webring/portal.js

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JavaScript
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function Portal(sites)
{
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this.el = document.createElement("pre");
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this.sites = sites;
this.install = function()
{
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document.body.appendChild(this.el);
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}
this.start = function()
{
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this.install();
this.el.innerHTML = window.location.hash ? this.redirect() : this.directory();
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}
this.directory = function()
{
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var html = ""
for(id in this.sites){
var site = this.sites[id]
html += `${id}) <a href='${site}'>${site}</a>\n`
}
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html += `\n<a href='#random' onClick="portal.reload('random')">Random</a> | <a href='https://github.com/XXIIVV/webring'>Information</a>`
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return html
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}
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this.reload = function()
{
setTimeout(()=>{ window.location.reload() },500)
}
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this.location = function()
{
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return window.location.hash.replace("#","").trim();
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}
this.locate = function()
{
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var hash = this.location();
if(hash == "random"){
return Math.floor(Math.random()*this.sites.length)
}
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for(var id in this.sites){
var site = this.sites[id];
if(site.indexOf(hash) >-1){
return parseInt(id)
}
}
return -1
}
this.next = function(loc)
{
return loc == this.sites.length-1 ? this.sites[0] : this.sites[loc+1];
}
this.redirect = function()
{
var location = this.locate();
var target = this.next(location);
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var html = ""
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html = `Redirecting to ${target}
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<meta http-equiv="refresh" content="3; url=${target}">
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<a href='' onClick="window.location.reload()">Directory</a> | <a href='#${target}' onClick="portal.reload('random')">Skip</a> | <a href='#random' onClick="portal.reload('random')">Random</a> | <a href='https://github.com/XXIIVV/webring'>Information</a>`
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return html
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}
}