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-
- function make_array (subject) {
- return Array.isArray(subject)
- ? subject
- : [subject]
- }
-
- const REGEX_BLANK_LINE = /^\s+$/
- const REGEX_LEADING_EXCAPED_EXCLAMATION = /^\\!/
- const REGEX_LEADING_EXCAPED_HASH = /^\\#/
- const SLASH = '/'
- const KEY_IGNORE = typeof Symbol !== 'undefined'
- ? Symbol.for('node-ignore')
-
- : 'node-ignore'
-
- const define = (object, key, value) =>
- Object.defineProperty(object, key, {value})
-
- const REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g
-
-
-
- const sanitizeRange = range => range.replace(
- REGEX_REGEXP_RANGE,
- (match, from, to) => from.charCodeAt(0) <= to.charCodeAt(0)
- ? match
-
-
- : ''
- )
-
-
-
-
-
-
-
-
-
-
-
-
- const DEFAULT_REPLACER_PREFIX = [
-
-
- [
-
-
-
- /\\?\s+$/,
- match => match.indexOf('\\') === 0
- ? ' '
- : ''
- ],
-
-
- [
- /\\\s/g,
- () => ' '
- ],
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- [
- /[\\^$.|*+(){]/g,
- match => `\\${match}`
- ],
-
- [
-
-
- /\[([^\]/]*)($|\])/g,
- (match, p1, p2) => p2 === ']'
- ? `[${sanitizeRange(p1)}]`
- : `\\${match}`
- ],
-
- [
-
- /(?!\\)\?/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'
- () => '^(?:.*\\/)?'
- ]
- ]
-
- const 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- // (which has been replaced by section "leading slash")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 !/\/(?!$)/.test(this)
-
-
-
-
- ? '(?:^|\\/)'
-
-
-
- : '^'
- }
- ],
-
-
- [
-
- /\\\/\\\*\\\*(?=\\\/|$)/g,
-
-
-
-
-
- (match, index, str) => index + 6 < str.length
-
-
-
-
-
-
- ? '(?:\\/[^\\/]+)*'
-
-
-
-
-
- : '\\/.+'
- ],
-
-
- [
-
-
-
-
-
- /(^|[^\\]+)\\\*(?=.+)/g,
-
-
-
- (match, p1) => `${p1}[^\\/]*`
- ],
-
-
- [
- /(\^|\\\/)?\\\*$/,
- (match, p1) => {
- const prefix = p1
-
-
-
-
-
-
- ? `${p1}[^/]+`
-
-
-
- : '[^/]*'
-
- return `${prefix}(?=$|\\/$)`
- }
- ],
-
- [
-
- /\\\\\\/g,
- () => '\\'
- ]
- ]
-
- const POSITIVE_REPLACERS = [
- ...DEFAULT_REPLACER_PREFIX,
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- [
-
-
- /(?:[^*/])$/,
-
-
-
-
- match => `${match}(?=$|\\/)`
- ],
-
- ...DEFAULT_REPLACER_SUFFIX
- ]
-
- const NEGATIVE_REPLACERS = [
- ...DEFAULT_REPLACER_PREFIX,
-
-
-
-
-
-
-
-
-
- [
- /(?:[^*])$/,
- match => `${match}(?=$|\\/$)`
- ],
-
- ...DEFAULT_REPLACER_SUFFIX
- ]
-
-
- const cache = Object.create(null)
-
-
- const make_regex = (pattern, negative, ignorecase) => {
- const r = cache[pattern]
- if (r) {
- return r
- }
-
- const replacers = negative
- ? NEGATIVE_REPLACERS
- : POSITIVE_REPLACERS
-
- const source = replacers.reduce(
- (prev, current) => prev.replace(current[0], current[1].bind(pattern)),
- pattern
- )
-
- return cache[pattern] = ignorecase
- ? new RegExp(source, 'i')
- : new RegExp(source)
- }
-
-
- const checkPattern = pattern => pattern
- && typeof pattern === 'string'
- && !REGEX_BLANK_LINE.test(pattern)
-
-
- && pattern.indexOf('#') !== 0
-
- const createRule = (pattern, ignorecase) => {
- const origin = pattern
- let negative = false
-
-
- if (pattern.indexOf('!') === 0) {
- negative = true
- pattern = pattern.substr(1)
- }
-
- pattern = pattern
-
-
- .replace(REGEX_LEADING_EXCAPED_EXCLAMATION, '!')
-
-
- .replace(REGEX_LEADING_EXCAPED_HASH, '#')
-
- const regex = make_regex(pattern, negative, ignorecase)
-
- return {
- origin,
- pattern,
- negative,
- regex
- }
- }
-
- class IgnoreBase {
- constructor ({
- ignorecase = true
- } = {}) {
- this._rules = []
- this._ignorecase = ignorecase
- define(this, KEY_IGNORE, true)
- this._initCache()
- }
-
- _initCache () {
- this._cache = Object.create(null)
- }
-
-
- add (pattern) {
- this._added = false
-
- if (typeof pattern === 'string') {
- pattern = pattern.split(/\r?\n/g)
- }
-
- make_array(pattern).forEach(this._addPattern, this)
-
-
-
- if (this._added) {
- this._initCache()
- }
-
- return this
- }
-
-
- addPattern (pattern) {
- return this.add(pattern)
- }
-
- _addPattern (pattern) {
-
- 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)
- }
- }
-
- filter (paths) {
- return make_array(paths).filter(path => this._filter(path))
- }
-
- createFilter () {
- return path => this._filter(path)
- }
-
- ignores (path) {
- return !this._filter(path)
- }
-
-
- _filter (path, slices) {
- if (!path) {
- return false
- }
-
- if (path in this._cache) {
- return this._cache[path]
- }
-
- if (!slices) {
-
-
- slices = path.split(SLASH)
- }
-
- slices.pop()
-
- return this._cache[path] = slices.length
-
-
-
- ? this._filter(slices.join(SLASH) + SLASH, slices)
- && this._test(path)
-
-
- : this._test(path)
- }
-
-
- _test (path) {
-
- let matched = 0
-
- this._rules.forEach(rule => {
-
-
- if (!(matched ^ rule.negative)) {
- matched = rule.negative ^ rule.regex.test(path)
- }
- })
-
- return !matched
- }
- }
-
-
-
-
- if (
-
- typeof process !== 'undefined'
- && (
- process.env && process.env.IGNORE_TEST_WIN32
- || process.platform === 'win32'
- )
- ) {
- const filter = IgnoreBase.prototype._filter
-
-
- const make_posix = str => /^\\\\\?\\/.test(str)
- || /[^\x00-\x80]+/.test(str)
- ? str
- : str.replace(/\\/g, '/')
-
- IgnoreBase.prototype._filter = function filterWin32 (path, slices) {
- path = make_posix(path)
- return filter.call(this, path, slices)
- }
- }
-
- module.exports = options => new IgnoreBase(options)
|