Initial commit

5 files changed, 2060 insertions, 0 deletions

diff --git a/node_modules/picomatch/lib/constants.js b/node_modules/picomatch/lib/constants.js
new file mode 100644
index 0000000..a62ef38
--- /dev/null
+++ b/node_modules/picomatch/lib/constants.js
@@ -0,0 +1,179 @@
+'use strict';
+
+const path = require('path');
+const WIN_SLASH = '\\\\/';
+const WIN_NO_SLASH = `[^${WIN_SLASH}]`;
+
+/**
+ * Posix glob regex
+ */
+
+const DOT_LITERAL = '\\.';
+const PLUS_LITERAL = '\\+';
+const QMARK_LITERAL = '\\?';
+const SLASH_LITERAL = '\\/';
+const ONE_CHAR = '(?=.)';
+const QMARK = '[^/]';
+const END_ANCHOR = `(?:${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 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
+};
+
+/**
+ * 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: `(?:[${WIN_SLASH}]|$)`
+};
+
+/**
+ * POSIX Bracket Regex
+ */
+
+const POSIX_REGEX_SOURCE = {
+  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: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
+  space: ' \\t\\r\\n\\v\\f',
+  upper: 'A-Z',
+  word: 'A-Za-z0-9_',
+  xdigit: 'A-Fa-f0-9'
+};
+
+module.exports = {
+  MAX_LENGTH: 1024 * 64,
+  POSIX_REGEX_SOURCE,
+
+  // regular expressions
+  REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/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: {
+    '***': '*',
+    '**/**': '**',
+    '**/**/**': '**'
+  },
+
+  // 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 */
+
+  SEP: path.sep,
+
+  /**
+   * Create EXTGLOB_CHARS
+   */
+
+  extglobChars(chars) {
+    return {
+      '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` },
+      '?': { type: 'qmark', open: '(?:', close: ')?' },
+      '+': { type: 'plus', open: '(?:', close: ')+' },
+      '*': { type: 'star', open: '(?:', close: ')*' },
+      '@': { type: 'at', open: '(?:', close: ')' }
+    };
+  },
+
+  /**
+   * Create GLOB_CHARS
+   */
+
+  globChars(win32) {
+    return win32 === true ? WINDOWS_CHARS : POSIX_CHARS;
+  }
+};
diff --git a/node_modules/picomatch/lib/parse.js b/node_modules/picomatch/lib/parse.js
new file mode 100644
index 0000000..c16d59d
--- /dev/null
+++ b/node_modules/picomatch/lib/parse.js
@@ -0,0 +1,1084 @@
+'use strict';
+
+const constants = require('./constants');
+const utils = require('./utils');
+
+/**
+ * Constants
+ */
+
+const {
+  MAX_LENGTH,
+  POSIX_REGEX_SOURCE,
+  REGEX_NON_SPECIAL_CHARS,
+  REGEX_SPECIAL_CHARS_BACKREF,
+  REPLACEMENTS
+} = constants;
+
+/**
+ * Helpers
+ */
+
+const expandRange = (args, options) => {
+  if (typeof options.expandRange === 'function') {
+    return options.expandRange(...args, options);
+  }
+
+  args.sort();
+  const value = `[${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;
diff --git a/node_modules/picomatch/lib/picomatch.js b/node_modules/picomatch/lib/picomatch.js
new file mode 100644
index 0000000..782d809
--- /dev/null
+++ b/node_modules/picomatch/lib/picomatch.js
@@ -0,0 +1,342 @@
+'use strict';
+
+const path = require('path');
+const scan = require('./scan');
+const parse = require('./parse');
+const utils = require('./utils');
+const constants = require('./constants');
+const isObject = val => val && typeof val === 'object' && !Array.isArray(val);
+
+/**
+ * Creates a matcher function from one or more glob patterns. The
+ * returned function takes a string to match as its first argument,
+ * and returns true if the string is a match. The returned matcher
+ * function also takes a boolean as the second argument that, when true,
+ * returns an object with additional information.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch(glob[, options]);
+ *
+ * const isMatch = picomatch('*.!(*a)');
+ * console.log(isMatch('a.a')); //=> false
+ * console.log(isMatch('a.b')); //=> true
+ * ```
+ * @name picomatch
+ * @param {String|Array} `globs` One or more glob patterns.
+ * @param {Object=} `options`
+ * @return {Function=} Returns a matcher function.
+ * @api public
+ */
+
+const picomatch = (glob, options, returnState = false) => {
+  if (Array.isArray(glob)) {
+    const fns = glob.map(input => picomatch(input, options, returnState));
+    const arrayMatcher = str => {
+      for (const isMatch of fns) {
+        const state = isMatch(str);
+        if (state) return state;
+      }
+      return false;
+    };
+    return arrayMatcher;
+  }
+
+  const isState = isObject(glob) && glob.tokens && glob.input;
+
+  if (glob === '' || (typeof glob !== 'string' && !isState)) {
+    throw new TypeError('Expected pattern to be a non-empty string');
+  }
+
+  const opts = options || {};
+  const posix = utils.isWindows(options);
+  const regex = isState
+    ? picomatch.compileRe(glob, options)
+    : picomatch.makeRe(glob, options, false, true);
+
+  const state = regex.state;
+  delete regex.state;
+
+  let isIgnored = () => false;
+  if (opts.ignore) {
+    const ignoreOpts = { ...options, ignore: null, onMatch: null, onResult: null };
+    isIgnored = picomatch(opts.ignore, ignoreOpts, returnState);
+  }
+
+  const matcher = (input, returnObject = false) => {
+    const { isMatch, match, output } = picomatch.test(input, regex, options, { glob, posix });
+    const result = { glob, state, regex, posix, input, output, match, isMatch };
+
+    if (typeof opts.onResult === 'function') {
+      opts.onResult(result);
+    }
+
+    if (isMatch === false) {
+      result.isMatch = false;
+      return returnObject ? result : false;
+    }
+
+    if (isIgnored(input)) {
+      if (typeof opts.onIgnore === 'function') {
+        opts.onIgnore(result);
+      }
+      result.isMatch = false;
+      return returnObject ? result : false;
+    }
+
+    if (typeof opts.onMatch === 'function') {
+      opts.onMatch(result);
+    }
+    return returnObject ? result : true;
+  };
+
+  if (returnState) {
+    matcher.state = state;
+  }
+
+  return matcher;
+};
+
+/**
+ * Test `input` with the given `regex`. This is used by the main
+ * `picomatch()` function to test the input string.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.test(input, regex[, options]);
+ *
+ * console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/));
+ * // { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' }
+ * ```
+ * @param {String} `input` String to test.
+ * @param {RegExp} `regex`
+ * @return {Object} Returns an object with matching info.
+ * @api public
+ */
+
+picomatch.test = (input, regex, options, { glob, posix } = {}) => {
+  if (typeof input !== 'string') {
+    throw new TypeError('Expected input to be a string');
+  }
+
+  if (input === '') {
+    return { isMatch: false, output: '' };
+  }
+
+  const opts = options || {};
+  const format = opts.format || (posix ? utils.toPosixSlashes : null);
+  let match = input === glob;
+  let output = (match && format) ? format(input) : input;
+
+  if (match === false) {
+    output = format ? format(input) : input;
+    match = output === glob;
+  }
+
+  if (match === false || opts.capture === true) {
+    if (opts.matchBase === true || opts.basename === true) {
+      match = picomatch.matchBase(input, regex, options, posix);
+    } else {
+      match = regex.exec(output);
+    }
+  }
+
+  return { isMatch: Boolean(match), match, output };
+};
+
+/**
+ * Match the basename of a filepath.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.matchBase(input, glob[, options]);
+ * console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true
+ * ```
+ * @param {String} `input` String to test.
+ * @param {RegExp|String} `glob` Glob pattern or regex created by [.makeRe](#makeRe).
+ * @return {Boolean}
+ * @api public
+ */
+
+picomatch.matchBase = (input, glob, options, posix = utils.isWindows(options)) => {
+  const regex = glob instanceof RegExp ? glob : picomatch.makeRe(glob, options);
+  return regex.test(path.basename(input));
+};
+
+/**
+ * Returns true if **any** of the given glob `patterns` match the specified `string`.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.isMatch(string, patterns[, options]);
+ *
+ * console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true
+ * console.log(picomatch.isMatch('a.a', 'b.*')); //=> false
+ * ```
+ * @param {String|Array} str The string to test.
+ * @param {String|Array} patterns One or more glob patterns to use for matching.
+ * @param {Object} [options] See available [options](#options).
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+picomatch.isMatch = (str, patterns, options) => picomatch(patterns, options)(str);
+
+/**
+ * Parse a glob pattern to create the source string for a regular
+ * expression.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * const result = picomatch.parse(pattern[, options]);
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {Object} Returns an object with useful properties and output to be used as a regex source string.
+ * @api public
+ */
+
+picomatch.parse = (pattern, options) => {
+  if (Array.isArray(pattern)) return pattern.map(p => picomatch.parse(p, options));
+  return parse(pattern, { ...options, fastpaths: false });
+};
+
+/**
+ * Scan a glob pattern to separate the pattern into segments.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.scan(input[, options]);
+ *
+ * const result = picomatch.scan('!./foo/*.js');
+ * console.log(result);
+ * { prefix: '!./',
+ *   input: '!./foo/*.js',
+ *   start: 3,
+ *   base: 'foo',
+ *   glob: '*.js',
+ *   isBrace: false,
+ *   isBracket: false,
+ *   isGlob: true,
+ *   isExtglob: false,
+ *   isGlobstar: false,
+ *   negated: true }
+ * ```
+ * @param {String} `input` Glob pattern to scan.
+ * @param {Object} `options`
+ * @return {Object} Returns an object with
+ * @api public
+ */
+
+picomatch.scan = (input, options) => scan(input, options);
+
+/**
+ * Compile a regular expression from the `state` object returned by the
+ * [parse()](#parse) method.
+ *
+ * @param {Object} `state`
+ * @param {Object} `options`
+ * @param {Boolean} `returnOutput` Intended for implementors, this argument allows you to return the raw output from the parser.
+ * @param {Boolean} `returnState` Adds the state to a `state` property on the returned regex. Useful for implementors and debugging.
+ * @return {RegExp}
+ * @api public
+ */
+
+picomatch.compileRe = (state, options, returnOutput = false, returnState = false) => {
+  if (returnOutput === true) {
+    return state.output;
+  }
+
+  const opts = options || {};
+  const prepend = opts.contains ? '' : '^';
+  const append = opts.contains ? '' : '$';
+
+  let source = `${prepend}(?:${state.output})${append}`;
+  if (state && state.negated === true) {
+    source = `^(?!${source}).*$`;
+  }
+
+  const regex = picomatch.toRegex(source, options);
+  if (returnState === true) {
+    regex.state = state;
+  }
+
+  return regex;
+};
+
+/**
+ * Create a regular expression from a parsed glob pattern.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * const state = picomatch.parse('*.js');
+ * // picomatch.compileRe(state[, options]);
+ *
+ * console.log(picomatch.compileRe(state));
+ * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+ * ```
+ * @param {String} `state` The object returned from the `.parse` method.
+ * @param {Object} `options`
+ * @param {Boolean} `returnOutput` Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result.
+ * @param {Boolean} `returnState` Implementors may use this argument to return the state from the parsed glob with the returned regular expression.
+ * @return {RegExp} Returns a regex created from the given pattern.
+ * @api public
+ */
+
+picomatch.makeRe = (input, options = {}, returnOutput = false, returnState = false) => {
+  if (!input || typeof input !== 'string') {
+    throw new TypeError('Expected a non-empty string');
+  }
+
+  let parsed = { negated: false, fastpaths: true };
+
+  if (options.fastpaths !== false && (input[0] === '.' || input[0] === '*')) {
+    parsed.output = parse.fastpaths(input, options);
+  }
+
+  if (!parsed.output) {
+    parsed = parse(input, options);
+  }
+
+  return picomatch.compileRe(parsed, options, returnOutput, returnState);
+};
+
+/**
+ * Create a regular expression from the given regex source string.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.toRegex(source[, options]);
+ *
+ * const { output } = picomatch.parse('*.js');
+ * console.log(picomatch.toRegex(output));
+ * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+ * ```
+ * @param {String} `source` Regular expression source string.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+picomatch.toRegex = (source, options) => {
+  try {
+    const opts = options || {};
+    return new RegExp(source, opts.flags || (opts.nocase ? 'i' : ''));
+  } catch (err) {
+    if (options && options.debug === true) throw err;
+    return /$^/;
+  }
+};
+
+/**
+ * Picomatch constants.
+ * @return {Object}
+ */
+
+picomatch.constants = constants;
+
+/**
+ * Expose "picomatch"
+ */
+
+module.exports = picomatch;
diff --git a/node_modules/picomatch/lib/scan.js b/node_modules/picomatch/lib/scan.js
new file mode 100644
index 0000000..e59cd7a
--- /dev/null
+++ b/node_modules/picomatch/lib/scan.js
@@ -0,0 +1,391 @@
+'use strict';
+
+const utils = require('./utils');
+const {
+  CHAR_ASTERISK,             /* * */
+  CHAR_AT,                   /* @ */
+  CHAR_BACKWARD_SLASH,       /* \ */
+  CHAR_COMMA,                /* , */
+  CHAR_DOT,                  /* . */
+  CHAR_EXCLAMATION_MARK,     /* ! */
+  CHAR_FORWARD_SLASH,        /* / */
+  CHAR_LEFT_CURLY_BRACE,     /* { */
+  CHAR_LEFT_PARENTHESES,     /* ( */
+  CHAR_LEFT_SQUARE_BRACKET,  /* [ */
+  CHAR_PLUS,                 /* + */
+  CHAR_QUESTION_MARK,        /* ? */
+  CHAR_RIGHT_CURLY_BRACE,    /* } */
+  CHAR_RIGHT_PARENTHESES,    /* ) */
+  CHAR_RIGHT_SQUARE_BRACKET  /* ] */
+} = require('./constants');
+
+const isPathSeparator = code => {
+  return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH;
+};
+
+const depth = token => {
+  if (token.isPrefix !== true) {
+    token.depth = token.isGlobstar ? Infinity : 1;
+  }
+};
+
+/**
+ * Quickly scans a glob pattern and returns an object with a handful of
+ * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists),
+ * `glob` (the actual pattern), `negated` (true if the path starts with `!` but not
+ * with `!(`) and `negatedExtglob` (true if the path starts with `!(`).
+ *
+ * ```js
+ * const pm = require('picomatch');
+ * console.log(pm.scan('foo/bar/*.js'));
+ * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' }
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {Object} Returns an object with tokens and regex source string.
+ * @api public
+ */
+
+const scan = (input, options) => {
+  const opts = options || {};
+
+  const length = input.length - 1;
+  const scanToEnd = opts.parts === true || opts.scanToEnd === true;
+  const slashes = [];
+  const tokens = [];
+  const parts = [];
+
+  let str = input;
+  let index = -1;
+  let start = 0;
+  let lastIndex = 0;
+  let isBrace = false;
+  let isBracket = false;
+  let isGlob = false;
+  let isExtglob = false;
+  let isGlobstar = false;
+  let braceEscaped = false;
+  let backslashes = false;
+  let negated = false;
+  let negatedExtglob = false;
+  let finished = false;
+  let braces = 0;
+  let prev;
+  let code;
+  let token = { value: '', depth: 0, isGlob: false };
+
+  const eos = () => index >= length;
+  const peek = () => str.charCodeAt(index + 1);
+  const advance = () => {
+    prev = code;
+    return str.charCodeAt(++index);
+  };
+
+  while (index < length) {
+    code = advance();
+    let next;
+
+    if (code === CHAR_BACKWARD_SLASH) {
+      backslashes = token.backslashes = true;
+      code = advance();
+
+      if (code === CHAR_LEFT_CURLY_BRACE) {
+        braceEscaped = true;
+      }
+      continue;
+    }
+
+    if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) {
+      braces++;
+
+      while (eos() !== true && (code = advance())) {
+        if (code === CHAR_BACKWARD_SLASH) {
+          backslashes = token.backslashes = true;
+          advance();
+          continue;
+        }
+
+        if (code === CHAR_LEFT_CURLY_BRACE) {
+          braces++;
+          continue;
+        }
+
+        if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) {
+          isBrace = token.isBrace = true;
+          isGlob = token.isGlob = true;
+          finished = true;
+
+          if (scanToEnd === true) {
+            continue;
+          }
+
+          break;
+        }
+
+        if (braceEscaped !== true && code === CHAR_COMMA) {
+          isBrace = token.isBrace = true;
+          isGlob = token.isGlob = true;
+          finished = true;
+
+          if (scanToEnd === true) {
+            continue;
+          }
+
+          break;
+        }
+
+        if (code === CHAR_RIGHT_CURLY_BRACE) {
+          braces--;
+
+          if (braces === 0) {
+            braceEscaped = false;
+            isBrace = token.isBrace = true;
+            finished = true;
+            break;
+          }
+        }
+      }
+
+      if (scanToEnd === true) {
+        continue;
+      }
+
+      break;
+    }
+
+    if (code === CHAR_FORWARD_SLASH) {
+      slashes.push(index);
+      tokens.push(token);
+      token = { value: '', depth: 0, isGlob: false };
+
+      if (finished === true) continue;
+      if (prev === CHAR_DOT && index === (start + 1)) {
+        start += 2;
+        continue;
+      }
+
+      lastIndex = index + 1;
+      continue;
+    }
+
+    if (opts.noext !== true) {
+      const isExtglobChar = code === CHAR_PLUS
+        || code === CHAR_AT
+        || code === CHAR_ASTERISK
+        || code === CHAR_QUESTION_MARK
+        || code === CHAR_EXCLAMATION_MARK;
+
+      if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) {
+        isGlob = token.isGlob = true;
+        isExtglob = token.isExtglob = true;
+        finished = true;
+        if (code === CHAR_EXCLAMATION_MARK && index === start) {
+          negatedExtglob = true;
+        }
+
+        if (scanToEnd === true) {
+          while (eos() !== true && (code = advance())) {
+            if (code === CHAR_BACKWARD_SLASH) {
+              backslashes = token.backslashes = true;
+              code = advance();
+              continue;
+            }
+
+            if (code === CHAR_RIGHT_PARENTHESES) {
+              isGlob = token.isGlob = true;
+              finished = true;
+              break;
+            }
+          }
+          continue;
+        }
+        break;
+      }
+    }
+
+    if (code === CHAR_ASTERISK) {
+      if (prev === CHAR_ASTERISK) isGlobstar = token.isGlobstar = true;
+      isGlob = token.isGlob = true;
+      finished = true;
+
+      if (scanToEnd === true) {
+        continue;
+      }
+      break;
+    }
+
+    if (code === CHAR_QUESTION_MARK) {
+      isGlob = token.isGlob = true;
+      finished = true;
+
+      if (scanToEnd === true) {
+        continue;
+      }
+      break;
+    }
+
+    if (code === CHAR_LEFT_SQUARE_BRACKET) {
+      while (eos() !== true && (next = advance())) {
+        if (next === CHAR_BACKWARD_SLASH) {
+          backslashes = token.backslashes = true;
+          advance();
+          continue;
+        }
+
+        if (next === CHAR_RIGHT_SQUARE_BRACKET) {
+          isBracket = token.isBracket = true;
+          isGlob = token.isGlob = true;
+          finished = true;
+          break;
+        }
+      }
+
+      if (scanToEnd === true) {
+        continue;
+      }
+
+      break;
+    }
+
+    if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) {
+      negated = token.negated = true;
+      start++;
+      continue;
+    }
+
+    if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) {
+      isGlob = token.isGlob = true;
+
+      if (scanToEnd === true) {
+        while (eos() !== true && (code = advance())) {
+          if (code === CHAR_LEFT_PARENTHESES) {
+            backslashes = token.backslashes = true;
+            code = advance();
+            continue;
+          }
+
+          if (code === CHAR_RIGHT_PARENTHESES) {
+            finished = true;
+            break;
+          }
+        }
+        continue;
+      }
+      break;
+    }
+
+    if (isGlob === true) {
+      finished = true;
+
+      if (scanToEnd === true) {
+        continue;
+      }
+
+      break;
+    }
+  }
+
+  if (opts.noext === true) {
+    isExtglob = false;
+    isGlob = false;
+  }
+
+  let base = str;
+  let prefix = '';
+  let glob = '';
+
+  if (start > 0) {
+    prefix = str.slice(0, start);
+    str = str.slice(start);
+    lastIndex -= start;
+  }
+
+  if (base && isGlob === true && lastIndex > 0) {
+    base = str.slice(0, lastIndex);
+    glob = str.slice(lastIndex);
+  } else if (isGlob === true) {
+    base = '';
+    glob = str;
+  } else {
+    base = str;
+  }
+
+  if (base && base !== '' && base !== '/' && base !== str) {
+    if (isPathSeparator(base.charCodeAt(base.length - 1))) {
+      base = base.slice(0, -1);
+    }
+  }
+
+  if (opts.unescape === true) {
+    if (glob) glob = utils.removeBackslashes(glob);
+
+    if (base && backslashes === true) {
+      base = utils.removeBackslashes(base);
+    }
+  }
+
+  const state = {
+    prefix,
+    input,
+    start,
+    base,
+    glob,
+    isBrace,
+    isBracket,
+    isGlob,
+    isExtglob,
+    isGlobstar,
+    negated,
+    negatedExtglob
+  };
+
+  if (opts.tokens === true) {
+    state.maxDepth = 0;
+    if (!isPathSeparator(code)) {
+      tokens.push(token);
+    }
+    state.tokens = tokens;
+  }
+
+  if (opts.parts === true || opts.tokens === true) {
+    let prevIndex;
+
+    for (let idx = 0; idx < slashes.length; idx++) {
+      const n = prevIndex ? prevIndex + 1 : start;
+      const i = slashes[idx];
+      const value = input.slice(n, i);
+      if (opts.tokens) {
+        if (idx === 0 && start !== 0) {
+          tokens[idx].isPrefix = true;
+          tokens[idx].value = prefix;
+        } else {
+          tokens[idx].value = value;
+        }
+        depth(tokens[idx]);
+        state.maxDepth += tokens[idx].depth;
+      }
+      if (idx !== 0 || value !== '') {
+        parts.push(value);
+      }
+      prevIndex = i;
+    }
+
+    if (prevIndex && prevIndex + 1 < input.length) {
+      const value = input.slice(prevIndex + 1);
+      parts.push(value);
+
+      if (opts.tokens) {
+        tokens[tokens.length - 1].value = value;
+        depth(tokens[tokens.length - 1]);
+        state.maxDepth += tokens[tokens.length - 1].depth;
+      }
+    }
+
+    state.slashes = slashes;
+    state.parts = parts;
+  }
+
+  return state;
+};
+
+module.exports = scan;
diff --git a/node_modules/picomatch/lib/utils.js b/node_modules/picomatch/lib/utils.js
new file mode 100644
index 0000000..c3ca766
--- /dev/null
+++ b/node_modules/picomatch/lib/utils.js
@@ -0,0 +1,64 @@
+'use strict';
+
+const path = require('path');
+const win32 = process.platform === 'win32';
+const {
+  REGEX_BACKSLASH,
+  REGEX_REMOVE_BACKSLASH,
+  REGEX_SPECIAL_CHARS,
+  REGEX_SPECIAL_CHARS_GLOBAL
+} = require('./constants');
+
+exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
+exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str);
+exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str);
+exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1');
+exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/');
+
+exports.removeBackslashes = str => {
+  return str.replace(REGEX_REMOVE_BACKSLASH, match => {
+    return match === '\\' ? '' : match;
+  });
+};
+
+exports.supportsLookbehinds = () => {
+  const segs = process.version.slice(1).split('.').map(Number);
+  if (segs.length === 3 && segs[0] >= 9 || (segs[0] === 8 && segs[1] >= 10)) {
+    return true;
+  }
+  return false;
+};
+
+exports.isWindows = options => {
+  if (options && typeof options.windows === 'boolean') {
+    return options.windows;
+  }
+  return win32 === true || path.sep === '\\';
+};
+
+exports.escapeLast = (input, char, lastIdx) => {
+  const idx = input.lastIndexOf(char, lastIdx);
+  if (idx === -1) return input;
+  if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1);
+  return `${input.slice(0, idx)}\\${input.slice(idx)}`;
+};
+
+exports.removePrefix = (input, state = {}) => {
+  let output = input;
+  if (output.startsWith('./')) {
+    output = output.slice(2);
+    state.prefix = './';
+  }
+  return output;
+};
+
+exports.wrapOutput = (input, state = {}, options = {}) => {
+  const prepend = options.contains ? '' : '^';
+  const append = options.contains ? '' : '$';
+
+  let output = `${prepend}(?:${input})${append}`;
+  if (state.negated === true) {
+    output = `(?:^(?!${output}).*$)`;
+  }
+  return output;
+};