last updated: <time datetime={dayjs(latestPhoto.date_created).format('YYYY-MM-DD')}>{dayjs().to(dayjs(latestPhoto.date_created))}</time>
</p>
<Button
tag="button"
text={!ended ? 'See more photos' : "You've seen it all!"}
size="large" color="beige"
on:click={loadMorePhotos}
disabled={ended}
/>
<div class="controls__count">
<span class="current">{currentPhotosAmount}</span>
<span>/</span>
<span class="total">{totalPhotos}</span>
</div>
</div>
{:else if !filteredCountryExists}
<div class="photos__message">
<p>
<strong>{$page.url.searchParams.get('country').replace(/(^|\s)\S/g, letter => letter.toUpperCase())}</strong> is not available… yet 👀
</p>
</div>
{/if}
<div class="grid-modules">
<div class="wrap">
<Shop />
<Newsletter theme="light" />
</div>
</div>
</div>
</section>
</PageTransition>