52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
export class Loader {
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constructor() {
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this.loader = document.createElement("div");
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this.loader.className = "loader";
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this.loader.innerHTML = `
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<div class="loader-spinner"></div>
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`;
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this.styles = document.createElement("style");
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this.styles.innerHTML = `
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.loader {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: rgba(0, 0, 0, 0.5);
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display: flex;
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justify-content: center;
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align-items: center;
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z-index: 1000001
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}
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.loader-spinner {
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border: 4px solid #f3f3f3;
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border-top: 4px solid #3498db;
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border-radius: 50%;
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width: 32px;
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height: 32px;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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from { transform: rotate(0deg); }
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to { transform: rotate(360deg); }
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}
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`;
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}
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show() {
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document.head.appendChild(this.styles);
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document.body.appendChild(this.loader);
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}
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hide() {
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if (this.loader.parentNode) {
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this.loader.parentNode.removeChild(this.loader);
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}
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if (this.styles.parentNode) {
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this.styles.parentNode.removeChild(this.styles);
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}
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}
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} |