78 lines
1.7 KiB
JavaScript
78 lines
1.7 KiB
JavaScript
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'use strict';
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var glob = require('glob');
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var reduce = require('async-array-reduce');
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var isValidGlob = require('is-valid-glob');
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var hasGlob = require('has-glob');
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var utils = require('./utils');
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module.exports = function(patterns, config, cb) {
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if (typeof config === 'function') {
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cb = config;
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config = {};
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}
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if (typeof cb !== 'function') {
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throw new Error('expected a callback function.');
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}
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if (!isValidGlob(patterns)) {
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cb(new Error('invalid glob pattern: ' + patterns));
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return;
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}
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// shallow clone options
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var options = Object.assign({cwd: ''}, config);
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options.cwd = utils.cwd(options);
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patterns = utils.arrayify(patterns);
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if (!hasGlob(patterns)) {
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patterns = utils.getPaths(patterns, options);
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cb(null, patterns);
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return;
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}
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var sifted = utils.sift(patterns, options);
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var Glob = glob.Glob;
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var cache = [];
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var res;
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function updateOptions(inclusive) {
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return utils.setIgnores(options, sifted.excludes, inclusive.index);
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}
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reduce(sifted.includes, [], function(acc, include, next) {
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var opts = updateOptions(include);
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if (acc.glob) {
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opts.cache = acc.glob.cache;
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}
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res = new Glob(include.pattern, opts, function(err, files) {
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if (err) {
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next(err);
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return;
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}
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cache.push(res.cache);
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acc = acc.concat(files);
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acc.glob = res;
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next(null, acc);
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});
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}, function(err, files) {
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if (err) {
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cb(err);
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return;
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}
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Object.defineProperty(files, 'cache', {
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configurable: true,
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get: function() {
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return utils.createCache(cache);
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}
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});
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delete files.glob;
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cb(null, files);
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});
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};
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