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271 lines
7.3 KiB
271 lines
7.3 KiB
import { readdirSync, lstatSync, statSync } from 'fs';
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import { normalize, dirname, join, resolve, relative } from 'path';
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// MIT
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// tiny-glob, globrex and globalyzer by Terkel Gjervig
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const CHARS = { '{': '}', '(': ')', '[': ']' };
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const STRICT = /\\(.)|(^!|\*|[\].+)]\?|\[[^\\\]]+\]|\{[^\\}]+\}|\(\?[:!=][^\\)]+\)|\([^|]+\|[^\\)]+\)|(\\).|([@?!+*]\(.*\)))/;
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const RELAXED = /\\(.)|(^!|[*?{}()[\]]|\(\?)/;
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const isWin = process.platform === 'win32';
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const SEP = isWin ? `\\\\+` : `\\/`;
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const SEP_ESC = isWin ? `\\\\` : `/`;
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const GLOBSTAR = `((?:[^/]*(?:/|$))*)`;
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const WILDCARD = `([^/]*)`;
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const GLOBSTAR_SEGMENT = `((?:[^${SEP_ESC}]*(?:${SEP_ESC}|$))*)`;
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const WILDCARD_SEGMENT = `([^${SEP_ESC}]*)`;
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const isHidden = /(^|[\\/])\.[^\\/.]/g;
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let CACHE = {};
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function isglob(str, { strict = true } = {}) {
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if (str === '') return false;
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let match;
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const rgx = strict ? STRICT : RELAXED;
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while ((match = rgx.exec(str))) {
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if (match[2]) return true;
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let idx = match.index + match[0].length;
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const open = match[1];
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const close = open ? CHARS[open] : null;
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let n;
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if (open && close) if ((n = str.indexOf(close, idx)) !== -1) idx = n + 1;
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str = str.slice(idx);
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}
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return false;
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}
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function parent(str, { strict = false } = {}) {
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str = normalize(str).replace(/\/|\\/, '/');
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if (/[{[].*[/]*.*[}]]$/.test(str)) str += '/';
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str += 'a';
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do str = dirname(str);
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while (isglob(str, { strict }) || /(^|[^\\])([{[]|\([^)]+$)/.test(str));
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return str.replace(/\\([*?|[\](){}])/g, '$1');
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}
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function globalyzer(pattern, opts = {}) {
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let base = parent(pattern, opts);
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const isGlob = isglob(pattern, opts);
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let glob;
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if (base != '.') {
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if ((glob = pattern.substr(base.length)).startsWith('/')) glob = glob.substr(1);
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} else glob = pattern;
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if (!isGlob) glob = (base = dirname(pattern)) !== '.' ? pattern.substr(base.length) : pattern;
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if (glob.startsWith('./')) glob = glob.substr(2);
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if (glob.startsWith('/')) glob = glob.substr(1);
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return { base, glob, isGlob };
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}
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function globrex(glob, { extended = false, globstar = false, strict = false, filepath = false, flags = '' } = {}) {
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let regex = '';
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let segment = '';
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const path = {
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regex: '',
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segments: [],
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globstar: undefined,
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};
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let inGroup = false;
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let inRange = false;
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const ext = [];
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function add(str, { split = false, last = false, only = '' } = {}) {
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if (only !== 'path') regex += str;
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if (filepath && only !== 'regex') {
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path.regex += str === '\\/' ? SEP : str;
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if (split) {
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if (last) segment += str;
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if (segment !== '') {
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if (!flags.includes('g')) segment = `^${segment}$`; // change it 'includes'
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path.segments.push(new RegExp(segment, flags));
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}
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segment = '';
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} else {
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segment += str;
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}
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}
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}
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const escaped = (condition, str = c) => add(condition ? str : `//${c}`);
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let c, n;
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for (let i = 0; i < glob.length; i++) {
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c = glob[i];
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n = glob[i + 1];
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if (['\\', '$', '^', '.', '='].includes(c)) {
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add(`\\${c}`);
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continue;
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}
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switch (c) {
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case '/': {
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add(`\\${c}`, { split: true });
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if (n === '/' && !strict) regex += '?';
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break;
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}
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case '|':
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case '(': {
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escaped(ext.length);
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break;
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}
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case ')': {
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if (ext.length) {
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add(c);
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const type = ext.pop();
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if (type === '@') {
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add('{1}');
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} else if (type === '!') {
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add('([^/]*)');
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} else {
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add(type);
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}
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} else add(`\\${c}`);
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break;
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}
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case '+': {
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if (n === '(' && extended) {
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ext.push(c);
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} else add(`\\${c}`);
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break;
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}
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case '!': {
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if (extended) {
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if (inRange) {
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add('^');
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break;
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} else if (n === '(') {
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ext.push(c);
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i++;
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}
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}
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escaped(extended && n === '(', '(?!');
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break;
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}
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case '?': {
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if (extended && n === '(') {
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ext.push(c);
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} else {
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escaped(extended, '.');
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}
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break;
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}
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case '[': {
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if (inRange && n === ':') {
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i++; // skip [
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let value = '';
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while (glob[++i] !== ':') value += glob[i];
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if (value === 'alnum') add('(\\w|\\d)');
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else if (value === 'space') add('\\s');
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else if (value === 'digit') add('\\d');
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i++; // skip last ]
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break;
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} else if (extended) inRange = true;
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escaped(extended);
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break;
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}
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case ']': {
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if (extended) inRange = false;
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escaped(extended);
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break;
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}
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case '{': {
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if (extended) inGroup = true;
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escaped(extended, '(');
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break;
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}
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case '}': {
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if (extended) inGroup = false;
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escaped(extended, ')');
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break;
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}
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case ',': {
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escaped(inGroup, '|');
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break;
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}
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case '*': {
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if (n === '(' && extended) {
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ext.push(c);
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break;
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}
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const prevChar = glob[i - 1];
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let starCount = 1;
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while (glob[i + 1] === '*') {
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starCount++;
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i++;
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}
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const nextChar = glob[i + 1];
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if (!globstar) add('.*');
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else {
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const isGlobstar =
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starCount > 1 && (prevChar === '/' || prevChar === void 0) && (nextChar === '/' || nextChar === void 0);
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if (isGlobstar) {
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add(GLOBSTAR, { only: 'regex' });
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add(GLOBSTAR_SEGMENT, { only: 'path', last: true, split: true });
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i++;
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} else {
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add(WILDCARD, { only: 'regex' });
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add(WILDCARD_SEGMENT, { only: 'path' });
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}
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}
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break;
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}
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case '@': {
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if (extended && n === '(') ext.push(c);
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else add(c);
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break;
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}
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default:
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add(c);
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}
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}
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const g = flags.includes('g');
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return {
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regex: new RegExp(g ? regex : `^${regex}$`, flags),
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path: filepath
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? {
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segments: [...path.segments, new RegExp(g ? segment : `^${segment}$`, flags)],
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regex: new RegExp(g ? path.regex : `^${path.regex}$`, flags),
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globstar: new RegExp(!g ? `^${GLOBSTAR_SEGMENT}$` : GLOBSTAR_SEGMENT, flags),
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}
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: undefined,
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};
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}
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function walk(output, prefix, lexer, filesOnly, dot, cwd, dirname = '', level = 0) {
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const rgx = lexer.segments[level];
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const dir = join(cwd, prefix, dirname);
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const files = readdirSync(dir);
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let i = 0,
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file;
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const len = files.length;
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let fullpath, relpath, stats, isMatch;
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for (; i < len; i++) {
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fullpath = join(dir, (file = files[i]));
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relpath = dirname ? join(dirname, file) : file;
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if (!dot && isHidden.test(relpath)) continue;
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isMatch = lexer.regex.test(relpath);
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if ((stats = CACHE[relpath]) === void 0) CACHE[relpath] = stats = lstatSync(fullpath);
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if (!stats.isDirectory()) {
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isMatch && output.push(relative(cwd, fullpath));
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continue;
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}
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if (rgx && !rgx.test(file)) continue;
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if (!filesOnly && isMatch) output.push(join(prefix, relpath));
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walk(output, prefix, lexer, filesOnly, dot, cwd, relpath, rgx && rgx.toString() !== lexer.globstar && ++level);
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}
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}
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export function glob(str: string, { cwd = '.', absolute = false, filesOnly = false, dot = false, flush = false }) {
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if (!str) return [];
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const glob = globalyzer(str);
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if (!glob.isGlob) {
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try {
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const resolved = resolve(cwd, str);
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const dirent = statSync(resolved);
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if (filesOnly && !dirent.isFile()) return [];
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return absolute ? [resolved] : [str];
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} catch (err) {
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if (err.code != 'ENOENT') throw err;
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return [];
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}
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}
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if (flush) CACHE = {};
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const matches = [];
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const { path } = globrex(glob.glob, { filepath: true, globstar: true, extended: true });
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//@ts-ignore
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path.globstar = path.globstar.toString();
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walk(matches, glob.base, path, filesOnly, dot, cwd, '.', 0);
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return absolute ? matches.map((x) => resolve(cwd, x)) : matches;
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}
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