"use strict";
function squaredDistanceToLineSegment(x, y, x1, y1, x2, y2) {
  const a = x - x1;
  const b = y - y1;
  const c = x2 - x1;
  const d = y2 - y1;
  const dot = a * c + b * d;
  const lenSq = c * c + d * d;
  let param = -1;
  if (lenSq !== 0) {
    param = dot / lenSq;
  }
  let xx;
  let yy;
  if (param < 0) {
    xx = x1;
    yy = y1;
  } else if (param > 1) {
    xx = x2;
    yy = y2;
  } else {
    xx = x1 + param * c;
    yy = y1 + param * d;
  }
  const dx = x - xx;
  const dy = y - yy;
  return dx * dx + dy * dy;
}

export { squaredDistanceToLineSegment };
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