utils.ts

export const durationUnitRegex = /[a-zA-Z]/;

export const calculateRgba = (color, opacity) => {
  if (color[0] === "#") {
    color = color.slice(1);
  }

  if (color.length === 3) {
    let res = "";
    color.split("").forEach((c) => {
      res += c;
      res += c;
    });
    color = res;
  }

  const rgbValues = (color.match(/.{2}/g) || [])
    .map((hex) => parseInt(hex, 16))
    .join(", ");

  return `rgba(${rgbValues}, ${opacity})`;
};

export const range = (size, startAt = 0) =>
  [...Array(size).keys()].map(i => i + startAt);

// export const characterRange = (startChar, endChar) =>
//   String.fromCharCode(
//     ...range(
//       endChar.charCodeAt(0) - startChar.charCodeAt(0),
//       startChar.charCodeAt(0)
//     )
//   );

// export const zip = (arr, ...arrs) =>
//   arr.map((val, i) => arrs.reduce((list, curr) => [...list, curr[i]], [val]));