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-rw-r--r--node_modules/picomatch/lib/parse.js1084
1 files changed, 1084 insertions, 0 deletions
diff --git a/node_modules/picomatch/lib/parse.js b/node_modules/picomatch/lib/parse.js
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+++ b/node_modules/picomatch/lib/parse.js
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+'use strict';
+
+const constants = require('./constants');
+const utils = require('./utils');
+
+/**
+ * Constants
+ */
+
+const {
+ MAX_LENGTH,
+ POSIX_REGEX_SOURCE,
+ REGEX_NON_SPECIAL_CHARS,
+ REGEX_SPECIAL_CHARS_BACKREF,
+ REPLACEMENTS
+} = constants;
+
+/**
+ * Helpers
+ */
+
+const expandRange = (args, options) => {
+ if (typeof options.expandRange === 'function') {
+ return options.expandRange(...args, options);
+ }
+
+ args.sort();
+ const value = `[${args.join('-')}]`;
+
+ try {
+ /* eslint-disable-next-line no-new */
+ new RegExp(value);
+ } catch (ex) {
+ return args.map(v => utils.escapeRegex(v)).join('..');
+ }
+
+ return value;
+};
+
+/**
+ * Create the message for a syntax error
+ */
+
+const syntaxError = (type, char) => {
+ return `Missing ${type}: "${char}" - use "\\\\${char}" to match literal characters`;
+};
+
+/**
+ * Parse the given input string.
+ * @param {String} input
+ * @param {Object} options
+ * @return {Object}
+ */
+
+const parse = (input, options) => {
+ if (typeof input !== 'string') {
+ throw new TypeError('Expected a string');
+ }
+
+ input = REPLACEMENTS[input] || input;
+
+ const opts = { ...options };
+ const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
+
+ let len = input.length;
+ if (len > max) {
+ throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`);
+ }
+
+ const bos = { type: 'bos', value: '', output: opts.prepend || '' };
+ const tokens = [bos];
+
+ const capture = opts.capture ? '' : '?:';
+ const win32 = utils.isWindows(options);
+
+ // create constants based on platform, for windows or posix
+ const PLATFORM_CHARS = constants.globChars(win32);
+ const EXTGLOB_CHARS = constants.extglobChars(PLATFORM_CHARS);
+
+ const {
+ DOT_LITERAL,
+ PLUS_LITERAL,
+ SLASH_LITERAL,
+ ONE_CHAR,
+ DOTS_SLASH,
+ NO_DOT,
+ NO_DOT_SLASH,
+ NO_DOTS_SLASH,
+ QMARK,
+ QMARK_NO_DOT,
+ STAR,
+ START_ANCHOR
+ } = PLATFORM_CHARS;
+
+ const globstar = opts => {
+ return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`;
+ };
+
+ const nodot = opts.dot ? '' : NO_DOT;
+ const qmarkNoDot = opts.dot ? QMARK : QMARK_NO_DOT;
+ let star = opts.bash === true ? globstar(opts) : STAR;
+
+ if (opts.capture) {
+ star = `(${star})`;
+ }
+
+ // minimatch options support
+ if (typeof opts.noext === 'boolean') {
+ opts.noextglob = opts.noext;
+ }
+
+ const state = {
+ input,
+ index: -1,
+ start: 0,
+ dot: opts.dot === true,
+ consumed: '',
+ output: '',
+ prefix: '',
+ backtrack: false,
+ negated: false,
+ brackets: 0,
+ braces: 0,
+ parens: 0,
+ quotes: 0,
+ globstar: false,
+ tokens
+ };
+
+ input = utils.removePrefix(input, state);
+ len = input.length;
+
+ const extglobs = [];
+ const braces = [];
+ const stack = [];
+ let prev = bos;
+ let value;
+
+ /**
+ * Tokenizing helpers
+ */
+
+ const eos = () => state.index === len - 1;
+ const peek = state.peek = (n = 1) => input[state.index + n];
+ const advance = state.advance = () => input[++state.index] || '';
+ const remaining = () => input.slice(state.index + 1);
+ const consume = (value = '', num = 0) => {
+ state.consumed += value;
+ state.index += num;
+ };
+
+ const append = token => {
+ state.output += token.output != null ? token.output : token.value;
+ consume(token.value);
+ };
+
+ const negate = () => {
+ let count = 1;
+
+ while (peek() === '!' && (peek(2) !== '(' || peek(3) === '?')) {
+ advance();
+ state.start++;
+ count++;
+ }
+
+ if (count % 2 === 0) {
+ return false;
+ }
+
+ state.negated = true;
+ state.start++;
+ return true;
+ };
+
+ const increment = type => {
+ state[type]++;
+ stack.push(type);
+ };
+
+ const decrement = type => {
+ state[type]--;
+ stack.pop();
+ };
+
+ /**
+ * Push tokens onto the tokens array. This helper speeds up
+ * tokenizing by 1) helping us avoid backtracking as much as possible,
+ * and 2) helping us avoid creating extra tokens when consecutive
+ * characters are plain text. This improves performance and simplifies
+ * lookbehinds.
+ */
+
+ const push = tok => {
+ if (prev.type === 'globstar') {
+ const isBrace = state.braces > 0 && (tok.type === 'comma' || tok.type === 'brace');
+ const isExtglob = tok.extglob === true || (extglobs.length && (tok.type === 'pipe' || tok.type === 'paren'));
+
+ if (tok.type !== 'slash' && tok.type !== 'paren' && !isBrace && !isExtglob) {
+ state.output = state.output.slice(0, -prev.output.length);
+ prev.type = 'star';
+ prev.value = '*';
+ prev.output = star;
+ state.output += prev.output;
+ }
+ }
+
+ if (extglobs.length && tok.type !== 'paren') {
+ extglobs[extglobs.length - 1].inner += tok.value;
+ }
+
+ if (tok.value || tok.output) append(tok);
+ if (prev && prev.type === 'text' && tok.type === 'text') {
+ prev.value += tok.value;
+ prev.output = (prev.output || '') + tok.value;
+ return;
+ }
+
+ tok.prev = prev;
+ tokens.push(tok);
+ prev = tok;
+ };
+
+ const extglobOpen = (type, value) => {
+ const token = { ...EXTGLOB_CHARS[value], conditions: 1, inner: '' };
+
+ token.prev = prev;
+ token.parens = state.parens;
+ token.output = state.output;
+ const output = (opts.capture ? '(' : '') + token.open;
+
+ increment('parens');
+ push({ type, value, output: state.output ? '' : ONE_CHAR });
+ push({ type: 'paren', extglob: true, value: advance(), output });
+ extglobs.push(token);
+ };
+
+ const extglobClose = token => {
+ let output = token.close + (opts.capture ? ')' : '');
+ let rest;
+
+ if (token.type === 'negate') {
+ let extglobStar = star;
+
+ if (token.inner && token.inner.length > 1 && token.inner.includes('/')) {
+ extglobStar = globstar(opts);
+ }
+
+ if (extglobStar !== star || eos() || /^\)+$/.test(remaining())) {
+ output = token.close = `)$))${extglobStar}`;
+ }
+
+ if (token.inner.includes('*') && (rest = remaining()) && /^\.[^\\/.]+$/.test(rest)) {
+ output = token.close = `)${rest})${extglobStar})`;
+ }
+
+ if (token.prev.type === 'bos') {
+ state.negatedExtglob = true;
+ }
+ }
+
+ push({ type: 'paren', extglob: true, value, output });
+ decrement('parens');
+ };
+
+ /**
+ * Fast paths
+ */
+
+ if (opts.fastpaths !== false && !/(^[*!]|[/()[\]{}"])/.test(input)) {
+ let backslashes = false;
+
+ let output = input.replace(REGEX_SPECIAL_CHARS_BACKREF, (m, esc, chars, first, rest, index) => {
+ if (first === '\\') {
+ backslashes = true;
+ return m;
+ }
+
+ if (first === '?') {
+ if (esc) {
+ return esc + first + (rest ? QMARK.repeat(rest.length) : '');
+ }
+ if (index === 0) {
+ return qmarkNoDot + (rest ? QMARK.repeat(rest.length) : '');
+ }
+ return QMARK.repeat(chars.length);
+ }
+
+ if (first === '.') {
+ return DOT_LITERAL.repeat(chars.length);
+ }
+
+ if (first === '*') {
+ if (esc) {
+ return esc + first + (rest ? star : '');
+ }
+ return star;
+ }
+ return esc ? m : `\\${m}`;
+ });
+
+ if (backslashes === true) {
+ if (opts.unescape === true) {
+ output = output.replace(/\\/g, '');
+ } else {
+ output = output.replace(/\\+/g, m => {
+ return m.length % 2 === 0 ? '\\\\' : (m ? '\\' : '');
+ });
+ }
+ }
+
+ if (output === input && opts.contains === true) {
+ state.output = input;
+ return state;
+ }
+
+ state.output = utils.wrapOutput(output, state, options);
+ return state;
+ }
+
+ /**
+ * Tokenize input until we reach end-of-string
+ */
+
+ while (!eos()) {
+ value = advance();
+
+ if (value === '\u0000') {
+ continue;
+ }
+
+ /**
+ * Escaped characters
+ */
+
+ if (value === '\\') {
+ const next = peek();
+
+ if (next === '/' && opts.bash !== true) {
+ continue;
+ }
+
+ if (next === '.' || next === ';') {
+ continue;
+ }
+
+ if (!next) {
+ value += '\\';
+ push({ type: 'text', value });
+ continue;
+ }
+
+ // collapse slashes to reduce potential for exploits
+ const match = /^\\+/.exec(remaining());
+ let slashes = 0;
+
+ if (match && match[0].length > 2) {
+ slashes = match[0].length;
+ state.index += slashes;
+ if (slashes % 2 !== 0) {
+ value += '\\';
+ }
+ }
+
+ if (opts.unescape === true) {
+ value = advance();
+ } else {
+ value += advance();
+ }
+
+ if (state.brackets === 0) {
+ push({ type: 'text', value });
+ continue;
+ }
+ }
+
+ /**
+ * If we're inside a regex character class, continue
+ * until we reach the closing bracket.
+ */
+
+ if (state.brackets > 0 && (value !== ']' || prev.value === '[' || prev.value === '[^')) {
+ if (opts.posix !== false && value === ':') {
+ const inner = prev.value.slice(1);
+ if (inner.includes('[')) {
+ prev.posix = true;
+
+ if (inner.includes(':')) {
+ const idx = prev.value.lastIndexOf('[');
+ const pre = prev.value.slice(0, idx);
+ const rest = prev.value.slice(idx + 2);
+ const posix = POSIX_REGEX_SOURCE[rest];
+ if (posix) {
+ prev.value = pre + posix;
+ state.backtrack = true;
+ advance();
+
+ if (!bos.output && tokens.indexOf(prev) === 1) {
+ bos.output = ONE_CHAR;
+ }
+ continue;
+ }
+ }
+ }
+ }
+
+ if ((value === '[' && peek() !== ':') || (value === '-' && peek() === ']')) {
+ value = `\\${value}`;
+ }
+
+ if (value === ']' && (prev.value === '[' || prev.value === '[^')) {
+ value = `\\${value}`;
+ }
+
+ if (opts.posix === true && value === '!' && prev.value === '[') {
+ value = '^';
+ }
+
+ prev.value += value;
+ append({ value });
+ continue;
+ }
+
+ /**
+ * If we're inside a quoted string, continue
+ * until we reach the closing double quote.
+ */
+
+ if (state.quotes === 1 && value !== '"') {
+ value = utils.escapeRegex(value);
+ prev.value += value;
+ append({ value });
+ continue;
+ }
+
+ /**
+ * Double quotes
+ */
+
+ if (value === '"') {
+ state.quotes = state.quotes === 1 ? 0 : 1;
+ if (opts.keepQuotes === true) {
+ push({ type: 'text', value });
+ }
+ continue;
+ }
+
+ /**
+ * Parentheses
+ */
+
+ if (value === '(') {
+ increment('parens');
+ push({ type: 'paren', value });
+ continue;
+ }
+
+ if (value === ')') {
+ if (state.parens === 0 && opts.strictBrackets === true) {
+ throw new SyntaxError(syntaxError('opening', '('));
+ }
+
+ const extglob = extglobs[extglobs.length - 1];
+ if (extglob && state.parens === extglob.parens + 1) {
+ extglobClose(extglobs.pop());
+ continue;
+ }
+
+ push({ type: 'paren', value, output: state.parens ? ')' : '\\)' });
+ decrement('parens');
+ continue;
+ }
+
+ /**
+ * Square brackets
+ */
+
+ if (value === '[') {
+ if (opts.nobracket === true || !remaining().includes(']')) {
+ if (opts.nobracket !== true && opts.strictBrackets === true) {
+ throw new SyntaxError(syntaxError('closing', ']'));
+ }
+
+ value = `\\${value}`;
+ } else {
+ increment('brackets');
+ }
+
+ push({ type: 'bracket', value });
+ continue;
+ }
+
+ if (value === ']') {
+ if (opts.nobracket === true || (prev && prev.type === 'bracket' && prev.value.length === 1)) {
+ push({ type: 'text', value, output: `\\${value}` });
+ continue;
+ }
+
+ if (state.brackets === 0) {
+ if (opts.strictBrackets === true) {
+ throw new SyntaxError(syntaxError('opening', '['));
+ }
+
+ push({ type: 'text', value, output: `\\${value}` });
+ continue;
+ }
+
+ decrement('brackets');
+
+ const prevValue = prev.value.slice(1);
+ if (prev.posix !== true && prevValue[0] === '^' && !prevValue.includes('/')) {
+ value = `/${value}`;
+ }
+
+ prev.value += value;
+ append({ value });
+
+ // when literal brackets are explicitly disabled
+ // assume we should match with a regex character class
+ if (opts.literalBrackets === false || utils.hasRegexChars(prevValue)) {
+ continue;
+ }
+
+ const escaped = utils.escapeRegex(prev.value);
+ state.output = state.output.slice(0, -prev.value.length);
+
+ // when literal brackets are explicitly enabled
+ // assume we should escape the brackets to match literal characters
+ if (opts.literalBrackets === true) {
+ state.output += escaped;
+ prev.value = escaped;
+ continue;
+ }
+
+ // when the user specifies nothing, try to match both
+ prev.value = `(${capture}${escaped}|${prev.value})`;
+ state.output += prev.value;
+ continue;
+ }
+
+ /**
+ * Braces
+ */
+
+ if (value === '{' && opts.nobrace !== true) {
+ increment('braces');
+
+ const open = {
+ type: 'brace',
+ value,
+ output: '(',
+ outputIndex: state.output.length,
+ tokensIndex: state.tokens.length
+ };
+
+ braces.push(open);
+ push(open);
+ continue;
+ }
+
+ if (value === '}') {
+ const brace = braces[braces.length - 1];
+
+ if (opts.nobrace === true || !brace) {
+ push({ type: 'text', value, output: value });
+ continue;
+ }
+
+ let output = ')';
+
+ if (brace.dots === true) {
+ const arr = tokens.slice();
+ const range = [];
+
+ for (let i = arr.length - 1; i >= 0; i--) {
+ tokens.pop();
+ if (arr[i].type === 'brace') {
+ break;
+ }
+ if (arr[i].type !== 'dots') {
+ range.unshift(arr[i].value);
+ }
+ }
+
+ output = expandRange(range, opts);
+ state.backtrack = true;
+ }
+
+ if (brace.comma !== true && brace.dots !== true) {
+ const out = state.output.slice(0, brace.outputIndex);
+ const toks = state.tokens.slice(brace.tokensIndex);
+ brace.value = brace.output = '\\{';
+ value = output = '\\}';
+ state.output = out;
+ for (const t of toks) {
+ state.output += (t.output || t.value);
+ }
+ }
+
+ push({ type: 'brace', value, output });
+ decrement('braces');
+ braces.pop();
+ continue;
+ }
+
+ /**
+ * Pipes
+ */
+
+ if (value === '|') {
+ if (extglobs.length > 0) {
+ extglobs[extglobs.length - 1].conditions++;
+ }
+ push({ type: 'text', value });
+ continue;
+ }
+
+ /**
+ * Commas
+ */
+
+ if (value === ',') {
+ let output = value;
+
+ const brace = braces[braces.length - 1];
+ if (brace && stack[stack.length - 1] === 'braces') {
+ brace.comma = true;
+ output = '|';
+ }
+
+ push({ type: 'comma', value, output });
+ continue;
+ }
+
+ /**
+ * Slashes
+ */
+
+ if (value === '/') {
+ // if the beginning of the glob is "./", advance the start
+ // to the current index, and don't add the "./" characters
+ // to the state. This greatly simplifies lookbehinds when
+ // checking for BOS characters like "!" and "." (not "./")
+ if (prev.type === 'dot' && state.index === state.start + 1) {
+ state.start = state.index + 1;
+ state.consumed = '';
+ state.output = '';
+ tokens.pop();
+ prev = bos; // reset "prev" to the first token
+ continue;
+ }
+
+ push({ type: 'slash', value, output: SLASH_LITERAL });
+ continue;
+ }
+
+ /**
+ * Dots
+ */
+
+ if (value === '.') {
+ if (state.braces > 0 && prev.type === 'dot') {
+ if (prev.value === '.') prev.output = DOT_LITERAL;
+ const brace = braces[braces.length - 1];
+ prev.type = 'dots';
+ prev.output += value;
+ prev.value += value;
+ brace.dots = true;
+ continue;
+ }
+
+ if ((state.braces + state.parens) === 0 && prev.type !== 'bos' && prev.type !== 'slash') {
+ push({ type: 'text', value, output: DOT_LITERAL });
+ continue;
+ }
+
+ push({ type: 'dot', value, output: DOT_LITERAL });
+ continue;
+ }
+
+ /**
+ * Question marks
+ */
+
+ if (value === '?') {
+ const isGroup = prev && prev.value === '(';
+ if (!isGroup && opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
+ extglobOpen('qmark', value);
+ continue;
+ }
+
+ if (prev && prev.type === 'paren') {
+ const next = peek();
+ let output = value;
+
+ if (next === '<' && !utils.supportsLookbehinds()) {
+ throw new Error('Node.js v10 or higher is required for regex lookbehinds');
+ }
+
+ if ((prev.value === '(' && !/[!=<:]/.test(next)) || (next === '<' && !/<([!=]|\w+>)/.test(remaining()))) {
+ output = `\\${value}`;
+ }
+
+ push({ type: 'text', value, output });
+ continue;
+ }
+
+ if (opts.dot !== true && (prev.type === 'slash' || prev.type === 'bos')) {
+ push({ type: 'qmark', value, output: QMARK_NO_DOT });
+ continue;
+ }
+
+ push({ type: 'qmark', value, output: QMARK });
+ continue;
+ }
+
+ /**
+ * Exclamation
+ */
+
+ if (value === '!') {
+ if (opts.noextglob !== true && peek() === '(') {
+ if (peek(2) !== '?' || !/[!=<:]/.test(peek(3))) {
+ extglobOpen('negate', value);
+ continue;
+ }
+ }
+
+ if (opts.nonegate !== true && state.index === 0) {
+ negate();
+ continue;
+ }
+ }
+
+ /**
+ * Plus
+ */
+
+ if (value === '+') {
+ if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
+ extglobOpen('plus', value);
+ continue;
+ }
+
+ if ((prev && prev.value === '(') || opts.regex === false) {
+ push({ type: 'plus', value, output: PLUS_LITERAL });
+ continue;
+ }
+
+ if ((prev && (prev.type === 'bracket' || prev.type === 'paren' || prev.type === 'brace')) || state.parens > 0) {
+ push({ type: 'plus', value });
+ continue;
+ }
+
+ push({ type: 'plus', value: PLUS_LITERAL });
+ continue;
+ }
+
+ /**
+ * Plain text
+ */
+
+ if (value === '@') {
+ if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
+ push({ type: 'at', extglob: true, value, output: '' });
+ continue;
+ }
+
+ push({ type: 'text', value });
+ continue;
+ }
+
+ /**
+ * Plain text
+ */
+
+ if (value !== '*') {
+ if (value === '$' || value === '^') {
+ value = `\\${value}`;
+ }
+
+ const match = REGEX_NON_SPECIAL_CHARS.exec(remaining());
+ if (match) {
+ value += match[0];
+ state.index += match[0].length;
+ }
+
+ push({ type: 'text', value });
+ continue;
+ }
+
+ /**
+ * Stars
+ */
+
+ if (prev && (prev.type === 'globstar' || prev.star === true)) {
+ prev.type = 'star';
+ prev.star = true;
+ prev.value += value;
+ prev.output = star;
+ state.backtrack = true;
+ state.globstar = true;
+ consume(value);
+ continue;
+ }
+
+ let rest = remaining();
+ if (opts.noextglob !== true && /^\([^?]/.test(rest)) {
+ extglobOpen('star', value);
+ continue;
+ }
+
+ if (prev.type === 'star') {
+ if (opts.noglobstar === true) {
+ consume(value);
+ continue;
+ }
+
+ const prior = prev.prev;
+ const before = prior.prev;
+ const isStart = prior.type === 'slash' || prior.type === 'bos';
+ const afterStar = before && (before.type === 'star' || before.type === 'globstar');
+
+ if (opts.bash === true && (!isStart || (rest[0] && rest[0] !== '/'))) {
+ push({ type: 'star', value, output: '' });
+ continue;
+ }
+
+ const isBrace = state.braces > 0 && (prior.type === 'comma' || prior.type === 'brace');
+ const isExtglob = extglobs.length && (prior.type === 'pipe' || prior.type === 'paren');
+ if (!isStart && prior.type !== 'paren' && !isBrace && !isExtglob) {
+ push({ type: 'star', value, output: '' });
+ continue;
+ }
+
+ // strip consecutive `/**/`
+ while (rest.slice(0, 3) === '/**') {
+ const after = input[state.index + 4];
+ if (after && after !== '/') {
+ break;
+ }
+ rest = rest.slice(3);
+ consume('/**', 3);
+ }
+
+ if (prior.type === 'bos' && eos()) {
+ prev.type = 'globstar';
+ prev.value += value;
+ prev.output = globstar(opts);
+ state.output = prev.output;
+ state.globstar = true;
+ consume(value);
+ continue;
+ }
+
+ if (prior.type === 'slash' && prior.prev.type !== 'bos' && !afterStar && eos()) {
+ state.output = state.output.slice(0, -(prior.output + prev.output).length);
+ prior.output = `(?:${prior.output}`;
+
+ prev.type = 'globstar';
+ prev.output = globstar(opts) + (opts.strictSlashes ? ')' : '|$)');
+ prev.value += value;
+ state.globstar = true;
+ state.output += prior.output + prev.output;
+ consume(value);
+ continue;
+ }
+
+ if (prior.type === 'slash' && prior.prev.type !== 'bos' && rest[0] === '/') {
+ const end = rest[1] !== void 0 ? '|$' : '';
+
+ state.output = state.output.slice(0, -(prior.output + prev.output).length);
+ prior.output = `(?:${prior.output}`;
+
+ prev.type = 'globstar';
+ prev.output = `${globstar(opts)}${SLASH_LITERAL}|${SLASH_LITERAL}${end})`;
+ prev.value += value;
+
+ state.output += prior.output + prev.output;
+ state.globstar = true;
+
+ consume(value + advance());
+
+ push({ type: 'slash', value: '/', output: '' });
+ continue;
+ }
+
+ if (prior.type === 'bos' && rest[0] === '/') {
+ prev.type = 'globstar';
+ prev.value += value;
+ prev.output = `(?:^|${SLASH_LITERAL}|${globstar(opts)}${SLASH_LITERAL})`;
+ state.output = prev.output;
+ state.globstar = true;
+ consume(value + advance());
+ push({ type: 'slash', value: '/', output: '' });
+ continue;
+ }
+
+ // remove single star from output
+ state.output = state.output.slice(0, -prev.output.length);
+
+ // reset previous token to globstar
+ prev.type = 'globstar';
+ prev.output = globstar(opts);
+ prev.value += value;
+
+ // reset output with globstar
+ state.output += prev.output;
+ state.globstar = true;
+ consume(value);
+ continue;
+ }
+
+ const token = { type: 'star', value, output: star };
+
+ if (opts.bash === true) {
+ token.output = '.*?';
+ if (prev.type === 'bos' || prev.type === 'slash') {
+ token.output = nodot + token.output;
+ }
+ push(token);
+ continue;
+ }
+
+ if (prev && (prev.type === 'bracket' || prev.type === 'paren') && opts.regex === true) {
+ token.output = value;
+ push(token);
+ continue;
+ }
+
+ if (state.index === state.start || prev.type === 'slash' || prev.type === 'dot') {
+ if (prev.type === 'dot') {
+ state.output += NO_DOT_SLASH;
+ prev.output += NO_DOT_SLASH;
+
+ } else if (opts.dot === true) {
+ state.output += NO_DOTS_SLASH;
+ prev.output += NO_DOTS_SLASH;
+
+ } else {
+ state.output += nodot;
+ prev.output += nodot;
+ }
+
+ if (peek() !== '*') {
+ state.output += ONE_CHAR;
+ prev.output += ONE_CHAR;
+ }
+ }
+
+ push(token);
+ }
+
+ while (state.brackets > 0) {
+ if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ']'));
+ state.output = utils.escapeLast(state.output, '[');
+ decrement('brackets');
+ }
+
+ while (state.parens > 0) {
+ if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ')'));
+ state.output = utils.escapeLast(state.output, '(');
+ decrement('parens');
+ }
+
+ while (state.braces > 0) {
+ if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', '}'));
+ state.output = utils.escapeLast(state.output, '{');
+ decrement('braces');
+ }
+
+ if (opts.strictSlashes !== true && (prev.type === 'star' || prev.type === 'bracket')) {
+ push({ type: 'maybe_slash', value: '', output: `${SLASH_LITERAL}?` });
+ }
+
+ // rebuild the output if we had to backtrack at any point
+ if (state.backtrack === true) {
+ state.output = '';
+
+ for (const token of state.tokens) {
+ state.output += token.output != null ? token.output : token.value;
+
+ if (token.suffix) {
+ state.output += token.suffix;
+ }
+ }
+ }
+
+ return state;
+};
+
+/**
+ * Fast paths for creating regular expressions for common glob patterns.
+ * This can significantly speed up processing and has very little downside
+ * impact when none of the fast paths match.
+ */
+
+parse.fastpaths = (input, options) => {
+ const opts = { ...options };
+ const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
+ const len = input.length;
+ if (len > max) {
+ throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`);
+ }
+
+ input = REPLACEMENTS[input] || input;
+ const win32 = utils.isWindows(options);
+
+ // create constants based on platform, for windows or posix
+ const {
+ DOT_LITERAL,
+ SLASH_LITERAL,
+ ONE_CHAR,
+ DOTS_SLASH,
+ NO_DOT,
+ NO_DOTS,
+ NO_DOTS_SLASH,
+ STAR,
+ START_ANCHOR
+ } = constants.globChars(win32);
+
+ const nodot = opts.dot ? NO_DOTS : NO_DOT;
+ const slashDot = opts.dot ? NO_DOTS_SLASH : NO_DOT;
+ const capture = opts.capture ? '' : '?:';
+ const state = { negated: false, prefix: '' };
+ let star = opts.bash === true ? '.*?' : STAR;
+
+ if (opts.capture) {
+ star = `(${star})`;
+ }
+
+ const globstar = opts => {
+ if (opts.noglobstar === true) return star;
+ return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`;
+ };
+
+ const create = str => {
+ switch (str) {
+ case '*':
+ return `${nodot}${ONE_CHAR}${star}`;
+
+ case '.*':
+ return `${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+ case '*.*':
+ return `${nodot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+ case '*/*':
+ return `${nodot}${star}${SLASH_LITERAL}${ONE_CHAR}${slashDot}${star}`;
+
+ case '**':
+ return nodot + globstar(opts);
+
+ case '**/*':
+ return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${ONE_CHAR}${star}`;
+
+ case '**/*.*':
+ return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+ case '**/.*':
+ return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${DOT_LITERAL}${ONE_CHAR}${star}`;
+
+ default: {
+ const match = /^(.*?)\.(\w+)$/.exec(str);
+ if (!match) return;
+
+ const source = create(match[1]);
+ if (!source) return;
+
+ return source + DOT_LITERAL + match[2];
+ }
+ }
+ };
+
+ const output = utils.removePrefix(input, state);
+ let source = create(output);
+
+ if (source && opts.strictSlashes !== true) {
+ source += `${SLASH_LITERAL}?`;
+ }
+
+ return source;
+};
+
+module.exports = parse;
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