@antv/layout/lib/node_modules/d3-quadtree/src/extent.js

graph layout algorithm

function tree_extent$2(_) {
  return arguments.length
      ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1])
      : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]];
}

export { tree_extent$2 as default };
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