itty-bitty/docs/index.src/index.js
2022-01-08 10:54:53 -05:00

78 lines
3 KiB
JavaScript

var HEAD_TAGS = "PGJhc2UgdGFyZ2V0PSJfdG9wIj4K";
var HEAD_TAGS_EXTENDED =
"PG1ldGEgY2hhcnNldD0idXRmLTgiPjxtZXRhIG5hbWU9InZpZXdwb3J0IiBjb250ZW50PSJ3aWR0aD1kZXZpY2Utd2lkdGgiPjxiYXNlIHRhcmdldD0iX3RvcCI+PHN0eWxlIHR5cGU9InRleHQvY3NzIj5ib2R5e21hcmdpbjowIGF1dG87cGFkZGluZzoxMnZtaW4gMTB2bWluO21heC13aWR0aDozNWVtO2xpbmUtaGVpZ2h0OjEuNWVtO2ZvbnQtZmFtaWx5OiAtYXBwbGUtc3lzdGVtLEJsaW5rTWFjU3lzdGVtRm9udCxzYW5zLXNlcmlmO3dvcmQtd3JhcDogYnJlYWstd29yZDt9PC9zdHlsZT4g";
function dismiss() {
if (document.getElementById("never").checked) window.localStorage.setItem('toasted', true);
document.body.classList.remove("toasting")
}
window.onhashchange = window.onload = function() {
var hash = window.location.hash.substring(1);
if (hash.length < 3) {
location.href = "/edit";
} else {
// if (!window.localStorage.getItem('toasted')) document.body.classList.add("toasting");
var iframe = document.getElementById("iframe");
var link = document.getElementById("edit");
var preamble = undefined;
var slashIndex = hash.indexOf("/");
var title = hash.substring(0, slashIndex);
document.title = title.length
? decodeURIComponent(title.replace(/_/g, " "))
: location.hostname;
hash = hash.substring(slashIndex + 1);
var editable = hash.charAt(0) == "?";
if (editable) {
hash = hash.substring(1);
}
if (hash.indexOf("data:") != 0) {
var colon = hash.indexOf(":");
if ( colon > 0 && colon < 15) {
document.body.classList.remove("toasting");
return window.location.replace(hash);
}
var compressed = true;
preamble = HEAD_TAGS_EXTENDED;
hash =
"data:text/html;charset=utf-8;" +
(compressed ? "bxze64," : "base64,") +
hash;
} else if (hash.indexOf("data:text/html;") == 0) {
preamble = HEAD_TAGS;
} else if (hash.indexOf("data:text/plain;") == 0) {
preamble = HEAD_TAGS_EXTENDED;
}
link.onclick = function() {
location.href = "/edit" + location.hash;
};
var isIE = navigator.userAgent.match(/rv:11/);
var isEdge = navigator.userAgent.match(/Edge\//);
if ((isEdge || isIE) && location.href.length == 2083) {
document.getElementById("warning").innerHTML =
'Edge only supports shorter URLs (maximum 2083 bytes).<br>Larger sites may require a different browser.<br><a href="http://reference.bitty.site">Learn more</a>';
}
decompressDataURI(hash, preamble, function(hash) {
if (!hash) return;
iframe.sandbox =
"allow-downloads allow-scripts allow-forms allow-top-navigation allow-popups allow-modals allow-popups-to-escape-sandbox";
if (!isIE) {
if (hash) iframe.src = hash;
} else {
dataToString(hash, function(content) {
var doc = iframe.contentWindow.document;
doc.open();
doc.write(content);
doc.close();
});
}
});
var link = document.getElementById("edit");
link.href = "/edit" + location.hash;
link.style.display = editable ? "block" : "none";
}
};