Function Ola

ola.js:69–110

(values, time = 300)

// The multidimensional constructor, makes a { value: init } if it's 1D
function Ola(values, time = 300) {
  // This is just an alias
  if (typeof values === "number") {
    values = { value: values };
  }

  // Loop over the first argument
  each(values, (init, key) => {
    const value = new Single(init, time / 1000);
    // But we are not interested in it; instead, set it as a ghost
    Object.defineProperty(values, "_" + key, { value });   // pos._x.to, pos._x.speed, ...
    Object.defineProperty(values, "$" + key, { get: () => value.to });   // pos.$x
    Object.defineProperty(values, key, {
      get: () => value.get(new Date()), // pos.x
      set: val => value.set(val), // pos.x = 10
      enumerable: true
    });
  });

  // pos.get('x')
  Object.defineProperty(values, "get", {
    get: () =>
      function(name = "value", now = new Date()) {
        return this["_" + name].get(now);
      }
  });

  // pos.set(10)
  // pos.set({ x: 10 })
  // pos.set({ x: 10 }, time)
  Object.defineProperty(values, "set", {
    get: () =>
      function(values, time = 0) {
        each(values, (value, key) => {
          this["_" + key].set(value, time / 1000);
        });
      }
  });

  // So that you can use the original methods
  return values;
}

export default Ola;