Craig Condon
89 lines
2.3 KiB
JavaScript
89 lines
2.3 KiB
JavaScript
var fs = require('fs');
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var EventEmitter = require('events').EventEmitter;
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var Seq = require('seq');
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exports = module.exports = find;
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exports.find = find;
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function find (base, cb) {
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var em = new EventEmitter;
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var inodes = {};
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function finder (dir, f) {
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Seq()
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.seq(fs.readdir, dir, Seq)
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.flatten()
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.seqEach(function (file) {
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var p = dir + '/' + file;
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fs.stat(p, this.into(p));
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})
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.seq(function () {
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this(null, Object.keys(this.vars));
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})
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.flatten()
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.seqEach(function (file) {
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var stat = this.vars[file];
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if (cb) cb(file, stat);
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if (inodes[stat.ino]) {
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// already seen this inode, probably a recursive symlink
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this(null);
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}
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else {
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em.emit('path', file, stat);
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if (stat.isDirectory()) {
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em.emit('directory', file, stat);
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finder(file, this);
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}
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else {
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em.emit('file', file, stat);
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this(null);
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}
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inodes[stat.ino] = true;
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}
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})
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.seq(f.bind({}, null))
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.catch(em.emit.bind(em, 'error'))
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;
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}
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fs.stat(base, function (err, s) {
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if (err) {
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em.emit('error', err);
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}
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else if (s.isDirectory()) {
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finder(base, em.emit.bind(em, 'end'));
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}
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else {
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em.emit('file', base);
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em.emit('end');
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}
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});
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return em;
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};
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exports.findSync = function findSync (dir, cb) {
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var rootStat = fs.statSync(dir);
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if (!rootStat.isDirectory()) {
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if (cb) cb(dir, rootStat);
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return [dir];
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}
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return fs.readdirSync(dir).reduce(function (files, file) {
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var p = dir + '/' + file;
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var stat = fs.statSync(p);
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if (cb) cb(p, stat);
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files.push(p);
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if (stat.isDirectory()) {
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files.push.apply(files, findSync(p, cb));
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}
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return files;
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}, []);
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};
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exports.find.sync = exports.findSync;
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