把同事的代码重写得干净又整洁，老板却让我做回滚？

let Rectangle = {  resizeTopLeft(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeTopRight(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeBottomLeft(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeBottomRight(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },};
let Oval = {  resizeLeft(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeRight(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeTop(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeBottom(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },};
let Header = {  resizeLeft(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeRight(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  }
let TextBlock = {  resizeTopLeft(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeTopRight(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeBottomLeft(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },  resizeBottomRight(position, size, preserveAspect, dx, dy) {    // 10行重复的数学运算代码  },};

let Directions = {  top(...) {    // 5行不一样的数学运算代码  },  left(...) {    // 5行不一样的数学运算代码  },  bottom(...) {    // 5行不一样的数学运算代码  },  right(...) {    // 5行不一样的数学运算代码  },};
let Shapes = {  Oval(...) {    // 5行不一样的数学运算代码  },  Rectangle(...) {    // 5行不一样的数学运算代码  },}

let {top, bottom, left, right} = Directions;
function createHandle(directions) {  // 20行代码}
let fourCorners = [  createHandle([top, left]),  createHandle([top, right]),  createHandle([bottom, left]),  createHandle([bottom, right]),];let fourSides = [  createHandle([top]),  createHandle([left]),  createHandle([right]),  createHandle([bottom]),];let twoSides = [  createHandle([left]),  createHandle([right]),];
function createBox(shape, handles) {  // 20行代码}
let Rectangle = createBox(Shapes.Rectangle, fourCorners);let Oval = createBox(Shapes.Oval, fourSides);let Header = createBox(Shapes.Rectangle, twoSides);let TextBox = createBox(Shapes.Rectangle, fourCorners);