image-js/lib/draw/utils/deleteDuplicates.js

Image processing and manipulation in JavaScript

/**
 * Remove duplicate points from array.
 * @param points - Polygon points array.
 * @returns Cleaned polygon points array.
 */
export function deleteDuplicates(points) {
    const finalPoints = [];
    for (let i = 0; i < points.length; i++) {
        if (points[i].column === points[(i + 1) % points.length].column &&
            points[i].row === points[(i + 1) % points.length].row) {
            continue;
        }
        else {
            finalPoints.push(points[i]);
        }
    }
    return finalPoints;
}
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