64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
(() => {
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// node_modules/bloatless-react/index.ts
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function createElement(tagName, attributes = {}, ...children) {
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const element = document.createElement(tagName);
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if (attributes != null)
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Object.entries(attributes).forEach((entry) => {
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const [attributename, value] = entry;
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const [directiveKey, directiveValue] = attributename.split(":");
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switch (directiveKey) {
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case "on": {
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element.addEventListener(directiveValue, value);
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break;
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}
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case "subscribe": {
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if (directiveValue == "children") {
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const [listState, toElement] = value;
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listState.handleAddition((newItem) => {
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const child = toElement(newItem, listState);
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listState.handleRemoval(
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newItem,
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() => child.remove()
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);
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element.append(child);
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});
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} else {
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const state = value;
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state.subscribe(
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(newValue) => element[directiveValue] = newValue
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);
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}
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break;
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}
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case "bind": {
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const state = value;
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state.subscribe(
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(newValue) => element[directiveValue] = newValue
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);
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element.addEventListener(
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"input",
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() => state.value = element[directiveValue]
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);
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break;
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}
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case "toggle": {
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const state = value;
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state.subscribe(
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(newValue) => element.toggleAttribute(directiveValue, newValue)
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);
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break;
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}
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default:
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element.setAttribute(attributename, value);
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}
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});
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children.filter((x) => x).forEach((child) => element.append(child));
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return element;
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}
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// src/index.tsx
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document.querySelector("main").append(
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/* @__PURE__ */ createElement("h1", null, "Hello there!")
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);
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})();
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