odin-javascript-exercises/node_modules/globby/index.js
2017-12-15 12:56:14 -06:00

65 lines
1.5 KiB
JavaScript

'use strict';
var Promise = require('pinkie-promise');
var arrayUnion = require('array-union');
var objectAssign = require('object-assign');
var glob = require('glob');
var arrify = require('arrify');
var pify = require('pify');
var globP = pify(glob, Promise).bind(glob);
function isNegative(pattern) {
return pattern[0] === '!';
}
function generateGlobTasks(patterns, opts) {
var globTasks = [];
patterns = arrify(patterns);
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 = generateGlobTasks(patterns, opts);
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;