itty-bitty/docs/render.js
2022-06-08 22:53:37 -07:00

41 lines
1.2 KiB
JavaScript

window.el = function (tagName, attrs, ...children) {
let l = document.createElement(tagName);
Object.entries(attrs).forEach(([k,v]) => l[k] = v);
children.forEach((c) => l.appendChild(typeof c == "string" ? document.createTextNode(c) : c));
return l;
}
function loadScript(src, callback) {
let script = el("script", { src });
script.addEventListener('load', function(e) {
console.debug("Loaded script", src);
if (callback) callback(e);
});
document.head.appendChild(script);
}
function async(u, c) {
var d = document, t = 'script',
o = d.createElement(t),
s = d.getElementsByTagName(t)[0];
o.src = '//' + u;
if (c) { o.addEventListener('load', function (e) { c(null, e); }, false); }
s.parentNode.insertBefore(o, s);
}
function loadSyle(href) {
document.head.appendChild(el("link", { type: "text/css", rel: "stylesheet", href}));
}
function renderScriptContent(data, origin) {
var base = el('base', {href: data});
document.head.appendChild(base);
window.params = data;
window.params.origin = origin;
console.log("Rendering with", data.script, data)
loadScript(data.script);
}
window.addEventListener("message", function(e) {
renderScriptContent(e.data, e.origin);
}, false);