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180 lines
4.3 KiB
180 lines
4.3 KiB
1 year 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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