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47 lines
1.2 KiB
TypeScript
47 lines
1.2 KiB
TypeScript
import { TileLayer } from 'leaflet';
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import { registerChildren, unregisterChildren } from '../core/register.ts';
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import { WithProps, defineProps, num, str } from '../core/props.ts';
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import { buildAttrMap, buildOptions, setLayerAttr } from '../core/utils.ts';
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const PROPS = defineProps({
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url: str(),
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attribution: str(),
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minZoom: num(),
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maxZoom: num(18),
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opacity: num(1.0),
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zIndex: num(),
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});
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const PROP_BY_ATTR = buildAttrMap(PROPS);
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export class LeafletTileLayer extends WithProps(HTMLElement, PROPS) {
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#obj?: TileLayer;
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connectedCallback() {
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const url = this.getAttribute('url') || '';
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this.#obj = new TileLayer(url, buildOptions(this, PROPS, ['url']));
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registerChildren(this, this.#obj);
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}
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disconnectedCallback() {
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unregisterChildren(this);
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this.#obj?.remove();
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this.#obj = undefined;
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}
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get leafletObject() {
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return this.#obj;
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}
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attributeChangedCallback(name: string, _old: string | null, val: string | null) {
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if (!this.#obj) return;
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if (name === 'url') {
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if (val) this.#obj.setUrl(val);
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} else {
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setLayerAttr(this.#obj!, PROPS, PROP_BY_ATTR, name, val);
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}
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}
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}
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customElements.define('leaflet-tile-layer', LeafletTileLayer);
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