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/**
* @fileoverview An inherited `glob.GlobSync` to support .gitignore patterns.
* @author Kael Zhang
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const Sync = require("glob").GlobSync,
util = require("util");
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
const IGNORE = Symbol("ignore");
/**
* Subclass of `glob.GlobSync`
* @param {string} pattern Pattern to be matched.
* @param {Object} options `options` for `glob`
* @param {function()} shouldIgnore Method to check whether a directory should be ignored.
* @constructor
*/
function GlobSync(pattern, options, shouldIgnore) {
/**
* We don't put this thing to argument `options` to avoid
* further problems, such as `options` validation.
*
* Use `Symbol` as much as possible to avoid confliction.
*/
this[IGNORE] = shouldIgnore;
Sync.call(this, pattern, options);
}
util.inherits(GlobSync, Sync);
/* eslint no-underscore-dangle: ["error", { "allow": ["_readdir", "_mark"] }] */
GlobSync.prototype._readdir = function(abs, inGlobStar) {
/**
* `options.nodir` makes `options.mark` as `true`.
* Mark `abs` first
* to make sure `"node_modules"` will be ignored immediately with ignore pattern `"node_modules/"`.
*
* There is a built-in cache about marked `File.Stat` in `glob`, so that we could not worry about the extra invocation of `this._mark()`
*/
const marked = this._mark(abs);
if (this[IGNORE](marked)) {
return null;
}
return Sync.prototype._readdir.call(this, abs, inGlobStar);
};
module.exports = GlobSync;
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