cyp/app/js/html.js

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JavaScript
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import icons from "./icons.js";
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export function node(name, attrs, content, parent) {
let n = document.createElement(name);
Object.assign(n, attrs);
if (attrs && attrs.title) { n.setAttribute("aria-label", attrs.title); }
content && text(content, n);
parent && parent.appendChild(n);
return n;
}
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export function icon(type, parent) {
let str = icons[type];
if (!str) {
console.error("Bad icon type '%s'", type);
return node("span", {}, "‽");
}
let tmp = node("div");
tmp.innerHTML = str;
let s = tmp.querySelector("svg");
if (!s) { throw new Error(`Bad icon source for type '${type}'`); }
s.classList.add("icon");
s.classList.add(`icon-${type}`);
parent && parent.appendChild(s);
return s;
}
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export function button(attrs, content, parent) {
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let result = node("button", attrs, content, parent);
if (attrs && attrs.icon) {
let i = icon(attrs.icon);
result.insertBefore(i, result.firstChild);
}
return result;
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}
export function clear(node) {
while (node.firstChild) { node.firstChild.parentNode.removeChild(node.firstChild); }
return node;
}
export function text(txt, parent) {
let n = document.createTextNode(txt);
parent && parent.appendChild(n);
return n;
}
export function fragment() {
return document.createDocumentFragment();
}