- 'use strict';
- var Promise = require('pinkie-promise');
- var arrayUnion = require('array-union');
- var objectAssign = require('object-assign');
- var glob = require('glob');
- var pify = require('pify');
-
- var globP = pify(glob, Promise).bind(glob);
-
- function isNegative(pattern) {
- return pattern[0] === '!';
- }
-
- function isString(value) {
- return typeof value === 'string';
- }
-
- function assertPatternsInput(patterns) {
- if (!patterns.every(isString)) {
- throw new TypeError('patterns must be a string or an array of strings');
- }
- }
-
- function generateGlobTasks(patterns, opts) {
- patterns = [].concat(patterns);
- assertPatternsInput(patterns);
-
- var globTasks = [];
-
- opts = objectAssign({
- cache: Object.create(null),
- statCache: Object.create(null),
- realpathCache: Object.create(null),
- symlinks: Object.create(null),
- ignore: []
- }, opts);
-
- patterns.forEach(function (pattern, i) {
- if (isNegative(pattern)) {
- return;
- }
-
- var ignore = patterns.slice(i).filter(isNegative).map(function (pattern) {
- return pattern.slice(1);
- });
-
- globTasks.push({
- pattern: pattern,
- opts: objectAssign({}, opts, {
- ignore: opts.ignore.concat(ignore)
- })
- });
- });
-
- return globTasks;
- }
-
- module.exports = function (patterns, opts) {
- var globTasks;
-
- try {
- globTasks = generateGlobTasks(patterns, opts);
- } catch (err) {
- return Promise.reject(err);
- }
-
- return Promise.all(globTasks.map(function (task) {
- return globP(task.pattern, task.opts);
- })).then(function (paths) {
- return arrayUnion.apply(null, paths);
- });
- };
-
- module.exports.sync = function (patterns, opts) {
- var globTasks = generateGlobTasks(patterns, opts);
-
- return globTasks.reduce(function (matches, task) {
- return arrayUnion(matches, glob.sync(task.pattern, task.opts));
- }, []);
- };
-
- module.exports.generateGlobTasks = generateGlobTasks;
-
- module.exports.hasMagic = function (patterns, opts) {
- return [].concat(patterns).some(function (pattern) {
- return glob.hasMagic(pattern, opts);
- });
- };