fangliao-houtai/node_modules/@iconify/utils/lib/customisations/rotate.mjs

function rotateFromString(value, defaultValue = 0) {
  const units = value.replace(/^-?[0-9.]*/, "");
  function cleanup(value2) {
    while (value2 < 0) {
      value2 += 4;
    }
    return value2 % 4;
  }
  if (units === "") {
    const num = parseInt(value);
    return isNaN(num) ? 0 : cleanup(num);
  } else if (units !== value) {
    let split = 0;
    switch (units) {
      case "%":
        split = 25;
        break;
      case "deg":
        split = 90;
    }
    if (split) {
      let num = parseFloat(value.slice(0, value.length - units.length));
      if (isNaN(num)) {
        return 0;
      }
      num = num / split;
      return num % 1 === 0 ? cleanup(num) : 0;
    }
  }
  return defaultValue;
}

export { rotateFromString };