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Add max-zoom, min-zoom and max-bounds attributes to l-map connectedCallback #64

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Merged
merged 1 commit into from
Aug 19, 2025
Merged

Add max-zoom, min-zoom and max-bounds attributes to l-map connectedCallback #64

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9 changes: 9 additions & 0 deletions src/l-map.js
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,15 @@ class LMap extends HTMLElement {

connectedCallback() {
const options = { zoomControl: this.hasAttribute("zoom-control") };
if (this.hasAttribute("max-zoom")) {
options.maxZoom = parseFloat(this.getAttribute("max-zoom"));
}
if (this.hasAttribute("min-zoom")) {
options.minZoom = parseFloat(this.getAttribute("min-zoom"));
}
if (this.hasAttribute("max-bounds")) {
options.maxBounds = JSON.parse(this.getAttribute("max-bounds"));
}
if (this.hasAttribute("attribution-control")) {
options["attributionControl"] = this.getAttribute("attribution-control").toLowerCase() === "true";
}
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21 changes: 20 additions & 1 deletion src/l-map.test.js
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Expand Up @@ -4,7 +4,7 @@ import { layerRemoved, layerConnected } from "./events"
import { vi, it, expect } from "vitest";
import LTileLayer from "./l-tile-layer";
import LMap from "./l-map.js";
import { map } from "leaflet";
import { map, latLngBounds } from "leaflet";

it("should emit map:addTo event(s)", async () => {
// Arrange: create a <l-map><l-tile-layer>... arrangement
Expand Down Expand Up @@ -142,3 +142,22 @@ it("should remove attributionControl given attribution-control=true attribute",
document.body.appendChild(el);
expect(el.map.attributionControl).not.toBe(undefined);
})

it("should set maxZoom and minZoom given max-zoom and min-zoom attribute", () => {
const el = document.createElement("l-map");
el.setAttribute("zoom", "0");
el.setAttribute("center", "[0,0]");
el.setAttribute("max-zoom", "5");
el.setAttribute("min-zoom", "0");
document.body.appendChild(el);
expect(el.map.options).toEqual({ zoomControl: false, maxZoom: 5, minZoom: 0 });
})

it("should set maxBounds given max-bounds attribute", () => {
const el = document.createElement("l-map");
el.setAttribute("zoom", "0");
el.setAttribute("center", "[0,0]");
el.setAttribute("max-bounds", "[[0, 0], [1, 1]]");
document.body.appendChild(el);
expect(el.map.options).toEqual({ zoomControl: false, maxBounds: latLngBounds([[0, 0], [1, 1]]) });
})