blob: f67ec08df67231f373c2afb95b9f1dfa8ec1638f [file] [log] [blame]
"use strict";
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
// A simple implementation of make-array
function makeArray(subject) {
return Array.isArray(subject) ? subject : [subject];
}
var REGEX_TEST_BLANK_LINE = /^\s+$/;
var REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION = /^\\!/;
var REGEX_REPLACE_LEADING_EXCAPED_HASH = /^\\#/;
var REGEX_SPLITALL_CRLF = /\r?\n/g; // /foo,
// ./foo,
// ../foo,
// .
// ..
var REGEX_TEST_INVALID_PATH = /^\.*\/|^\.+$/;
var SLASH = '/';
var KEY_IGNORE = typeof Symbol !== 'undefined' ? Symbol["for"]('node-ignore')
/* istanbul ignore next */
: 'node-ignore';
var define = function define(object, key, value) {
return Object.defineProperty(object, key, {
value: value
});
};
var REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g; // Sanitize the range of a regular expression
// The cases are complicated, see test cases for details
var sanitizeRange = function sanitizeRange(range) {
return range.replace(REGEX_REGEXP_RANGE, function (match, from, to) {
return 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.
: '';
});
}; // > 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 '`..`'
var DEFAULT_REPLACER_PREFIX = [// > Trailing spaces are ignored unless they are quoted with backslash ("\")
[// (a\ ) -> (a )
// (a ) -> (a)
// (a \ ) -> (a )
/\\?\s+$/, function (match) {
return match.indexOf('\\') === 0 ? ' ' : '';
}], // replace (\ ) with ' '
[/\\\s/g, function () {
return ' ';
}], // 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, function (match) {
return "\\".concat(match);
}], [// > [abc] matches any character inside the brackets
// > (in this case a, b, or c);
/\[([^\]/]*)($|\])/g, function (match, p1, p2) {
return p2 === ']' ? "[".concat(sanitizeRange(p1), "]") : "\\".concat(match);
}], [// > a question mark (?) matches a single character
/(?!\\)\?/g, function () {
return '[^/]';
}], // 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
/^\//, function () {
return '^';
}], // replace special metacharacter slash after the leading slash
[/\//g, function () {
return '\\/';
}], [// > 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'
function () {
return '^(?:.*\\/)?';
}]];
var DEFAULT_REPLACER_SUFFIX = [// 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() {
return !/\/(?!$)/.test(this) // > If the pattern does not contain a slash /,
// > Git treats it as a shell glob pattern
// Actually, if there is only a trailing slash,
// git also treats it as a shell glob pattern
? '(?:^|\\/)' // > Otherwise, Git treats the pattern as a shell glob suitable for
// > consumption by fnmatch(3)
: '^';
}], // two globstars
[// Use lookahead assertions so that we could match more than one `'/**'`
/\\\/\\\*\\\*(?=\\\/|$)/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 `'/**'`
function (_, index, str) {
return 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
: '\\/.+';
}], // intermediate wildcards
[// Never replace escaped '*'
// ignore rule '\*' will match the path '*'
// 'abc.*/' -> go
// 'abc.*' -> skip this rule
/(^|[^\\]+)\\\*(?=.+)/g, // '*.js' matches '.js'
// '*.js' doesn't match 'abc'
function (_, p1) {
return "".concat(p1, "[^\\/]*");
}], // trailing wildcard
[/(\^|\\\/)?\\\*$/, function (_, p1) {
var prefix = p1 // '\^':
// '/*' does not match ''
// '/*' does not match everything
// '\\\/':
// 'abc/*' does not match 'abc/'
? "".concat(p1, "[^/]+") // 'a*' matches 'a'
// 'a*' matches 'aa'
: '[^/]*';
return "".concat(prefix, "(?=$|\\/$)");
}], [// unescape
/\\\\\\/g, function () {
return '\\';
}]];
var POSITIVE_REPLACERS = [].concat(DEFAULT_REPLACER_PREFIX, [// 'f'
// matches
// - /f(end)
// - /f/
// - (start)f(end)
// - (start)f/
// doesn't match
// - oof
// - foo
// pseudo:
// -> (^|/)f(/|$)
// ending
[// 'js' will not match 'js.'
// 'ab' will not match 'abc'
/(?:[^*/])$/, // 'js*' will not match 'a.js'
// 'js/' will not match 'a.js'
// 'js' will match 'a.js' and 'a.js/'
function (match) {
return "".concat(match, "(?=$|\\/)");
}]], DEFAULT_REPLACER_SUFFIX);
var NEGATIVE_REPLACERS = [].concat(DEFAULT_REPLACER_PREFIX, [// #24, #38
// The MISSING rule of [gitignore docs](https://git-scm.com/docs/gitignore)
// A negative pattern without a trailing wildcard should not
// re-include the things inside that directory.
// eg:
// ['node_modules/*', '!node_modules']
// should ignore `node_modules/a.js`
[/(?:[^*])$/, function (match) {
return "".concat(match, "(?=$|\\/$)");
}]], DEFAULT_REPLACER_SUFFIX); // A simple cache, because an ignore rule only has only one certain meaning
var regexCache = Object.create(null); // @param {pattern}
var makeRegex = function makeRegex(pattern, negative, ignorecase) {
var r = regexCache[pattern];
if (r) {
return r;
}
var replacers = negative ? NEGATIVE_REPLACERS : POSITIVE_REPLACERS;
var source = replacers.reduce(function (prev, current) {
return prev.replace(current[0], current[1].bind(pattern));
}, pattern);
return regexCache[pattern] = ignorecase ? new RegExp(source, 'i') : new RegExp(source);
};
var isString = function isString(subject) {
return typeof subject === 'string';
}; // > A blank line matches no files, so it can serve as a separator for readability.
var checkPattern = function checkPattern(pattern) {
return pattern && isString(pattern) && !REGEX_TEST_BLANK_LINE.test(pattern) // > A line starting with # serves as a comment.
&& pattern.indexOf('#') !== 0;
};
var splitPattern = function splitPattern(pattern) {
return pattern.split(REGEX_SPLITALL_CRLF);
};
var IgnoreRule = function IgnoreRule(origin, pattern, negative, regex) {
_classCallCheck(this, IgnoreRule);
this.origin = origin;
this.pattern = pattern;
this.negative = negative;
this.regex = regex;
};
var createRule = function createRule(pattern, ignorecase) {
var origin = pattern;
var 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, '#');
var regex = makeRegex(pattern, negative, ignorecase);
return new IgnoreRule(origin, pattern, negative, regex);
};
var throwError = function throwError(message, Ctor) {
throw new Ctor(message);
};
var checkPath = function checkPath(path, originalPath, doThrow) {
if (!isString(path)) {
return doThrow("path must be a string, but got `".concat(originalPath, "`"), TypeError);
} // We don't know if we should ignore '', so throw
if (!path) {
return doThrow("path must not be empty", TypeError);
} // Check if it is a relative path
if (checkPath.isNotRelative(path)) {
var r = '`path.relative()`d';
return doThrow("path should be a ".concat(r, " string, but got \"").concat(originalPath, "\""), RangeError);
}
return true;
};
var isNotRelative = function isNotRelative(path) {
return REGEX_TEST_INVALID_PATH.test(path);
};
checkPath.isNotRelative = isNotRelative;
checkPath.convert = function (p) {
return p;
};
var Ignore =
/*#__PURE__*/
function () {
function Ignore() {
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
_ref$ignorecase = _ref.ignorecase,
ignorecase = _ref$ignorecase === void 0 ? true : _ref$ignorecase;
_classCallCheck(this, Ignore);
this._rules = [];
this._ignorecase = ignorecase;
define(this, KEY_IGNORE, true);
this._initCache();
}
_createClass(Ignore, [{
key: "_initCache",
value: function _initCache() {
this._ignoreCache = Object.create(null);
this._testCache = Object.create(null);
}
}, {
key: "_addPattern",
value: function _addPattern(pattern) {
// #32
if (pattern && pattern[KEY_IGNORE]) {
this._rules = this._rules.concat(pattern._rules);
this._added = true;
return;
}
if (checkPattern(pattern)) {
var rule = createRule(pattern, this._ignorecase);
this._added = true;
this._rules.push(rule);
}
} // @param {Array<string> | string | Ignore} pattern
}, {
key: "add",
value: function 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
}, {
key: "addPattern",
value: function 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
}, {
key: "_testOne",
value: function _testOne(path, checkUnignored) {
var ignored = false;
var unignored = false;
this._rules.forEach(function (rule) {
var negative = rule.negative;
if (unignored === negative && ignored !== unignored || negative && !ignored && !unignored && !checkUnignored) {
return;
}
var matched = rule.regex.test(path);
if (matched) {
ignored = !negative;
unignored = negative;
}
});
return {
ignored: ignored,
unignored: unignored
};
} // @returns {TestResult}
}, {
key: "_test",
value: function _test(originalPath, cache, checkUnignored, slices) {
var path = originalPath // Supports nullable path
&& checkPath.convert(originalPath);
checkPath(path, originalPath, throwError);
return this._t(path, cache, checkUnignored, slices);
}
}, {
key: "_t",
value: function _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);
}
var 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);
}
}, {
key: "ignores",
value: function ignores(path) {
return this._test(path, this._ignoreCache, false).ignored;
}
}, {
key: "createFilter",
value: function createFilter() {
var _this = this;
return function (path) {
return !_this.ignores(path);
};
}
}, {
key: "filter",
value: function filter(paths) {
return makeArray(paths).filter(this.createFilter());
} // @returns {TestResult}
}, {
key: "test",
value: function test(path) {
return this._test(path, this._testCache, true);
}
}]);
return Ignore;
}();
var factory = function factory(options) {
return new Ignore(options);
};
var returnFalse = function returnFalse() {
return false;
};
var isPathValid = function isPathValid(path) {
return checkPath(path && checkPath.convert(path), path, returnFalse);
};
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" */
var makePosix = function makePosix(str) {
return /^\\\\\?\\/.test(str) || /[\0-\x1F"<>\|]+/.test(str) ? str : str.replace(/\\/g, '/');
};
checkPath.convert = makePosix; // 'C:\\foo' <- 'C:\\foo' has been converted to 'C:/'
// 'd:\\foo'
var REGIX_IS_WINDOWS_PATH_ABSOLUTE = /^[a-z]:\//i;
checkPath.isNotRelative = function (path) {
return REGIX_IS_WINDOWS_PATH_ABSOLUTE.test(path) || isNotRelative(path);
};
}