@seasketch/geoprocessing/dist/src/toolbox/cleanCoords.test.js

Geoprocessing and reporting framework for SeaSketch 2.0

import { describe, test, expect } from "vitest";
import { cleanCoords } from "./cleanCoords.js";
import { feature, featureCollection } from "@turf/turf";
describe("cleanCoords", () => {
    test("cleanCoords Polygon", async () => {
        const poly = feature({
            type: "Polygon",
            coordinates: [
                [
                    [175, -92],
                    [182, -92],
                    [182, -15],
                    [175, -15],
                    [175, -92],
                ],
            ],
        });
        const result = cleanCoords(poly);
        // 182 should be cleaned to -178 and -92 should be cleaned to 88
        expect(result.geometry.coordinates).toEqual([
            [
                [175, 88],
                [-178, 88],
                [-178, -15],
                [175, -15],
                [175, 88],
            ],
        ]);
    });
    test("cleanCoords FeatureCollection", async () => {
        const poly = feature({
            type: "Polygon",
            coordinates: [
                [
                    [175, -92],
                    [182, -92],
                    [182, -15],
                    [175, -15],
                    [175, -92],
                ],
            ],
        });
        const fc = featureCollection([poly]);
        const result = cleanCoords(fc);
        expect(result.type).toBe("FeatureCollection");
        expect(result.features.length).toBe(1);
        expect(result.features[0].geometry.coordinates).toEqual([
            [
                [175, 88],
                [-178, 88],
                [-178, -15],
                [175, -15],
                [175, 88],
            ],
        ]);
    });
});
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