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constants.js4.4 KB · 185 lines
'use strict'; const WIN_SLASH = '\\\\/';const WIN_NO_SLASH = `[^${WIN_SLASH}]`; const DEFAULT_MAX_EXTGLOB_RECURSION = 0; /** * Posix glob regex */ const DOT_LITERAL = '\\.';const PLUS_LITERAL = '\\+';const QMARK_LITERAL = '\\?';const SLASH_LITERAL = '\\/';const ONE_CHAR = '(?=.)';const QMARK = '[^/]';const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`;const START_ANCHOR = `(?:^|${SLASH_LITERAL})`;const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`;const NO_DOT = `(?!${DOT_LITERAL})`;const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`;const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`;const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`;const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`;const STAR = `${QMARK}*?`;const SEP = '/'; const POSIX_CHARS = {  DOT_LITERAL,  PLUS_LITERAL,  QMARK_LITERAL,  SLASH_LITERAL,  ONE_CHAR,  QMARK,  END_ANCHOR,  DOTS_SLASH,  NO_DOT,  NO_DOTS,  NO_DOT_SLASH,  NO_DOTS_SLASH,  QMARK_NO_DOT,  STAR,  START_ANCHOR,  SEP}; /** * Windows glob regex */ const WINDOWS_CHARS = {  ...POSIX_CHARS,   SLASH_LITERAL: `[${WIN_SLASH}]`,  QMARK: WIN_NO_SLASH,  STAR: `${WIN_NO_SLASH}*?`,  DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`,  NO_DOT: `(?!${DOT_LITERAL})`,  NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,  NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`,  NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,  QMARK_NO_DOT: `[^.${WIN_SLASH}]`,  START_ANCHOR: `(?:^|[${WIN_SLASH}])`,  END_ANCHOR: `(?:[${WIN_SLASH}]|$)`,  SEP: '\\'}; /** * POSIX Bracket Regex */ const POSIX_REGEX_SOURCE = {  __proto__: null,  alnum: 'a-zA-Z0-9',  alpha: 'a-zA-Z',  ascii: '\\x00-\\x7F',  blank: ' \\t',  cntrl: '\\x00-\\x1F\\x7F',  digit: '0-9',  graph: '\\x21-\\x7E',  lower: 'a-z',  print: '\\x20-\\x7E ',  punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',  space: ' \\t\\r\\n\\v\\f',  upper: 'A-Z',  word: 'A-Za-z0-9_',  xdigit: 'A-Fa-f0-9'}; module.exports = {  DEFAULT_MAX_EXTGLOB_RECURSION,  MAX_LENGTH: 1024 * 64,  POSIX_REGEX_SOURCE,   // regular expressions  REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g,  REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/,  REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/,  REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g,  REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g,  REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g,   // Replace globs with equivalent patterns to reduce parsing time.  REPLACEMENTS: {    __proto__: null,    '***': '*',    '**/**': '**',    '**/**/**': '**'  },   // Digits  CHAR_0: 48, /* 0 */  CHAR_9: 57, /* 9 */   // Alphabet chars.  CHAR_UPPERCASE_A: 65, /* A */  CHAR_LOWERCASE_A: 97, /* a */  CHAR_UPPERCASE_Z: 90, /* Z */  CHAR_LOWERCASE_Z: 122, /* z */   CHAR_LEFT_PARENTHESES: 40, /* ( */  CHAR_RIGHT_PARENTHESES: 41, /* ) */   CHAR_ASTERISK: 42, /* * */   // Non-alphabetic chars.  CHAR_AMPERSAND: 38, /* & */  CHAR_AT: 64, /* @ */  CHAR_BACKWARD_SLASH: 92, /* \ */  CHAR_CARRIAGE_RETURN: 13, /* \r */  CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */  CHAR_COLON: 58, /* : */  CHAR_COMMA: 44, /* , */  CHAR_DOT: 46, /* . */  CHAR_DOUBLE_QUOTE: 34, /* " */  CHAR_EQUAL: 61, /* = */  CHAR_EXCLAMATION_MARK: 33, /* ! */  CHAR_FORM_FEED: 12, /* \f */  CHAR_FORWARD_SLASH: 47, /* / */  CHAR_GRAVE_ACCENT: 96, /* ` */  CHAR_HASH: 35, /* # */  CHAR_HYPHEN_MINUS: 45, /* - */  CHAR_LEFT_ANGLE_BRACKET: 60, /* < */  CHAR_LEFT_CURLY_BRACE: 123, /* { */  CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */  CHAR_LINE_FEED: 10, /* \n */  CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */  CHAR_PERCENT: 37, /* % */  CHAR_PLUS: 43, /* + */  CHAR_QUESTION_MARK: 63, /* ? */  CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */  CHAR_RIGHT_CURLY_BRACE: 125, /* } */  CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */  CHAR_SEMICOLON: 59, /* ; */  CHAR_SINGLE_QUOTE: 39, /* ' */  CHAR_SPACE: 32, /*   */  CHAR_TAB: 9, /* \t */  CHAR_UNDERSCORE: 95, /* _ */  CHAR_VERTICAL_LINE: 124, /* | */  CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */   /**   * Create EXTGLOB_CHARS   */   extglobChars(chars) {    return {      '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` },      '?': { type: 'qmark', open: '(?:', close: ')?' },      '+': { type: 'plus', open: '(?:', close: ')+' },      '*': { type: 'star', open: '(?:', close: ')*' },      '@': { type: 'at', open: '(?:', close: ')' }    };  },   /**   * Create GLOB_CHARS   */   globChars(win32) {    return win32 === true ? WINDOWS_CHARS : POSIX_CHARS;  }};