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Create HTML Elements with arguments and nested children
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| const ElementBuilder = new Proxy({}, { get: (_, tagName) => (...args) => { | |
| const element = Object.assign(document.createElement(tagName), ...args); | |
| element.append(...args.filter(arg => arg.constructor !== Object)); | |
| return element; | |
| }}); | |
| const EventHandler = (fn, element) => Object.assign(element || {}, { | |
| self: element, | |
| update: (newProps) => element.replaceWith(fn(newProps)), | |
| listen: (eventType, handler) => (element.dataset.event = "", element) | |
| .addEventListener(eventType, ({ detail }) => handler(detail)), | |
| dispatch: (eventType, detail) => document.querySelectorAll("[data-event]") | |
| .forEach(el => el.dispatchEvent(new CustomEvent(eventType, { detail }))) | |
| }); | |
| const { div, h1, button } = ElementBuilder; | |
| function HelloWorld(message = 'Hello World!') { | |
| const handleEvents = (element) => { | |
| const { self, listen, update } = EventHandler(HelloWorld, element); | |
| listen('newdata', update); | |
| listen('newdata', () => console.log('gotcha!')); | |
| return self; | |
| }; | |
| return { update, dispatch } = handleEvents( | |
| div( | |
| h1({ | |
| className: 'hello-world', | |
| onclick: () => update('Bye bye') // `update` is now inside `handleEvents` | |
| }, message), | |
| button({ | |
| onclick: () => dispatch('newdata', 'Bye bye') | |
| }, 'Click here') | |
| ) | |
| ); | |
| } | |
| document.body.append(HelloWorld()); |
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