@seasketch/geoprocessing/dist/scripts/dataPrep/expand.js

Geoprocessing and reporting framework for SeaSketch 2.0

/**
 * Expands bboxA to incorporate bboxB
 * @param bboxA
 * @param bboxB
 */
export default function expand(bboxA, bboxB) {
    if (bboxA) {
        const returnVal = [...bboxA];
        if (bboxB[0] < bboxA[0]) {
            returnVal[0] = bboxB[0];
        }
        if (bboxB[1] < bboxA[1]) {
            returnVal[1] = bboxB[1];
        }
        if (bboxB[2] > bboxA[2]) {
            returnVal[2] = bboxB[2];
        }
        if (bboxB[3] > bboxA[3]) {
            returnVal[3] = bboxB[3];
        }
        return returnVal;
    }
    else {
        return bboxB;
    }
}
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