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File Content: `utils.js`

/*global navigator*/
'use strict';

const {
  REGEX_BACKSLASH,
  REGEX_REMOVE_BACKSLASH,
  REGEX_SPECIAL_CHARS,
  REGEX_SPECIAL_CHARS_GLOBAL
} = require('./constants');

exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str);
exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str);
exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1');
exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/');

exports.isWindows = () => {
  if (typeof navigator !== 'undefined' && navigator.platform) {
    const platform = navigator.platform.toLowerCase();
    return platform === 'win32' || platform === 'windows';
  }

  if (typeof process !== 'undefined' && process.platform) {
    return process.platform === 'win32';
  }

  return false;
};

exports.removeBackslashes = str => {
  return str.replace(REGEX_REMOVE_BACKSLASH, match => {
    return match === '\\' ? '' : match;
  });
};

exports.escapeLast = (input, char, lastIdx) => {
  const idx = input.lastIndexOf(char, lastIdx);
  if (idx === -1) return input;
  if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1);
  return `${input.slice(0, idx)}\\${input.slice(idx)}`;
};

exports.removePrefix = (input, state = {}) => {
  let output = input;
  if (output.startsWith('./')) {
    output = output.slice(2);
    state.prefix = './';
  }
  return output;
};

exports.wrapOutput = (input, state = {}, options = {}) => {
  const prepend = options.contains ? '' : '^';
  const append = options.contains ? '' : '$';

  let output = `${prepend}(?:${input})${append}`;
  if (state.negated === true) {
    output = `(?:^(?!${output}).*$)`;
  }
  return output;
};

exports.basename = (path, { windows } = {}) => {
  const segs = path.split(windows ? /[\\/]/ : '/');
  const last = segs[segs.length - 1];

  if (last === '') {
    return segs[segs.length - 2];
  }

  return last;
};
Name	Size	Permission
constants.js	4458 bytes	0644
parse.js	27544 bytes	0644
picomatch.js	9881 bytes	0644
scan.js	9189 bytes	0644
utils.js	1994 bytes	0644
File Content: utils.js

File Content: `utils.js`
