seba-ban/multidimensional-array-generator

typescript and generator exercise

Just some exercise in typescript. The idea was to create a generator that takes multi-array as an argument and on each iteration yields an array of each nested values together with all the indices pointing to that value. So, for example, here:

const multi = [
  [
    ["a", "b"],
    ["c", "d"],
  ],
  [
    ["e", "f"],
    ["g", "h"],
  ],
];

const doSomethingOnIteration = (
  iterationValue: ValueIndexTuple<typeof multi>
) => {
  console.log(iterationValue);
};

for (const el of iterateArrays(multi)) doSomethingOnIteration(el);

el on the first iteration would be: [ "a", 0, 0 ] etc.

So as typescript exercise, I wanted el to be properly types as [ string, number, number ], for three-dimensional arrays [ T, number, number, number ] etc. Check out examples.