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					180 lines
				
				4.3 KiB
			
		
		
			
		
	
	
					180 lines
				
				4.3 KiB
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											4 years ago
										 
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								'use strict';
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								const path = require('path');
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								const WIN_SLASH = '\\\\/';
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								const WIN_NO_SLASH = `[^${WIN_SLASH}]`;
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								/**
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								 * Posix glob regex
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								 */
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								const DOT_LITERAL = '\\.';
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								const PLUS_LITERAL = '\\+';
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								const QMARK_LITERAL = '\\?';
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								const SLASH_LITERAL = '\\/';
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								const ONE_CHAR = '(?=.)';
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								const QMARK = '[^/]';
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								const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`;
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								const START_ANCHOR = `(?:^|${SLASH_LITERAL})`;
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								const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`;
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								const NO_DOT = `(?!${DOT_LITERAL})`;
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								const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`;
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								const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`;
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								const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`;
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								const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`;
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								const STAR = `${QMARK}*?`;
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								const POSIX_CHARS = {
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								  DOT_LITERAL,
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								  PLUS_LITERAL,
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								  QMARK_LITERAL,
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								  SLASH_LITERAL,
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								  ONE_CHAR,
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								  QMARK,
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								  END_ANCHOR,
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								  DOTS_SLASH,
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								  NO_DOT,
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								  NO_DOTS,
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								  NO_DOT_SLASH,
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								  NO_DOTS_SLASH,
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								  QMARK_NO_DOT,
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								  STAR,
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								  START_ANCHOR
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								};
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								/**
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								 * Windows glob regex
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								 */
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								const WINDOWS_CHARS = {
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								  ...POSIX_CHARS,
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								  SLASH_LITERAL: `[${WIN_SLASH}]`,
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								  QMARK: WIN_NO_SLASH,
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								  STAR: `${WIN_NO_SLASH}*?`,
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								  DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`,
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								  NO_DOT: `(?!${DOT_LITERAL})`,
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								  NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
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								  NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`,
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								  NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
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								  QMARK_NO_DOT: `[^.${WIN_SLASH}]`,
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								  START_ANCHOR: `(?:^|[${WIN_SLASH}])`,
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								  END_ANCHOR: `(?:[${WIN_SLASH}]|$)`
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								};
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								/**
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								 * POSIX Bracket Regex
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								 */
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								const POSIX_REGEX_SOURCE = {
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								  alnum: 'a-zA-Z0-9',
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								  alpha: 'a-zA-Z',
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								  ascii: '\\x00-\\x7F',
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								  blank: ' \\t',
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								  cntrl: '\\x00-\\x1F\\x7F',
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								  digit: '0-9',
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								  graph: '\\x21-\\x7E',
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								  lower: 'a-z',
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								  print: '\\x20-\\x7E ',
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								  punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
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								  space: ' \\t\\r\\n\\v\\f',
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								  upper: 'A-Z',
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								  word: 'A-Za-z0-9_',
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								  xdigit: 'A-Fa-f0-9'
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								};
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								module.exports = {
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								  MAX_LENGTH: 1024 * 64,
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								  POSIX_REGEX_SOURCE,
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								  // regular expressions
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								  REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g,
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								  REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/,
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								  REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/,
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								  REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g,
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								  REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g,
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								  REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g,
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								  // Replace globs with equivalent patterns to reduce parsing time.
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								  REPLACEMENTS: {
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								    '***': '*',
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								    '**/**': '**',
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								    '**/**/**': '**'
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								  },
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								  // Digits
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								  CHAR_0: 48, /* 0 */
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								  CHAR_9: 57, /* 9 */
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								  // Alphabet chars.
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								  CHAR_UPPERCASE_A: 65, /* A */
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								  CHAR_LOWERCASE_A: 97, /* a */
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								  CHAR_UPPERCASE_Z: 90, /* Z */
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								  CHAR_LOWERCASE_Z: 122, /* z */
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								  CHAR_LEFT_PARENTHESES: 40, /* ( */
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								  CHAR_RIGHT_PARENTHESES: 41, /* ) */
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								  CHAR_ASTERISK: 42, /* * */
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								  // Non-alphabetic chars.
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								  CHAR_AMPERSAND: 38, /* & */
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								  CHAR_AT: 64, /* @ */
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								  CHAR_BACKWARD_SLASH: 92, /* \ */
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								  CHAR_CARRIAGE_RETURN: 13, /* \r */
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								  CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */
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								  CHAR_COLON: 58, /* : */
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								  CHAR_COMMA: 44, /* , */
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								  CHAR_DOT: 46, /* . */
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								  CHAR_DOUBLE_QUOTE: 34, /* " */
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								  CHAR_EQUAL: 61, /* = */
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								  CHAR_EXCLAMATION_MARK: 33, /* ! */
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								  CHAR_FORM_FEED: 12, /* \f */
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								  CHAR_FORWARD_SLASH: 47, /* / */
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								  CHAR_GRAVE_ACCENT: 96, /* ` */
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								  CHAR_HASH: 35, /* # */
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								  CHAR_HYPHEN_MINUS: 45, /* - */
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								  CHAR_LEFT_ANGLE_BRACKET: 60, /* < */
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								  CHAR_LEFT_CURLY_BRACE: 123, /* { */
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								  CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */
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								  CHAR_LINE_FEED: 10, /* \n */
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								  CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */
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								  CHAR_PERCENT: 37, /* % */
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								  CHAR_PLUS: 43, /* + */
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								  CHAR_QUESTION_MARK: 63, /* ? */
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								  CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */
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								  CHAR_RIGHT_CURLY_BRACE: 125, /* } */
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								  CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */
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								  CHAR_SEMICOLON: 59, /* ; */
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								  CHAR_SINGLE_QUOTE: 39, /* ' */
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								  CHAR_SPACE: 32, /*   */
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								  CHAR_TAB: 9, /* \t */
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								  CHAR_UNDERSCORE: 95, /* _ */
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								  CHAR_VERTICAL_LINE: 124, /* | */
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								  CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */
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								  SEP: path.sep,
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								  /**
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								   * Create EXTGLOB_CHARS
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								   */
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								  extglobChars(chars) {
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								    return {
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								      '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` },
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								      '?': { type: 'qmark', open: '(?:', close: ')?' },
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								      '+': { type: 'plus', open: '(?:', close: ')+' },
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								      '*': { type: 'star', open: '(?:', close: ')*' },
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								      '@': { type: 'at', open: '(?:', close: ')' }
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								    };
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								  },
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								  /**
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								   * Create GLOB_CHARS
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								   */
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								  globChars(win32) {
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								    return win32 === true ? WINDOWS_CHARS : POSIX_CHARS;
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								  }
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								};
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