/*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; };