From dcf61354050bfe81d6983f1aec34d7d3d6733a0d Mon Sep 17 00:00:00 2001
From: Alex Vitkov <alexvitkov98@gmail.com>
Date: Fri, 29 Jan 2021 13:43:53 +0200
Subject: index.html + login.html => index.php

those files had the entire HTML tree duplicated, which would make it
difficult to make any changes to the front end. this commit combines the
two files in one, with some front-end JS to switch between the login and
register forms.
---
 main.js | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 main.js

(limited to 'main.js')

diff --git a/main.js b/main.js
new file mode 100644
index 0000000..a775eb7
--- /dev/null
+++ b/main.js
@@ -0,0 +1,102 @@
+arrows = [];
+
+const minSpeed = 3;
+const maxSpeed = 8;
+const delay = 1500;
+const lifetime = 20000;
+
+function make_arrow() {
+	const svg = document.getElementById("protoarrow").cloneNode();
+	svg.style.left = Math.random() * 100 + '%';
+	svg.style.display = 'block';
+	document.getElementById('arrows').append(svg);
+	const ob = {
+		y: -800, 
+		svg: svg, 
+		speed: Math.random() * (maxSpeed - minSpeed) + minSpeed
+	};
+	arrows.push(ob);
+	setTimeout(make_arrow, delay);
+	setTimeout(() => {
+		svg.remove();
+		arrows.shift();
+	}, lifetime);
+}
+
+function update() {
+	for (const arrow of arrows) {
+		arrow.y += arrow.speed;
+		arrow.svg.style.bottom = arrow.y + 'px';
+	}
+	
+	window.requestAnimationFrame(update);
+}
+
+make_arrow();
+update();
+
+
+
+
+function clear_hero_errors()
+{
+	var errors = document.getElementsByClassName("hero_form_error");
+	var i;
+	for (i = 0; i < errors.length; i++)
+	{
+		errors[i].hidden = true;
+	}
+}
+function validate_hero_login_form()
+{
+			var username=document.forms["hero_form"]["username"].value;
+			var flag=true;
+			clear_hero_errors();
+
+			if(username.length==0)
+			{
+				document.getElementById("username-length-error").hidden=false;
+				flag=false;
+			}
+			document.activeElement.blur();
+			return flag;
+}
+function validate_hero_form()
+{
+			var username=document.forms["hero_form"]["username"].value;
+			var email=document.forms["hero_form"]["email"].value;
+			var password=document.forms["hero_form"]["password"].value;
+			var password2=document.forms["hero_form"]["password2"].value;
+
+			var flag=true;
+			clear_hero_errors();
+
+			if(username.length==0)
+			{
+				document.getElementById("username-length-error").hidden=false;
+				flag=false;
+			}
+			if(!email.match(/\S+@\S+/))
+			{
+				document.getElementById("email-error").hidden=false;
+				flag=false;
+			}
+			if(password.length==0)
+			{
+				document.getElementById("password-length-error").hidden=false;
+				flag=false;
+			}
+			if(password !== password2)
+			{
+				document.getElementById("password-match-error").hidden=false;
+				flag=false;
+			}
+			document.activeElement.blur();
+			return flag;
+
+}
+
+function showLogin(l) {
+    document.getElementById("loginform").style.display = l ? "flex" : "none";
+    document.getElementById("signupform").style.display = l ? "none" : "flex";
+}
-- 
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