function f(e = "", r = " ") {
  return { line: e, indent: r, level: 0, offsetHead: 0, offsetTail: 0 };
}
function o(e) {
  if (typeof e != "object" || !e || typeof e.level != "number")
    throw new Error("'lineData' must be an object with string line and numeric level properties");
  if (typeof e.indent != "string" || e.indent.length === 0 || e.indent.length > 1)
    throw new Error("'lineData.indent' must be a single-character string");
  if (typeof e.line != "string")
    throw new Error("'lineData.line' must be a string");
  let r = 0;
  if (!e.line.length)
    e.level = e.level, e.offsetHead = 0, e.offsetTail = 0;
  else {
    for (; e.line[r] === e.indent && r <= e.level + 1; )
      ++r;
    for (e.level = r, e.offsetHead = r, e.offsetTail = r; e.line[e.offsetTail] && e.line[e.offsetTail] !== " "; )
      ++e.offsetTail;
  }
  return e;
}
export {
  f as createLineData,
  o as parseLine
};