add title easter egg

Caddyfile

@@ -140,6 +140,10 @@ http://matdoes.dev https://matdoes.dev http://matctazmu565vivubva3p3bulaneangiff
 		header Content-Type text/plain
 		header Content-Encoding gzip
 	}
+	route /sandcats/* {
+		root * /opt/sandcats
+		file_server
+	}
 
 	handle_path /shwecky {
 		reverse_proxy https://shrecked.dev {

src/routes/(main)/+page.svelte

@@ -19,6 +19,121 @@
 			await new Promise((r) => setTimeout(r, delays[i]))
 		}
 	})
+
+	const defaultSentence1 = "I'm mat, I do full-stack software development."
+	const defaultSentence2 =
+		"This portfolio contains my blog posts and links to some of the projects I've made."
+
+	let titleClickCount = 0
+	let titleEditable = false
+	function onTitleClicked() {
+		titleClickCount++
+		if (titleClickCount >= 5) {
+			titleEditable = true
+		}
+	}
+	let sentence1 = defaultSentence1
+	let sentence2 = defaultSentence2
+	let defaultCopyrightText: string | undefined = undefined
+
+	async function startSandcatMode() {
+		const sandcatUrls = []
+		for (let i = 1; i <= 254; i++) {
+			sandcatUrls.push(`https://matdoes.dev/sandcats/${i}.jpg`)
+		}
+
+		let lowestSandcatPosition = 0
+
+		const sandcatContainerEl = document.createElement('div')
+		sandcatContainerEl.style.position = 'fixed'
+		sandcatContainerEl.style.top = '0'
+		sandcatContainerEl.style.left = '0'
+		sandcatContainerEl.style.width = 'calc(100% + 2560px)'
+		sandcatContainerEl.style.height = '100%'
+		sandcatContainerEl.style.zIndex = '-1'
+		sandcatContainerEl.style.lineHeight = '0'
+		document.body.appendChild(sandcatContainerEl)
+
+		let mustWait = true
+
+		;(async () => {
+			// move sandcatContainerEl down slowly
+			let lastScrollTime = Date.now()
+			let scrollAmount = 0
+			while (true) {
+				if (mustWait) {
+					await new Promise((r) => setTimeout(r, 100))
+					lastScrollTime = Date.now()
+					continue
+				}
+				const timeElapsed = Date.now() - lastScrollTime
+				lastScrollTime += timeElapsed
+				scrollAmount += timeElapsed / 10
+				sandcatContainerEl.style.top = `-${scrollAmount}px`
+				await new Promise(requestAnimationFrame)
+			}
+		})()
+
+		while (true) {
+			// shuffle sandcatUrls
+			for (let i = sandcatUrls.length - 1; i > 0; i--) {
+				const j = Math.floor(Math.random() * (i + 1))
+				;[sandcatUrls[i], sandcatUrls[j]] = [sandcatUrls[j], sandcatUrls[i]]
+			}
+
+			// we shuffle and then loop instead of picking a random item each time so it's less
+			// likely that the same image shows up consecutively
+
+			// add the sandcats
+			for (const url of sandcatUrls) {
+				const imgEl = document.createElement('img')
+				imgEl.src = url
+				sandcatContainerEl.appendChild(imgEl)
+				// wait for it to load and continue
+				await new Promise((r) => {
+					imgEl.onload = r
+				})
+
+				// if the image is waaay off the screen then we gotta wait
+				while (imgEl.getBoundingClientRect().top > window.innerHeight + 256) {
+					mustWait = false
+					await new Promise((r) => setTimeout(r, 100))
+				}
+				mustWait = imgEl.getBoundingClientRect().top < window.innerHeight
+			}
+		}
+	}
+
+	function onTitleEdited(e: Event) {
+		const content = ((e as InputEvent).target as HTMLTitleElement).textContent as string
+
+		const copyrightEl = document.getElementsByClassName('copyright')[0]
+		if (defaultCopyrightText === undefined) defaultCopyrightText = copyrightEl.textContent as string
+		let copyrightText = defaultCopyrightText
+
+		if (/^(sand|samd)?(cat|cta|car)(doesdev)?$/.test(content)) {
+			sentence1 = 'meow meow, mew meow meow mrrp meow nyaa :3'
+			sentence2 = 'meeeoooww ^-^ purr~ meow meow mrrp meow nya meow nyaaa meow nyaa nyaa :3'
+			copyrightText = defaultCopyrightText.replace('mat', 'mta')
+			startSandcatMode()
+		} else if (/does/.test(content)) {
+			let [name, action] = content.split('does')
+			name = name.trim()
+			action = action.trim()
+			sentence1 = defaultSentence1.replace('mat', name)
+			if (action !== 'dev') {
+				sentence1 = sentence1.replace('full-stack software development', action)
+			}
+			sentence2 = defaultSentence2
+			copyrightText = defaultCopyrightText.replace('mat', name)
+		} else {
+			sentence1 = defaultSentence1
+			sentence2 = defaultSentence2
+			copyrightText = defaultCopyrightText
+		}
+
+		copyrightEl.textContent = copyrightText
+	}
 </script>
 
 <svelte:head>
@@ -30,7 +145,17 @@
 
 <div class="section-container">
 	<section id="main-index-page-section">
-		<h1 bind:this={titleEl} id="main-title">matdoesdev</h1>
+		<!-- svelte-ignore a11y-click-events-have-key-events a11y-no-static-element-interactions -->
+		<h1
+			bind:this={titleEl}
+			id="main-title"
+			on:click={onTitleClicked}
+			contenteditable={titleEditable}
+			on:input={onTitleEdited}
+			spellcheck="false"
+		>
+			matdoesdev
+		</h1>
 
 		<IconButtonRow>
 			<a href="//github.com/mat-1"><GitHubIcon /></a>
@@ -38,8 +163,8 @@
 			<a href="//ko-fi.com/matdoesdev"><KofiIcon /></a>
 		</IconButtonRow>
 
-		<p>I'm mat, I do full-stack software development.</p>
+		<p>{sentence1}</p>
-		<p>This portfolio contains my blog posts and links to some of the projects I've made.</p>
+		<p>{sentence2}</p>
 		<ButtonRow>
 			<a href="/blog" class="button">Blog</a>
 			<a href="/projects" class="button">Projects</a>