logs examle for https://github.com/trybick/tv-minder/pull/48

getColorForShowId.ts

export const getUniqueColorsForShowIds = (showIds: number[]) => {
  console.log("colors.length "+colors.length);
  console.log("showIds "+showIds);
  // get list of indicies in color array
  const listOfIndicies: number[] = showIds.map(id => {
    // using modulus operator, so if id = 103 and color.length = 100, then colorIndex will be 3
    const colorIndex = id % colors.length;
    return colorIndex;
  });

  console.log("listOfIndicies "+listOfIndicies);

  const usedIndicies: { [key: number]: boolean } = {};
  // trying to get unique numbers if have dublicates in listOfIndicies
  const uniqueIndices = listOfIndicies.map(index => {
    // counting the number of steps done while finding unique index
    var findUniqueIndexStepsCount = 0;
    var uniqueIndex = index;
    // stopping when tried all available color indices
    while (findUniqueIndexStepsCount < colors.length) {
      console.log(index+": trying to find unique replacement, testing - "+uniqueIndex);
      if (!usedIndicies.hasOwnProperty(uniqueIndex)) {
        break;
      } else {
        findUniqueIndexStepsCount++;
        // using modulus operator, so if colors.length = 3 and index = 2
        // will be trying to find unique index in cycle stepping like 2->3->0->1->2
        uniqueIndex = (uniqueIndex + 1) % colors.length;
      } 
    }
    console.log(index+ ": found unique replacement "+uniqueIndex);
    usedIndicies[uniqueIndex] = true;
    return uniqueIndex;
  });
  
  console.log("uniqueIndices "+Object.values(uniqueIndices));

  const uniqueColors = uniqueIndices.map(num => colors[num]);

  return uniqueColors;
};