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