Added geoJSON source getBounds method

.github/workflows/auto-merge-dependabot.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v2.2.0
+        uses: dependabot/fetch-metadata@v2.3.0
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
       - name: Approve Dependabot PRs

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### ✨ Features and improvements
 
+- Added `getBounds()` method to `GeoJSONSource` ([#5403](https://github.com/maplibre/maplibre-gl-js/pull/5403))
 - _...Add new stuff here..._
 
 ### 🐞 Bug fixes

package.json

@@ -78,7 +78,7 @@
     "@typescript-eslint/eslint-plugin": "^8.21.0",
     "@typescript-eslint/parser": "^8.21.0",
     "@vitest/coverage-v8": "3.0.3",
-    "@vitest/ui": "3.0.3",
+    "@vitest/ui": "3.0.4",
     "address": "^2.0.3",
     "autoprefixer": "^10.4.20",
     "benchmark": "^2.1.4",
@@ -126,7 +126,7 @@
     "shuffle-seed": "^1.1.6",
     "source-map-explorer": "^2.5.3",
     "st": "^3.0.1",
-    "stylelint": "^16.13.2",
+    "stylelint": "^16.14.0",
     "stylelint-config-standard": "^37.0.0",
     "ts-node": "^10.9.2",
     "tslib": "^2.8.1",

src/source/geojson_source.test.ts

@@ -12,6 +12,7 @@ import {SubdivisionGranularitySetting} from '../render/subdivision_granularity_s
 import {type ActorMessage, MessageType} from '../util/actor_messages';
 import {type Actor} from '../util/actor';
 import {MercatorTransform} from '../geo/projection/mercator_transform';
+import {LngLatBounds} from '../geo/lng_lat_bounds';
 
 const wrapDispatcher = (dispatcher) => {
     return {
@@ -506,3 +507,11 @@ describe('GeoJSONSource#serialize', () => {
         });
     });
 });
+
+describe('GeoJSONSource#getBounds', () => {
+    test('returns bounds', () => {
+        const source = new GeoJSONSource('id', {data: hawkHill} as GeoJSONSourceOptions, mockDispatcher, undefined);
+        const bounds = new LngLatBounds([-122.493782, 37.82880237, -122.4833965, 37.83381888]);
+        expect(source.getBounds()).toBe(bounds);
+    });
+});

src/source/geojson_source.ts

@@ -15,6 +15,7 @@ import type {GeoJSONSourceDiff} from './geojson_source_diff';
 import type {GeoJSONWorkerOptions, LoadGeoJSONParameters} from './geojson_worker_source';
 import {type WorkerTileParameters} from './worker_source';
 import {MessageType} from '../util/actor_messages';
+import {LngLatBounds} from '../geo/lng_lat_bounds';
 
 /**
  * Options object for GeoJSONSource.
@@ -249,6 +250,24 @@ export class GeoJSONSource extends Evented implements Source {
         return this.actor.sendAsync({type: MessageType.getData, data: options});
     }
 
+    /**
+     * Allows to get the source's actual boundaries.
+     *
+     * @returns a promise which resolves to the source's actual boundaries
+     */
+
+    async getBounds(): LngLatBounds {
+        const bounds = new LngLatBounds();
+        const data = await this.getData();
+        const coordinates = data.features
+            .map(f => f.geometry.coordinates.flat(Infinity))
+            .reduce((acc, cur) => [...acc, ...cur],[]);
+        for(let i = 0; i < coordinates.length - 1; i += 2){
+            bounds.extend([coordinates[i], coordinates[i+1]]);
+        }
+        return bounds;
+    }
+
     /**
      * To disable/enable clustering on the source options
      * @param options - The options to set