Add node_modules

node_modules/ignore/index.js

@@ -0,0 +1,618 @@
+// A simple implementation of make-array
+function makeArray (subject) {
+  return Array.isArray(subject)
+    ? subject
+    : [subject]
+}
+
+const EMPTY = ''
+const SPACE = ' '
+const ESCAPE = '\\'
+const REGEX_TEST_BLANK_LINE = /^\s+$/
+const REGEX_INVALID_TRAILING_BACKSLASH = /(?:[^\\]|^)\\$/
+const REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION = /^\\!/
+const REGEX_REPLACE_LEADING_EXCAPED_HASH = /^\\#/
+const REGEX_SPLITALL_CRLF = /\r?\n/g
+// /foo,
+// ./foo,
+// ../foo,
+// .
+// ..
+const REGEX_TEST_INVALID_PATH = /^\.*\/|^\.+$/
+
+const SLASH = '/'
+
+// Do not use ternary expression here, since "istanbul ignore next" is buggy
+let TMP_KEY_IGNORE = 'node-ignore'
+/* istanbul ignore else */
+if (typeof Symbol !== 'undefined') {
+  TMP_KEY_IGNORE = Symbol.for('node-ignore')
+}
+const KEY_IGNORE = TMP_KEY_IGNORE
+
+const define = (object, key, value) =>
+  Object.defineProperty(object, key, {value})
+
+const REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g
+
+const RETURN_FALSE = () => false
+
+// Sanitize the range of a regular expression
+// The cases are complicated, see test cases for details
+const sanitizeRange = range => range.replace(
+  REGEX_REGEXP_RANGE,
+  (match, from, to) => from.charCodeAt(0) <= to.charCodeAt(0)
+    ? match
+    // Invalid range (out of order) which is ok for gitignore rules but
+    //   fatal for JavaScript regular expression, so eliminate it.
+    : EMPTY
+)
+
+// See fixtures #59
+const cleanRangeBackSlash = slashes => {
+  const {length} = slashes
+  return slashes.slice(0, length - length % 2)
+}
+
+// > If the pattern ends with a slash,
+// > it is removed for the purpose of the following description,
+// > but it would only find a match with a directory.
+// > In other words, foo/ will match a directory foo and paths underneath it,
+// > but will not match a regular file or a symbolic link foo
+// >  (this is consistent with the way how pathspec works in general in Git).
+// '`foo/`' will not match regular file '`foo`' or symbolic link '`foo`'
+// -> ignore-rules will not deal with it, because it costs extra `fs.stat` call
+//      you could use option `mark: true` with `glob`
+
+// '`foo/`' should not continue with the '`..`'
+const REPLACERS = [
+
+  // > Trailing spaces are ignored unless they are quoted with backslash ("\")
+  [
+    // (a\ ) -> (a )
+    // (a  ) -> (a)
+    // (a \ ) -> (a  )
+    /\\?\s+$/,
+    match => match.indexOf('\\') === 0
+      ? SPACE
+      : EMPTY
+  ],
+
+  // replace (\ ) with ' '
+  [
+    /\\\s/g,
+    () => SPACE
+  ],
+
+  // Escape metacharacters
+  // which is written down by users but means special for regular expressions.
+
+  // > There are 12 characters with special meanings:
+  // > - the backslash \,
+  // > - the caret ^,
+  // > - the dollar sign $,
+  // > - the period or dot .,
+  // > - the vertical bar or pipe symbol |,
+  // > - the question mark ?,
+  // > - the asterisk or star *,
+  // > - the plus sign +,
+  // > - the opening parenthesis (,
+  // > - the closing parenthesis ),
+  // > - and the opening square bracket [,
+  // > - the opening curly brace {,
+  // > These special characters are often called "metacharacters".
+  [
+    /[\\$.|*+(){^]/g,
+    match => `\\${match}`
+  ],
+
+  [
+    // > a question mark (?) matches a single character
+    /(?!\\)\?/g,
+    () => '[^/]'
+  ],
+
+  // leading slash
+  [
+
+    // > A leading slash matches the beginning of the pathname.
+    // > For example, "/*.c" matches "cat-file.c" but not "mozilla-sha1/sha1.c".
+    // A leading slash matches the beginning of the pathname
+    /^\//,
+    () => '^'
+  ],
+
+  // replace special metacharacter slash after the leading slash
+  [
+    /\//g,
+    () => '\\/'
+  ],
+
+  [
+    // > A leading "**" followed by a slash means match in all directories.
+    // > For example, "**/foo" matches file or directory "foo" anywhere,
+    // > the same as pattern "foo".
+    // > "**/foo/bar" matches file or directory "bar" anywhere that is directly
+    // >   under directory "foo".
+    // Notice that the '*'s have been replaced as '\\*'
+    /^\^*\\\*\\\*\\\//,
+
+    // '**/foo' <-> 'foo'
+    () => '^(?:.*\\/)?'
+  ],
+
+  // starting
+  [
+    // there will be no leading '/'
+    //   (which has been replaced by section "leading slash")
+    // If starts with '**', adding a '^' to the regular expression also works
+    /^(?=[^^])/,
+    function startingReplacer () {
+      // If has a slash `/` at the beginning or middle
+      return !/\/(?!$)/.test(this)
+        // > Prior to 2.22.1
+        // > If the pattern does not contain a slash /,
+        // >   Git treats it as a shell glob pattern
+        // Actually, if there is only a trailing slash,
+        //   git also treats it as a shell glob pattern
+
+        // After 2.22.1 (compatible but clearer)
+        // > If there is a separator at the beginning or middle (or both)
+        // > of the pattern, then the pattern is relative to the directory
+        // > level of the particular .gitignore file itself.
+        // > Otherwise the pattern may also match at any level below
+        // > the .gitignore level.
+        ? '(?:^|\\/)'
+
+        // > Otherwise, Git treats the pattern as a shell glob suitable for
+        // >   consumption by fnmatch(3)
+        : '^'
+    }
+  ],
+
+  // two globstars
+  [
+    // Use lookahead assertions so that we could match more than one `'/**'`
+    /\\\/\\\*\\\*(?=\\\/|$)/g,
+
+    // Zero, one or several directories
+    // should not use '*', or it will be replaced by the next replacer
+
+    // Check if it is not the last `'/**'`
+    (_, index, str) => index + 6 < str.length
+
+      // case: /**/
+      // > A slash followed by two consecutive asterisks then a slash matches
+      // >   zero or more directories.
+      // > For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on.
+      // '/**/'
+      ? '(?:\\/[^\\/]+)*'
+
+      // case: /**
+      // > A trailing `"/**"` matches everything inside.
+
+      // #21: everything inside but it should not include the current folder
+      : '\\/.+'
+  ],
+
+  // normal intermediate wildcards
+  [
+    // Never replace escaped '*'
+    // ignore rule '\*' will match the path '*'
+
+    // 'abc.*/' -> go
+    // 'abc.*'  -> skip this rule,
+    //    coz trailing single wildcard will be handed by [trailing wildcard]
+    /(^|[^\\]+)(\\\*)+(?=.+)/g,
+
+    // '*.js' matches '.js'
+    // '*.js' doesn't match 'abc'
+    (_, p1, p2) => {
+      // 1.
+      // > An asterisk "*" matches anything except a slash.
+      // 2.
+      // > Other consecutive asterisks are considered regular asterisks
+      // > and will match according to the previous rules.
+      const unescaped = p2.replace(/\\\*/g, '[^\\/]*')
+      return p1 + unescaped
+    }
+  ],
+
+  [
+    // unescape, revert step 3 except for back slash
+    // For example, if a user escape a '\\*',
+    // after step 3, the result will be '\\\\\\*'
+    /\\\\\\(?=[$.|*+(){^])/g,
+    () => ESCAPE
+  ],
+
+  [
+    // '\\\\' -> '\\'
+    /\\\\/g,
+    () => ESCAPE
+  ],
+
+  [
+    // > The range notation, e.g. [a-zA-Z],
+    // > can be used to match one of the characters in a range.
+
+    // `\` is escaped by step 3
+    /(\\)?\[([^\]/]*?)(\\*)($|\])/g,
+    (match, leadEscape, range, endEscape, close) => leadEscape === ESCAPE
+      // '\\[bar]' -> '\\\\[bar\\]'
+      ? `\\[${range}${cleanRangeBackSlash(endEscape)}${close}`
+      : close === ']'
+        ? endEscape.length % 2 === 0
+          // A normal case, and it is a range notation
+          // '[bar]'
+          // '[bar\\\\]'
+          ? `[${sanitizeRange(range)}${endEscape}]`
+          // Invalid range notaton
+          // '[bar\\]' -> '[bar\\\\]'
+          : '[]'
+        : '[]'
+  ],
+
+  // ending
+  [
+    // 'js' will not match 'js.'
+    // 'ab' will not match 'abc'
+    /(?:[^*])$/,
+
+    // WTF!
+    // https://git-scm.com/docs/gitignore
+    // changes in [2.22.1](https://git-scm.com/docs/gitignore/2.22.1)
+    // which re-fixes #24, #38
+
+    // > If there is a separator at the end of the pattern then the pattern
+    // > will only match directories, otherwise the pattern can match both
+    // > files and directories.
+
+    // 'js*' will not match 'a.js'
+    // 'js/' will not match 'a.js'
+    // 'js' will match 'a.js' and 'a.js/'
+    match => /\/$/.test(match)
+      // foo/ will not match 'foo'
+      ? `${match}$`
+      // foo matches 'foo' and 'foo/'
+      : `${match}(?=$|\\/$)`
+  ],
+
+  // trailing wildcard
+  [
+    /(\^|\\\/)?\\\*$/,
+    (_, p1) => {
+      const prefix = p1
+        // '\^':
+        // '/*' does not match EMPTY
+        // '/*' does not match everything
+
+        // '\\\/':
+        // 'abc/*' does not match 'abc/'
+        ? `${p1}[^/]+`
+
+        // 'a*' matches 'a'
+        // 'a*' matches 'aa'
+        : '[^/]*'
+
+      return `${prefix}(?=$|\\/$)`
+    }
+  ],
+]
+
+// A simple cache, because an ignore rule only has only one certain meaning
+const regexCache = Object.create(null)
+
+// @param {pattern}
+const makeRegex = (pattern, ignoreCase) => {
+  let source = regexCache[pattern]
+
+  if (!source) {
+    source = REPLACERS.reduce(
+      (prev, current) => prev.replace(current[0], current[1].bind(pattern)),
+      pattern
+    )
+    regexCache[pattern] = source
+  }
+
+  return ignoreCase
+    ? new RegExp(source, 'i')
+    : new RegExp(source)
+}
+
+const isString = subject => typeof subject === 'string'
+
+// > A blank line matches no files, so it can serve as a separator for readability.
+const checkPattern = pattern => pattern
+  && isString(pattern)
+  && !REGEX_TEST_BLANK_LINE.test(pattern)
+  && !REGEX_INVALID_TRAILING_BACKSLASH.test(pattern)
+
+  // > A line starting with # serves as a comment.
+  && pattern.indexOf('#') !== 0
+
+const splitPattern = pattern => pattern.split(REGEX_SPLITALL_CRLF)
+
+class IgnoreRule {
+  constructor (
+    origin,
+    pattern,
+    negative,
+    regex
+  ) {
+    this.origin = origin
+    this.pattern = pattern
+    this.negative = negative
+    this.regex = regex
+  }
+}
+
+const createRule = (pattern, ignoreCase) => {
+  const origin = pattern
+  let negative = false
+
+  // > An optional prefix "!" which negates the pattern;
+  if (pattern.indexOf('!') === 0) {
+    negative = true
+    pattern = pattern.substr(1)
+  }
+
+  pattern = pattern
+  // > Put a backslash ("\") in front of the first "!" for patterns that
+  // >   begin with a literal "!", for example, `"\!important!.txt"`.
+  .replace(REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION, '!')
+  // > Put a backslash ("\") in front of the first hash for patterns that
+  // >   begin with a hash.
+  .replace(REGEX_REPLACE_LEADING_EXCAPED_HASH, '#')
+
+  const regex = makeRegex(pattern, ignoreCase)
+
+  return new IgnoreRule(
+    origin,
+    pattern,
+    negative,
+    regex
+  )
+}
+
+const throwError = (message, Ctor) => {
+  throw new Ctor(message)
+}
+
+const checkPath = (path, originalPath, doThrow) => {
+  if (!isString(path)) {
+    return doThrow(
+      `path must be a string, but got \`${originalPath}\``,
+      TypeError
+    )
+  }
+
+  // We don't know if we should ignore EMPTY, so throw
+  if (!path) {
+    return doThrow(`path must not be empty`, TypeError)
+  }
+
+  // Check if it is a relative path
+  if (checkPath.isNotRelative(path)) {
+    const r = '`path.relative()`d'
+    return doThrow(
+      `path should be a ${r} string, but got "${originalPath}"`,
+      RangeError
+    )
+  }
+
+  return true
+}
+
+const isNotRelative = path => REGEX_TEST_INVALID_PATH.test(path)
+
+checkPath.isNotRelative = isNotRelative
+checkPath.convert = p => p
+
+class Ignore {
+  constructor ({
+    ignorecase = true,
+    ignoreCase = ignorecase,
+    allowRelativePaths = false
+  } = {}) {
+    define(this, KEY_IGNORE, true)
+
+    this._rules = []
+    this._ignoreCase = ignoreCase
+    this._allowRelativePaths = allowRelativePaths
+    this._initCache()
+  }
+
+  _initCache () {
+    this._ignoreCache = Object.create(null)
+    this._testCache = Object.create(null)
+  }
+
+  _addPattern (pattern) {
+    // #32
+    if (pattern && pattern[KEY_IGNORE]) {
+      this._rules = this._rules.concat(pattern._rules)
+      this._added = true
+      return
+    }
+
+    if (checkPattern(pattern)) {
+      const rule = createRule(pattern, this._ignoreCase)
+      this._added = true
+      this._rules.push(rule)
+    }
+  }
+
+  // @param {Array<string> | string | Ignore} pattern
+  add (pattern) {
+    this._added = false
+
+    makeArray(
+      isString(pattern)
+        ? splitPattern(pattern)
+        : pattern
+    ).forEach(this._addPattern, this)
+
+    // Some rules have just added to the ignore,
+    // making the behavior changed.
+    if (this._added) {
+      this._initCache()
+    }
+
+    return this
+  }
+
+  // legacy
+  addPattern (pattern) {
+    return this.add(pattern)
+  }
+
+  //          |           ignored : unignored
+  // negative |   0:0   |   0:1   |   1:0   |   1:1
+  // -------- | ------- | ------- | ------- | --------
+  //     0    |  TEST   |  TEST   |  SKIP   |    X
+  //     1    |  TESTIF |  SKIP   |  TEST   |    X
+
+  // - SKIP: always skip
+  // - TEST: always test
+  // - TESTIF: only test if checkUnignored
+  // - X: that never happen
+
+  // @param {boolean} whether should check if the path is unignored,
+  //   setting `checkUnignored` to `false` could reduce additional
+  //   path matching.
+
+  // @returns {TestResult} true if a file is ignored
+  _testOne (path, checkUnignored) {
+    let ignored = false
+    let unignored = false
+
+    this._rules.forEach(rule => {
+      const {negative} = rule
+      if (
+        unignored === negative && ignored !== unignored
+        || negative && !ignored && !unignored && !checkUnignored
+      ) {
+        return
+      }
+
+      const matched = rule.regex.test(path)
+
+      if (matched) {
+        ignored = !negative
+        unignored = negative
+      }
+    })
+
+    return {
+      ignored,
+      unignored
+    }
+  }
+
+  // @returns {TestResult}
+  _test (originalPath, cache, checkUnignored, slices) {
+    const path = originalPath
+      // Supports nullable path
+      && checkPath.convert(originalPath)
+
+    checkPath(
+      path,
+      originalPath,
+      this._allowRelativePaths
+        ? RETURN_FALSE
+        : throwError
+    )
+
+    return this._t(path, cache, checkUnignored, slices)
+  }
+
+  _t (path, cache, checkUnignored, slices) {
+    if (path in cache) {
+      return cache[path]
+    }
+
+    if (!slices) {
+      // path/to/a.js
+      // ['path', 'to', 'a.js']
+      slices = path.split(SLASH)
+    }
+
+    slices.pop()
+
+    // If the path has no parent directory, just test it
+    if (!slices.length) {
+      return cache[path] = this._testOne(path, checkUnignored)
+    }
+
+    const parent = this._t(
+      slices.join(SLASH) + SLASH,
+      cache,
+      checkUnignored,
+      slices
+    )
+
+    // If the path contains a parent directory, check the parent first
+    return cache[path] = parent.ignored
+      // > It is not possible to re-include a file if a parent directory of
+      // >   that file is excluded.
+      ? parent
+      : this._testOne(path, checkUnignored)
+  }
+
+  ignores (path) {
+    return this._test(path, this._ignoreCache, false).ignored
+  }
+
+  createFilter () {
+    return path => !this.ignores(path)
+  }
+
+  filter (paths) {
+    return makeArray(paths).filter(this.createFilter())
+  }
+
+  // @returns {TestResult}
+  test (path) {
+    return this._test(path, this._testCache, true)
+  }
+}
+
+const factory = options => new Ignore(options)
+
+const isPathValid = path =>
+  checkPath(path && checkPath.convert(path), path, RETURN_FALSE)
+
+factory.isPathValid = isPathValid
+
+// Fixes typescript
+factory.default = factory
+
+module.exports = factory
+
+// Windows
+// --------------------------------------------------------------
+/* istanbul ignore if */
+if (
+  // Detect `process` so that it can run in browsers.
+  typeof process !== 'undefined'
+  && (
+    process.env && process.env.IGNORE_TEST_WIN32
+    || process.platform === 'win32'
+  )
+) {
+  /* eslint no-control-regex: "off" */
+  const makePosix = str => /^\\\\\?\\/.test(str)
+  || /["<>|\u0000-\u001F]+/u.test(str)
+    ? str
+    : str.replace(/\\/g, '/')
+
+  checkPath.convert = makePosix
+
+  // 'C:\\foo'     <- 'C:\\foo' has been converted to 'C:/'
+  // 'd:\\foo'
+  const REGIX_IS_WINDOWS_PATH_ABSOLUTE = /^[a-z]:\//i
+  checkPath.isNotRelative = path =>
+    REGIX_IS_WINDOWS_PATH_ABSOLUTE.test(path)
+    || isNotRelative(path)
+}