87 lines
2.3 KiB
JavaScript
87 lines
2.3 KiB
JavaScript
(function () {
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"use strict"
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// Array.prototype.forEachAsync(next, item, i, collection)
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require('futures/forEachAsync');
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var fs = require('fs'),
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EventEmitter = require('events').EventEmitter,
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TypeEmitter = require('./node-type-emitter');
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// 2010-11-25 jorge@jorgechamorro.com
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function create(pathname, cb) {
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var emitter = new EventEmitter(),
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q = [],
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queue = [q],
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curpath;
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function walk() {
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fs.readdir(curpath, function(err, files) {
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if (err) {
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emitter.emit('error', curpath, err);
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}
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// XXX bug was here. next() was omitted
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if (!files || 0 == files.length) {
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return next();
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}
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var stats = [],
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fnodeGroups = TypeEmitter.createNodeGroups();
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// TODO could allow user to selectively stat
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// and don't stat if there are no stat listeners
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emitter.emit('names', curpath, files);
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files.forEachAsync(function (cont, file) {
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emitter.emit('name', curpath, file);
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fs.lstat(curpath + '/' + file, function (err, stat) {
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if (err) {
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emitter.emit('error', curpath, err);
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}
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if (!stat) {
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cont();
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}
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stat.name = file;
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stats.push(stat);
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//emitter.emit('stat', curpath, file, stat);
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TypeEmitter.sortFnodesByType(stat, fnodeGroups);
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TypeEmitter.emitNodeType(emitter, curpath, stat, cont);
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});
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}).then(function () {
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var dirs = []
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//emitter.emit('stats', curpath, files, stats);
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TypeEmitter.emitNodeTypeGroups(emitter, curpath, fnodeGroups, function () {
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fnodeGroups.directories.forEach(function (stat) {
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dirs.push(stat.name);
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});
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dirs.forEach(fullPath);
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queue.push(q = dirs);
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next();
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});
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});
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});
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}
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function next() {
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if (q.length) {
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curpath = q.pop();
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return walk();
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}
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if (queue.length -= 1) {
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q = queue[queue.length-1];
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return next();
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}
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emitter.emit('end');
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}
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function fullPath(v,i,o) {
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o[i]= [curpath, '/', v].join('');
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}
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curpath = pathname;
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walk();
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return emitter;
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}
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module.exports = create;
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}());
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