Write LilScript. Ship less JavaScript.

class Vector {
  float x;
  float y;

  init(float x, float y) {
    this.x = x;
    this.y = y;
  }

  float lengthSquared() {
    return this.x * this.x + this.y * this.y;
  }
}

int[] values = [1, 2, 3, 4];
auto doubled = values.map((int value) => value * 2);
int sum = 0;
for (int i = 0; i < doubled.length; i++) {
  sum += doubled[i];
}
Vector vector = new Vector(3.0, 4.0);
if (vector.lengthSquared() == 25.0) {
  print(`sum=${sum}`);
}

var b=[1,2,3,4].map(a=>a*2|0);
var a=0,c=0;
while(a<b.length){
  c=c+b[a]|0;
  a=a+1|0;
}
console.log(`sum=${c}`)