mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
92 lines
2.4 KiB
TypeScript
92 lines
2.4 KiB
TypeScript
function domReady(condition: DocumentReadyState[] = ['complete', 'interactive']) {
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return new Promise(resolve => {
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if (condition.includes(document.readyState)) {
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resolve(true)
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} else {
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document.addEventListener('readystatechange', () => {
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if (condition.includes(document.readyState)) {
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resolve(true)
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}
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})
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}
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})
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}
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const safeDOM = {
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append(parent: HTMLElement, child: HTMLElement) {
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if (!Array.from(parent.children).find(e => e === child)) {
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parent.appendChild(child)
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}
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},
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remove(parent: HTMLElement, child: HTMLElement) {
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if (Array.from(parent.children).find(e => e === child)) {
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parent.removeChild(child)
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}
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},
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}
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/**
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* https://tobiasahlin.com/spinkit
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* https://connoratherton.com/loaders
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* https://projects.lukehaas.me/css-loaders
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* https://matejkustec.github.io/SpinThatShit
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*/
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function useLoading() {
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const className = `loaders-css__square-spin`
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const styleContent = `
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@keyframes square-spin {
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25% { transform: perspective(100px) rotateX(180deg) rotateY(0); }
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50% { transform: perspective(100px) rotateX(180deg) rotateY(180deg); }
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75% { transform: perspective(100px) rotateX(0) rotateY(180deg); }
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100% { transform: perspective(100px) rotateX(0) rotateY(0); }
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}
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.${className} > div {
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animation-fill-mode: both;
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width: 50px;
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height: 50px;
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background: #fff;
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animation: square-spin 3s 0s cubic-bezier(0.09, 0.57, 0.49, 0.9) infinite;
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}
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.app-loading-wrap {
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position: fixed;
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top: 0;
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left: 0;
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width: 100vw;
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height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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background: #282c34;
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z-index: 9;
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}
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`
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const oStyle = document.createElement('style')
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const oDiv = document.createElement('div')
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oStyle.id = 'app-loading-style'
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oStyle.innerHTML = styleContent
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oDiv.className = 'app-loading-wrap'
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oDiv.innerHTML = `<div class="${className}"><div></div></div>`
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return {
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appendLoading() {
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safeDOM.append(document.head, oStyle)
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safeDOM.append(document.body, oDiv)
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},
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removeLoading() {
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safeDOM.remove(document.head, oStyle)
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safeDOM.remove(document.body, oDiv)
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},
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}
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}
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// ----------------------------------------------------------------------
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const { appendLoading, removeLoading } = useLoading()
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domReady().then(appendLoading)
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window.onmessage = ev => {
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ev.data.payload === 'removeLoading' && removeLoading()
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}
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setTimeout(removeLoading, 4999)
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