import require$$0 from 'node:util';
import { toRegexRange_1 } from '../../../to-regex-range@5.0.1/node_modules/to-regex-range/index.mjs';

/*!
 * fill-range <https://github.com/jonschlinkert/fill-range>
 *
 * Copyright (c) 2014-present, Jon Schlinkert.
 * Licensed under the MIT License.
 */
const util = require$$0;
const toRegexRange = toRegexRange_1;
const isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
const transform = toNumber => {
  return value => toNumber === true ? Number(value) : String(value);
};
const isValidValue = value => {
  return typeof value === 'number' || typeof value === 'string' && value !== '';
};
const isNumber = num => Number.isInteger(+num);
const zeros = input => {
  let value = `${input}`;
  let index = -1;
  if (value[0] === '-') value = value.slice(1);
  if (value === '0') return false;
  while (value[++index] === '0');
  return index > 0;
};
const stringify = (start, end, options) => {
  if (typeof start === 'string' || typeof end === 'string') {
    return true;
  }
  return options.stringify === true;
};
const pad = (input, maxLength, toNumber) => {
  if (maxLength > 0) {
    let dash = input[0] === '-' ? '-' : '';
    if (dash) input = input.slice(1);
    input = dash + input.padStart(dash ? maxLength - 1 : maxLength, '0');
  }
  if (toNumber === false) {
    return String(input);
  }
  return input;
};
const toMaxLen = (input, maxLength) => {
  let negative = input[0] === '-' ? '-' : '';
  if (negative) {
    input = input.slice(1);
    maxLength--;
  }
  while (input.length < maxLength) input = '0' + input;
  return negative ? '-' + input : input;
};
const toSequence = (parts, options) => {
  parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
  parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
  let prefix = options.capture ? '' : '?:';
  let positives = '';
  let negatives = '';
  let result;
  if (parts.positives.length) {
    positives = parts.positives.join('|');
  }
  if (parts.negatives.length) {
    negatives = `-(${prefix}${parts.negatives.join('|')})`;
  }
  if (positives && negatives) {
    result = `${positives}|${negatives}`;
  } else {
    result = positives || negatives;
  }
  if (options.wrap) {
    return `(${prefix}${result})`;
  }
  return result;
};
const toRange = (a, b, isNumbers, options) => {
  if (isNumbers) {
    return toRegexRange(a, b, {
      wrap: false,
      ...options
    });
  }
  let start = String.fromCharCode(a);
  if (a === b) return start;
  let stop = String.fromCharCode(b);
  return `[${start}-${stop}]`;
};
const toRegex = (start, end, options) => {
  if (Array.isArray(start)) {
    let wrap = options.wrap === true;
    let prefix = options.capture ? '' : '?:';
    return wrap ? `(${prefix}${start.join('|')})` : start.join('|');
  }
  return toRegexRange(start, end, options);
};
const rangeError = (...args) => {
  return new RangeError('Invalid range arguments: ' + util.inspect(...args));
};
const invalidRange = (start, end, options) => {
  if (options.strictRanges === true) throw rangeError([start, end]);
  return [];
};
const invalidStep = (step, options) => {
  if (options.strictRanges === true) {
    throw new TypeError(`Expected step "${step}" to be a number`);
  }
  return [];
};
const fillNumbers = (start, end, step = 1, options = {}) => {
  let a = Number(start);
  let b = Number(end);
  if (!Number.isInteger(a) || !Number.isInteger(b)) {
    if (options.strictRanges === true) throw rangeError([start, end]);
    return [];
  }

  // fix negative zero
  if (a === 0) a = 0;
  if (b === 0) b = 0;
  let descending = a > b;
  let startString = String(start);
  let endString = String(end);
  let stepString = String(step);
  step = Math.max(Math.abs(step), 1);
  let padded = zeros(startString) || zeros(endString) || zeros(stepString);
  let maxLen = padded ? Math.max(startString.length, endString.length, stepString.length) : 0;
  let toNumber = padded === false && stringify(start, end, options) === false;
  let format = options.transform || transform(toNumber);
  if (options.toRegex && step === 1) {
    return toRange(toMaxLen(start, maxLen), toMaxLen(end, maxLen), true, options);
  }
  let parts = {
    negatives: [],
    positives: []
  };
  let push = num => parts[num < 0 ? 'negatives' : 'positives'].push(Math.abs(num));
  let range = [];
  let index = 0;
  while (descending ? a >= b : a <= b) {
    if (options.toRegex === true && step > 1) {
      push(a);
    } else {
      range.push(pad(format(a, index), maxLen, toNumber));
    }
    a = descending ? a - step : a + step;
    index++;
  }
  if (options.toRegex === true) {
    return step > 1 ? toSequence(parts, options) : toRegex(range, null, {
      wrap: false,
      ...options
    });
  }
  return range;
};
const fillLetters = (start, end, step = 1, options = {}) => {
  if (!isNumber(start) && start.length > 1 || !isNumber(end) && end.length > 1) {
    return invalidRange(start, end, options);
  }
  let format = options.transform || (val => String.fromCharCode(val));
  let a = `${start}`.charCodeAt(0);
  let b = `${end}`.charCodeAt(0);
  let descending = a > b;
  let min = Math.min(a, b);
  let max = Math.max(a, b);
  if (options.toRegex && step === 1) {
    return toRange(min, max, false, options);
  }
  let range = [];
  let index = 0;
  while (descending ? a >= b : a <= b) {
    range.push(format(a, index));
    a = descending ? a - step : a + step;
    index++;
  }
  if (options.toRegex === true) {
    return toRegex(range, null, {
      wrap: false,
      options
    });
  }
  return range;
};
const fill = (start, end, step, options = {}) => {
  if (end == null && isValidValue(start)) {
    return [start];
  }
  if (!isValidValue(start) || !isValidValue(end)) {
    return invalidRange(start, end, options);
  }
  if (typeof step === 'function') {
    return fill(start, end, 1, {
      transform: step
    });
  }
  if (isObject(step)) {
    return fill(start, end, 0, step);
  }
  let opts = {
    ...options
  };
  if (opts.capture === true) opts.wrap = true;
  step = step || opts.step || 1;
  if (!isNumber(step)) {
    if (step != null && !isObject(step)) return invalidStep(step, opts);
    return fill(start, end, 1, step);
  }
  if (isNumber(start) && isNumber(end)) {
    return fillNumbers(start, end, step, opts);
  }
  return fillLetters(start, end, Math.max(Math.abs(step), 1), opts);
};
var fillRange = fill;

export { fillRange };
