mirror of
https://github.com/arfct/itty-bitty.git
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87 lines
No EOL
2.9 KiB
JavaScript
87 lines
No EOL
2.9 KiB
JavaScript
// window.el = function (tagName, attrs, ...children) {
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// let l = document.createElement(tagName);
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// Object.entries(attrs).forEach(([k,v]) => l[k] = v);
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// children.forEach((c) => l.appendChild(typeof c == "string" ? document.createTextNode(c) : c));
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// return l;
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// }
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const el = (selector, ...args) => {
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var attrs = (args[0] && typeof args[0] === 'object' && !Array.isArray(args[0]) && !(args[0] instanceof HTMLElement)) ? args.shift() : {};
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let classes = selector.split(".");
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if (classes.length > 0) selector = classes.shift();
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if (classes.length) attrs.className = classes.join(" ")
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let id = selector.split("#");
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if (id.length > 0) selector = id.shift();
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if (id.length) attrs.id = id[0];
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var node = document.createElement(selector.length > 0 ? selector : "div");
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for (let prop in attrs) {
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if (attrs.hasOwnProperty(prop) && attrs[prop] != undefined) {
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if (prop.indexOf("data-") == 0) {
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let dataProp = prop.substring(5).replace(/-([a-z])/g, function(g) { return g[1].toUpperCase(); });
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node.dataset[dataProp] = attrs[prop];
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} else {
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node[prop] = attrs[prop];
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}
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}
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}
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const append = (child) => {
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if (Array.isArray(child)) return child.forEach(append);
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if (typeof child == "string") child = document.createTextNode(child);
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if (child) node.appendChild(child);
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};
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args.forEach(append);
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return node;
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};
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window.el = el;
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function loadScript(src, callback, type = "module") {
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let script = el("script", { src, type });
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script.addEventListener('load', function(e) {
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console.debug("Loaded script", src);
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if (callback) callback(e);
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});
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document.head.appendChild(script);
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}
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function async(u, c) {
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var d = document, t = 'script',
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o = d.createElement(t),
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s = d.getElementsByTagName(t)[0];
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o.src = '//' + u;
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if (c) { o.addEventListener('load', function (e) { c(null, e); }, false); }
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s.parentNode.insertBefore(o, s);
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}
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function loadSyle(href, callback) {
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let promise = new Promise((resolve, reject) => {
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document.head.appendChild(el("link", { type: "text/css", rel: "stylesheet", href, onload:resolve}));
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})
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return callback ? promise.then(callback) : promise;
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}
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function renderScriptContent(data, origin) {
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var base = el('base', {href: data.script});
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document.head.appendChild(base);
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window.script = data.script
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window.params = data;
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window.params.origin = origin;
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console.log("🖊 Rendering with", {script:data.script, params:data})
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loadScript(data.script);
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}
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window.addEventListener("message", function(e) {
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renderScriptContent(e.data, e.origin);
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}, false);
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function QRCodeURL(url, options) {
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if (url.length > 2953) return undefined;
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let size = options?.size ?? 547;
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let errorCorrection = options?.correction ?? 'L';
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let margin = options?.margin?.toString() || "1";
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return `https://chart.googleapis.com/chart?cht=qr&chs=${size}x${size}&chld=${errorCorrection}|${margin}&choe=UTF-8&chl=${encodeURIComponent(url || location.href)}`;
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} |