Files
ruvnet--RuView/examples/frontend/src/components/Modal.ts
T
ruv 04f205a05e refactor: move frontend/ to examples/frontend/
The Lit + Vite HOMECORE web UI is an example consumer of the
sensing stack, not a top-level deliverable — relocate it under
examples/ alongside the other sensor and dashboard demos.

Add an entry to examples/README.md so it's discoverable.

Co-Authored-By: claude-flow <ruv@ruv.net>
2026-05-27 12:20:49 -04:00

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TypeScript
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/**
* `<hc-modal>` — minimal accessible overlay modal.
*
* Open / close by setting the `open` property. Closes on Escape and
* on backdrop click. Content goes in the default slot; an optional
* named "footer" slot is rendered below the content.
*
* Emits `hc-modal-close` on close so the host can clean up.
*/
import { LitElement, html, css } from 'lit';
import { customElement, property } from 'lit/decorators.js';
@customElement('hc-modal')
export class Modal extends LitElement {
@property({ type: Boolean, reflect: true }) open = false;
@property({ type: String }) heading = '';
static styles = css`
:host { display: contents; }
.backdrop {
position: fixed;
inset: 0;
background: hsl(220 25% 4% / 0.65);
backdrop-filter: blur(4px);
-webkit-backdrop-filter: blur(4px);
display: flex;
align-items: center;
justify-content: center;
z-index: 100;
padding: 16px;
}
.dialog {
background: var(--hc-bg, #0b0e13);
border: 1px solid var(--hc-border, #2a323e);
border-radius: 10px;
box-shadow: 0 24px 64px hsl(220 25% 2% / 0.6);
width: min(560px, calc(100vw - 32px));
max-height: calc(100vh - 32px);
display: flex;
flex-direction: column;
overflow: hidden;
font-family: var(--hc-font-sans, 'Outfit', system-ui, sans-serif);
color: var(--hc-text, #e6eaee);
}
header {
padding: 14px 18px;
border-bottom: 1px solid var(--hc-border, #2a323e);
display: flex;
align-items: center;
justify-content: space-between;
font-weight: 600;
font-size: 15px;
}
button.close {
background: transparent;
border: none;
color: var(--hc-text-muted, #7b899d);
cursor: pointer;
font-size: 18px;
line-height: 1;
padding: 4px 8px;
border-radius: 4px;
}
button.close:hover { background: hsl(220 20% 14%); color: var(--hc-text, #e6eaee); }
.body { padding: 16px 18px; overflow-y: auto; }
.footer {
padding: 12px 18px;
border-top: 1px solid var(--hc-border, #2a323e);
display: flex;
justify-content: flex-end;
gap: 8px;
}
`;
connectedCallback(): void {
super.connectedCallback();
this._onKey = this._onKey.bind(this);
window.addEventListener('keydown', this._onKey);
}
disconnectedCallback(): void {
window.removeEventListener('keydown', this._onKey);
super.disconnectedCallback();
}
private _onKey(e: KeyboardEvent) {
if (this.open && e.key === 'Escape') this._close();
}
private _close() {
this.open = false;
this.dispatchEvent(new CustomEvent('hc-modal-close', { bubbles: true, composed: true }));
}
render() {
if (!this.open) return html``;
return html`
<div class="backdrop" @click=${(e: Event) => { if (e.target === e.currentTarget) this._close(); }}>
<div class="dialog" role="dialog" aria-modal="true" aria-label=${this.heading}>
<header>
<span>${this.heading}</span>
<button class="close" @click=${this._close} aria-label="Close">×</button>
</header>
<div class="body"><slot></slot></div>
<div class="footer"><slot name="footer"></slot></div>
</div>
</div>
`;
}
}
declare global { interface HTMLElementTagNameMap { 'hc-modal': Modal; } }